K 10
svn:author
V 2
kp
K 8
svn:date
V 27
2020-05-03T16:06:17.888729Z
K 7
svn:log
V 317
MFC r360344:

pf: Improve input validation

If we pass an anchor name which doesn't exist pfr_table_count() returns
-1, which leads to an overflow in mallocarray() and thus a panic.

Explicitly check that pfr_table_count() does not return an error.

Reported-by:	syzbot+bd09d55d897d63d5f4f4@syzkaller.appspotmail.com

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