Messages in this thread | | | Subject | Re: [PATCH] tty: fix memory leak in vc_deallocate | From | Pavel Skripkin <> | Date | Sun, 28 Mar 2021 11:49:40 +0300 |
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Hi! On Sun, 2021-03-28 at 10:45 +0200, Greg KH wrote: > On Sun, Mar 28, 2021 at 12:44:43AM +0300, Pavel Skripkin wrote: > > syzbot reported memory leak in tty/vt. > > The problem was in VT_DISALLOCATE ioctl cmd. > > After allocating unimap with PIO_UNIMAP it wasn't > > freed via VT_DISALLOCATE, but vc_cons[currcons].d was > > zeroed. > > > > Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> > > Reported-by: syzbot+bcc922b19ccc64240b42@syzkaller.appspotmail.com > > --- > > drivers/tty/vt/vt.c | 1 + > > 1 file changed, 1 insertion(+) > > Is this patch tested by syzbot to fix the problem? > Yeah, it's tested. https://syzkaller.appspot.com/bug?id=083cb8bd8468537151a57339ae72d505bb5bded0 > thanks, > > greg k-h
-- With regards, Pavel Skripkin
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