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

From: Andrew Morton
Date: Tue Jul 07 2020 - 15:26:14 EST


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:?

> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> ...
>