Re: need a tutorial on setuid
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On Sat, May 06, 2017 at 10:40:59PM -0500, Michael Milliman wrote:
> I can't see how dd could have been the culprit [...]
Definitely. The file system's inner structure isn't known to dd. One
possibility is that the subsequent mount is suppressing the suid bit
(a security feature: imagine I give you an USB stick with a suid
binary which you invoke without noticing...).
Check mount's suid option.
- -- tomás
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