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Date:      Wed, 18 May 2022 09:24:30 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 263836] ffs(4): Crash or hang in taste call to ffs_sbget() if not an FFS superblock: panic: g_read_data(): invalid length -268744963
Message-ID:  <bug-263836-3630-eWr08zkG4M@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-263836-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-263836-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D263836

--- Comment #2 from Robert Morris <rtm@lcs.mit.edu> ---
(In reply to Kirk McKusick from comment #1)
Yes -- your validate_sblock() of Apr 12 makes this problem go away.

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