Re: [PATCH 1/6] fs/minix: check return value of sb_getblk()

[Eric Biggers]

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@xxxxxxxxxx> wrote:
> 
> > From: Eric Biggers <ebiggers@xxxxxxxxxx>
> > 
> > sb_getblk() can fail, so check its return value.
> > 
> > This fixes a NULL pointer dereference.
> > 
> > Reported-by: syzbot+4a88b2b9dc280f47baf4@xxxxxxxxxxxxxxxxxxxxxxxxx
> > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> > Cc: stable@xxxxxxxxxxxxxxx
> > Originally-from: Qiujun Huang <anenbupt@xxxxxxxxx>
> 
> 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@xxxxxxxxx
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