On 6/9/19 4:13 PM, Coly Li wrote: > Hi Jens, > > Here are two emergent fixes that we should have in Linux v5.2-rc5. > > - bcache: fix stack corruption by PRECEDING_KEY() > This patch fixes a GCC9 compiled bcache panic problem, which is > reported by Fedora Core, Arch Linux and SUSE Leap Linux users whose > kernels are combiled with GCC9. This bug hides for long time since > v4.13 and triggered by the new GCC9. > When people upgrade their kernel to a GCC9 compiled kernel, this > bug may cause the metadata corruption. So we should have this fix > in upstream ASAP. > > - bcache: only set BCACHE_DEV_WB_RUNNING when cached device attached > There are 2 users report bcache panic after changing writeback > percentage of an non-attached bcache device. Therefore I suggest > to have this fix upstream in this run. > > Thank you in advance for taking care of these two fixes. Applied, thanks. -- Jens Axboe
