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cgroup-info: check if user.slice is valid before accessing value 

Prevent hitting `panic: runtime error: index out of range [1] with length 1`
while performing `podman info` when unexpected values for user.slice is found.

[NO TESTS NEEDED]

Signed-off-by: Aditya Rajan <arajan@redhat.com>
This commit is contained in:
Aditya Rajan 2021-09-07 00:59:18 +05:30
parent 68481539a4
commit bd64039278
1 changed files with 4 additions and 1 deletions
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3
pkg/cgroups/cgroups.go
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@ -231,8 +231,11 @@ func getCgroupPathForCurrentProcess() (string, error) {
for s.Scan() { for s.Scan() {
text := s.Text() text := s.Text()
procEntries := strings.SplitN(text, "::", 2) procEntries := strings.SplitN(text, "::", 2)
// set process cgroupPath only if entry is valid
if len(procEntries) > 1 {
cgroupPath = procEntries[1] cgroupPath = procEntries[1]
} }
}
if err := s.Err(); err != nil { if err := s.Err(); err != nil {
return cgroupPath, err return cgroupPath, err
} }