On Tue, Jul 07, 2020 at 12:26:12PM -0700, Andrew Morton wrote:
On Sat, 27 Jun 2020 23:08:40 -0700 Eric Biggers ebiggers@kernel.org wrote:
From: Eric Biggers ebiggers@google.com
sb_getblk() can fail, so check its return value.
This fixes a NULL pointer dereference.
Reported-by: syzbot+4a88b2b9dc280f47baf4@syzkaller.appspotmail.com Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Originally-from: Qiujun Huang anenbupt@gmail.com
Originally-from: isn't really a thing. Did the original come with a signed-off-by:?
Yes it did. Qiujun's patch was https://lkml.kernel.org/lkml/20200323125700.7512-1-hqjagain@gmail.com But I basically started from scratch anyway and my patch ended up different, so I didn't leave the original "Author:". Feel free to adjust the patch.
- Eric