[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

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 21 May 2022 23:25:51 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263836

--- Comment #3 from Kirk McKusick <mckusick@FreeBSD.org> ---
(In reply to Robert Morris from comment #2)
Could you recheck with my updated patch of May 21 to ensure my relaxed checks
did not reopen the vulnerability.

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