[Bug 252608] [panic] [usb] [if_ure] Kernel fault on ure disconnect

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252608

--- Comment #11 from commit-hook at FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=6e5baec33c1032f4fbf713d601a34b4658b918a2

commit 6e5baec33c1032f4fbf713d601a34b4658b918a2
Author:     Hans Petter Selasky <hselasky at FreeBSD.org>
AuthorDate: 2021-01-12 13:13:14 +0000
Commit:     Hans Petter Selasky <hselasky at FreeBSD.org>
CommitDate: 2021-01-12 16:57:58 +0000

    Fix for use-after-free in if_ure(4) driver.

    When detaching the if_ure(4) driver, the TX active USB transfer array may
    point to freed USB transfers. Given that the number of USB transfers is
    very low, simply start all transfers every time there is a packet to
    keep safe from use-after-free.

    PR: 252608
    MFC after: 1 week
    Sponsored by: Mellanox Technologies // NVIDIA Networking

 sys/dev/usb/net/if_ure.c    | 49 ++++-----------------------------------------
 sys/dev/usb/net/if_urereg.h |  9 ---------
 2 files changed, 4 insertions(+), 54 deletions(-)

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