[Bug 205164] BPF gives EIO with sendmsg() where write > pagesize

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 23 Jun 2021 16:41:10 UTC

--- Comment #6 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:


commit f13da24715a75ce0fdac31062866877d980aa908
Author:     Florian Florensa <florian@florensa.me>
AuthorDate: 2018-02-16 09:53:22 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2021-06-23 16:39:18 +0000

    net/bpf: Fix writing of buffer bigger than PAGESIZE

    When allocating the mbuf we used m_get2 which fails
    if len is superior to MJUMPAGESIZE, if its the case,
    use m_getjcl instead.

    Reviewed by:    kp@
    PR:             205164
    Pull Request:   https://github.com/freebsd/freebsd-src/pull/131

 sys/net/bpf.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

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