[Bug 228174] [dump] dump(8) can read garbage and loop forever

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat May 12 08:39:13 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228174

--- Comment #2 from Eugene Grosbein <eugen at freebsd.org> ---
(In reply to Kirk McKusick from comment #1)

Yes, this is mounted and live file system and files are created here.

Does UFS2+SU snapshot guarantee that dump won't get uninitialized indirection
blocks from the file system if snapshot creation occurs at same moment?

I still believe dump should not loop forever and should perform some sanity
checks on indirection blocks.

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