[Bug 244384] UFS fuzz metabug

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 19 Jun 2021 11:54:38 +0000

--- Comment #1 from Graham Perrin <grahamperrin_at_gmail.com> ---
>From <https://pastebin.com/ErBDidYG> (2021-03-27): 

Panic String: ufs_dirbad: /media/da1p1: bad dir ino 2 at offset 0: mangled

Unlike the mangling in bug 244352 (proof of concept involving a malicious UFS
filesystem image), my case involved no malice. 

If you'd like proper background – something more eloquent than what I threw in
the bin – I can spin it into a new linked bug report although honestly, I never
thought to treat it as a bug. (In a nutshell: wreckage probably originated with
an untimely automount – before completion of an initial write of the file
system to its partition.)

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Received on Sat Jun 19 2021 - 11:54:38 UTC

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