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    SubjectRe: [PATCH 3.19 091/123] gadgetfs: use-after-free in ->aio_read()
    On Tue, Mar 24, 2015 at 07:06:56PM +0100, Alexander Holler wrote:
    > Am 24.03.2015 um 18:58 schrieb Greg Kroah-Hartman:
    > >On Tue, Mar 24, 2015 at 06:30:17PM +0100, Alexander Holler wrote:
    > >>Am 24.03.2015 um 16:46 schrieb Greg Kroah-Hartman:
    > >>>3.19-stable review patch. If anyone has any objections, please let me know.
    > >>>
    > >>>------------------
    > >>>
    > >>>From: Al Viro <viro@zeniv.linux.org.uk>
    > >>>
    > >>>commit f01d35a15fa04162a58b95970fc01fa70ec9dacd upstream.
    > >>
    > >>Just what I've thought. Please see
    > >>
    > >>https://lkml.org/lkml/2015/3/15/5
    > >
    > >I have no idea what you are asking me to do here, please be specific.
    >
    > In order to not become blamed for mangling some language, here's a machine
    > generated output:
    >
    > ------
    > wandq linux # git co -b t v3.19.2
    > Switched to a new branch 't'
    > wandq linux # git am /tmp/\[PATCH\ 3.19\ 091_123\]\ gadgetfs\:\
    > use-after-free\ in\ -\>aio_read\(\).eml
    > Applying: gadgetfs: use-after-free in ->aio_read()
    > wandq linux # make drivers/usb/gadget/legacy/gadgetfs.ko
    > (...)
    > CALL scripts/checksyscalls.sh
    > CC [M] drivers/usb/gadget/legacy/inode.o
    > drivers/usb/gadget/legacy/inode.c: In function 'ep_aio_rwtail':
    > drivers/usb/gadget/legacy/inode.c:642:12: warning: 'value' may be used
    > uninitialized in this function [-Wmaybe-uninitialized]
    > ssize_t value;
    > ^
    > LD [M] drivers/usb/gadget/legacy/gadgetfs.o
    > (...)
    > ------

    Is there a specific patch that is in Linus's tree that fixes this issue
    that I should be applying to the stable tree?

    thanks,

    greg k-h


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