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From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050513 Galeon/1.3.21 Description of problem: Kernel crash with an autofs direct mount to localhost to the same directory. Version-Release number of selected component (if applicable): kernel-2.6.11-1.27_FC3 (i686 UP), autofs-4.1.3-114 How reproducible: Always Steps to Reproduce: 1. Enable autofs with direct mounts 2. Create a directory, e.g. /test/crash/ 3. Put following into /etc/auto.direct /test/crash localhost:/test/crash 4. Start/reload autofs 5. Access the directory, e.g. ls /test/crash/ Actual Results: Kernel crashed. With different outputs (continuous messages, recursive BUG(), snow crash). Expected Results: No crash. Additional info:
Don't do that. As it happens, this issue was being worked upstream. I'll check on the status, but as root you can shoot yourself in the foot so many ways, this just doesn't warrant any real attention.