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| author | Jerome Brunet <jbrunet@baylibre.com> | 2021-08-27 11:29:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-27 16:07:23 +0200 |
| commit | 068fdad20454f815e61e6f6eb9f051a8b3120e88 (patch) | |
| tree | 9e07c5e1a09336d63c963575fba7863469635139 /ipc | |
| parent | 75432ba583a8a374b8d1ad2d3ba559a78f7454fc (diff) | |
| download | linux-068fdad20454f815e61e6f6eb9f051a8b3120e88.tar.bz2 | |
usb: gadget: u_audio: fix race condition on endpoint stop
If the endpoint completion callback is call right after the ep_enabled flag
is cleared and before usb_ep_dequeue() is call, we could do a double free
on the request and the associated buffer.
Fix this by clearing ep_enabled after all the endpoint requests have been
dequeued.
Fixes: 7de8681be2cd ("usb: gadget: u_audio: Free requests only after callback")
Cc: stable <stable@vger.kernel.org>
Reported-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20210827092927.366482-1-jbrunet@baylibre.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'ipc')
0 files changed, 0 insertions, 0 deletions