[Bug 263971] ffs: malicious superblock can cause buffer overflow during tasting: panic: vm_fault_lookup: fault on nofault entry, addr: 0xffffffc07cb67000

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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 16 May 2022 21:29:06 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263971

--- Comment #2 from Robert Morris <rtm@lcs.mit.edu> ---
Created attachment 233973
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=233973&action=edit
disk image that causes size calculation in ffs_sbget() to wrap around

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