Messages in this thread | | | Date | Wed, 29 Jul 2020 05:46:02 -0400 | From | Peilin Ye <> | Subject | Re: [Linux-kernel-mentees] [PATCH] block/floppy: Prevent kernel-infoleak in raw_cmd_copyout() |
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On Wed, Jul 29, 2020 at 12:18:42PM +0300, Denis Efremov wrote: > > > On 7/28/20 5:19 PM, Peilin Ye wrote: > > raw_cmd_copyout() is potentially copying uninitialized kernel stack memory > > since it is initializing `cmd` by assignment, which may cause the compiler > > to leave uninitialized holes in this structure. Fix it by using memcpy() > > instead. > > > > Cc: stable@vger.kernel.org > > Fixes: 2145e15e0557 ("floppy: don't write kernel-only members to FDRAWCMD ioctl output") > > Nitpick, I would say this fix is not related to commit 2145e15e0557.
I see, I will send a v2 soon. Thank you for reviewing the patch!
Peilin Ye
> > Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> > > Suggested-by: Arnd Bergmann <arnd@arndb.de> > > Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
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