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Alan Cox 1a0ab78ea8 As reported by Al Viro:
take Midnight Commander. Go to directory that contains some
files. Press <+><CR><+><+><CR><CR><+><+><CR> (<+> being the grey one).

IOW, the first invalid regexp and we are toast - old_pattern is freed and
not reset to NULL. Next call of regexp_match() and we've got a double-free.
What's really pissing off is that caller takes care to tell you that
regexp is invalid. In large red window. I.e. they had added error reporting
and had _never_ given it a try, not to mention giving code a review. Sigh...
2000-12-18 16:42:20 +00:00
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