[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: Wed, 18 May 2022 09:24:30 UTC

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

--- 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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