Re:I interviewed Brian J. Fox, the creator of Bash
by count on Thursday September 02, 2021 @05:42PM
(#28397739)
Formally verified programs often still have bugs.
AWS S2N, for example, currently has hundreds of open issues and identified bugs, despite being the subject of a continuous formal verification program.
Bash powers probably hundreds of billions of dollars worth of critical infrastructure...
Re:I interviewed Brian J. Fox, the creator of Bash
by pabs3 on Friday September 03, 2021 @12:17AM
(#28400366)
There are attempts at formal analysis of shell scripts, for eg:
Re:I interviewed Brian J. Fox, the creator of Bash
by nexuist on Friday September 03, 2021 @12:35PM
(#28406391)
My point being that whatever other software runs on this thing is far more likely to contain hidden bugs than bash has given its age and widespread distribution. It seems weird to single out bash as opposed to the hundreds of other random packages on any given distro.
That is not a statement about a formally verifiable program that I would base a billion-dollar program on.