| Date | Tue, 29 Oct 2019 05:04:35 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH AUTOSEL 4.19 095/100] USB: usb-skeleton: fix use-after-free after driver unbind |
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On Fri, Oct 18, 2019 at 06:22:05PM -0400, Greg Kroah-Hartman wrote: >On Fri, Oct 18, 2019 at 06:05:20PM -0400, Sasha Levin wrote: >> From: Johan Hovold <johan@kernel.org> >> >> [ Upstream commit 6353001852776e7eeaab4da78922d4c6f2b076af ] >> >> The driver failed to stop its read URB on disconnect, something which >> could lead to a use-after-free in the completion handler after driver >> unbind in case the character device has been closed. >> >> Fixes: e7389cc9a7ff ("USB: skel_read really sucks royally") >> Signed-off-by: Johan Hovold <johan@kernel.org> >> Link: https://lore.kernel.org/r/20191009170944.30057-3-johan@kernel.org >> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> >> Signed-off-by: Sasha Levin <sashal@kernel.org> >> --- >> drivers/usb/usb-skeleton.c | 1 + >> 1 file changed, 1 insertion(+) > >This file does not even get built in the kernel tree, no need to >backport anything for it :)
I'll drop it, but you're taking patches for this driver: https://lore.kernel.org/patchwork/patch/1140673/ .
-- Thanks, Sasha
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