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mount: fix crash in mountpoint validation (#21879)

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This commit is contained in:
Michael Eischer
2026-06-14 13:55:26 +02:00
committed by GitHub
parent ce9b6ceea1
commit ae96b2a0f8
2 changed files with 9 additions and 0 deletions
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changelog/unreleased/pull-21879
+7
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@@ -0,0 +1,7 @@
Bugfix: prevent crash in mountpoint validation if mountpoint is inaccessible
Since restic 0.19.0, the `mount` command validates a mountpoint before loading
the repository. If restic was unable to stat the mountpoint, this would result
in a crash. This has been fixed to correctly return an error instead.
https://github.com/restic/restic/pull/21879
cmd/restic/cmd_mount.go
+2
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@@ -227,6 +227,8 @@ func validateMountpoint(mountpoint string, gopts global.Options) error {
stat, err := os.Stat(mountpoint)
if errors.Is(err, os.ErrNotExist) {
return errors.Fatal(fmt.Sprintf("mountpoint %s does not exist", mountpoint))
} else if err != nil {
return errors.Fatal(fmt.Sprintf("mountpoint %s is inaccessible: %v", mountpoint, err))
} else if !stat.IsDir() {
return errors.Fatal(fmt.Sprintf("mountpoint %s is not a directory", mountpoint))
}