projects / platform / kernel / linux-starfive.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 153a2d7) | patch
USB: gadget: zero allocate endpoint 0 buffers
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Dec 2021 18:02:15 +0000 (19:02 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 12 Dec 2021 12:05:10 +0000 (13:05 +0100)
commit86ebbc11bb3f60908a51f3e41a17e3f477c2eaa3
tree8c69a2eed0fa542c57511c5dbde14dc8f7b1f091tree | snapshot
parent153a2d7e3350cc89d406ba2d35be8793a64c2038commit | diff
USB: gadget: zero allocate endpoint 0 buffers

Under some conditions, USB gadget devices can show allocated buffer
contents to a host.  Fix this up by zero-allocating them so that any
extra data will all just be zeros.

Reported-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Tested-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/composite.c diff | blob | history
drivers/usb/gadget/legacy/dbgp.c diff | blob | history
Domain: System / Kernel;