https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282168
--- Comment #11 from [email protected] ---
A commit in branch main references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=f4e35c044c8988b7452cefbdcc417f5fd723e021
commit f4e35c044c8988b7452cefbdcc417f5fd723e021
Author: Mark Johnston <[email protected]>
AuthorDate: 2024-10-19 13:03:56 +0000
Commit: Mark Johnston <[email protected]>
CommitDate: 2024-10-19 13:03:56 +0000
bus: Set the current VNET in device_attach()
Some drivers, in particular anything which creates an ifnet during
attach, need to have the current VNET set, as if_attach_internal() and
its callees access VNET-global variables.
device_probe_and_attach() handles this, but this is not the only way to
arrive in DEVICE_ATTACH. In particular, bus drivers may invoke
device_attach() directly, as does devctl2's DEV_ENABLE ioctl handler.
So, set the current VNET in device_attach() instead.
I believe it is always safe to use vnet0, as devctl2 ioctls are not
permitted within a jail.
PR: 282168
Reviewed by: zlei, kevans, bz, imp, glebius
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D47174
sys/kern/subr_bus.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
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