On Mon, Jun 25, 2018 at 05:04:42PM -0400, Zubin Mithra wrote:
> Hello,
>
> Syzkaller has reported a crash here[1] for a UAF in disk_unblock_events.
>
> Could the following patches be applied in order to 4.14?
>
> 517bf3c30("block: don't look at the struct device dev_t in disk_devt")
> 8ddcd653("block: introduce GENHD_FL_HIDDEN")
> f0fba398fe("block: avoid null pointer dereference on null disk")
> d52987b5("genhd: Fix leaked module reference for NVME devices")
> 9df6c2991("genhd: Add helper put_disk_and_module()")
> 89736653("genhd: Fix use after free in __blkdev_get()")
You do know about:
git show -s --abbrev-commit --abbrev=12 --pretty=format:"%h (\"%s\")%n"
right? That makes this a lot more uniform...
Anyway, can you resend this request and cc: the developers and
maintainers of the above patches, so I can get their approval to
backport such things?
thanks,
greg k-h
