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Fix infinite loop in isPathOnVolume

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filepath.Dir in some cases returns `.` symbol and calling this function
again returns same result. In such cases this function
never returns and causes some operations to stuck forever.

Closes #10216

Signed-off-by: Slava Bacherikov <slava@bacher09.org>
This commit is contained in:
Slava Bacherikov
2021-05-06 00:43:02 +03:00
parent ed6f399770
commit d6fd528900
2 changed files with 12 additions and 1 deletions
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2
libpod/container_path_resolution.go
View File

@ -128,7 +128,7 @@ func isPathOnVolume(c *Container, containerPath string) bool {
if cleanedContainerPath == filepath.Clean(vol.Dest) {
return true
}
for dest := vol.Dest; dest != "/"; dest = filepath.Dir(dest) {
for dest := vol.Dest; dest != "/" && dest != "."; dest = filepath.Dir(dest) {
if cleanedContainerPath == dest {
return true
}

11
test/e2e/run_test.go
View File

@ -921,6 +921,17 @@ USER mail`, BB)
Expect(session.OutputToString()).To(ContainSubstring("mail root"))
})
It("podman run with incorect VOLUME", func() {
dockerfile := fmt.Sprintf(`FROM %s
VOLUME ['/etc/foo']
WORKDIR /etc/foo`, BB)
podmanTest.BuildImage(dockerfile, "test", "false")
session := podmanTest.Podman([]string{"run", "--rm", "test", "echo", "test"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("test"))
})
It("podman run --volumes-from flag", func() {
vol := filepath.Join(podmanTest.TempDir, "vol-test")
err := os.MkdirAll(vol, 0755)