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[1.4] libct: newProcessComm: close fds on error

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Reported in issue 5008.

Reported-by: Arina Cherednik <arinacherednik034@gmail.com>
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
(cherry picked from commit c24965b742)
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
This commit is contained in:
Kir Kolyshkin
2025-11-12 13:28:57 -08:00
committed by Aleksa Sarai
parent ffc6092b8d
commit 0af85cbca8
1 changed files with 15 additions and 1 deletions
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libcontainer/process_linux.go
+15 -1
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@@ -70,7 +70,7 @@ type processComm struct {
logPipeChild *os.File
}
func newProcessComm() (*processComm, error) {
func newProcessComm() (_ *processComm, retErr error) {
var (
comm processComm
err error
@@ -79,10 +79,24 @@ func newProcessComm() (*processComm, error) {
if err != nil {
return nil, fmt.Errorf("unable to create init pipe: %w", err)
}
defer func() {
if retErr != nil {
comm.initSockParent.Close()
comm.initSockChild.Close()
}
}()
comm.syncSockParent, comm.syncSockChild, err = newSyncSockpair("sync")
if err != nil {
return nil, fmt.Errorf("unable to create sync pipe: %w", err)
}
defer func() {
if retErr != nil {
comm.syncSockParent.Close()
comm.syncSockChild.Close()
}
}()
comm.logPipeParent, comm.logPipeChild, err = os.Pipe()
if err != nil {
return nil, fmt.Errorf("unable to create log pipe: %w", err)