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authorGiuseppe Scrivano <gscrivan@redhat.com>2020-02-17 19:11:39 +0100
committerGiuseppe Scrivano <gscrivan@redhat.com>2020-02-17 19:11:41 +0100
commite9dc2120925d9bc32b87ed3c4122aa40f7413db5 (patch)
tree9d7bf05f756da6e0cebd0f2c2712953c2f6b98fe /pkg/rootless/rootless_linux.go
parentff0f8388138f7b66c4312db0e984f0bedcac2558 (diff)
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rootless: check if the conmon process is valid
if the pause process doesn't exist and we try to join a conmon namespace, make sure the process still exists. Otherwise re-create the user namespace. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'pkg/rootless/rootless_linux.go')
-rw-r--r--pkg/rootless/rootless_linux.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/pkg/rootless/rootless_linux.go b/pkg/rootless/rootless_linux.go
index 182a39f6b..f71d55776 100644
--- a/pkg/rootless/rootless_linux.go
+++ b/pkg/rootless/rootless_linux.go
@@ -452,6 +452,7 @@ func TryJoinFromFilePaths(pausePidPath string, needNewNamespace bool, paths []st
var lastErr error
var pausePid int
+ foundProcess := false
for _, path := range paths {
if !needNewNamespace {
@@ -502,12 +503,16 @@ func TryJoinFromFilePaths(pausePidPath string, needNewNamespace bool, paths []st
}
pausePid, err = strconv.Atoi(string(b[:n]))
- if err == nil {
+ if err == nil && unix.Kill(pausePid, 0) == nil {
+ foundProcess = true
lastErr = nil
break
}
}
}
+ if !foundProcess {
+ return BecomeRootInUserNS(pausePidPath)
+ }
if lastErr != nil {
return false, 0, lastErr
}