[Bug 241462] netgraph/ng_tag: Variable length data can not be set for all length

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241462

--- Comment #2 from commit-hook at FreeBSD.org ---
A commit in branch stable/12 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=305b3ca5f40cbfff1e29f7e2e10a636331a8575c

commit 305b3ca5f40cbfff1e29f7e2e10a636331a8575c
Author:     Lutz Donnerhacke <lutz at donnerhacke.de>
AuthorDate: 2021-01-02 13:58:17 +0000
Commit:     Lutz Donnerhacke <donner at FreeBSD.org>
CommitDate: 2021-02-01 13:55:42 +0000

    netgraph/ng_tag: permit variable length data

    ng_tag(4) operate on arbitrary data of mbuf_tags(9).  Those structures
    are padded to the next multiple of the alignment by the compiler.
    Hence a valid argument has be at most as long as the data received.

    PR:             241462
    Reviewed by:    kp
    Approved by:    philip (mentor)
    Differential Revision: https://reviews.freebsd.org/D22140

    (cherry picked from commit 7c7c231c14246a709270bf3f3a4593208e84d01a)

 sys/netgraph/ng_tag.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

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