On Thu, Aug 24, 2017 at 01:48:34PM +0200, Michal Hocko wrote: > On Thu 24-08-17 12:37:43, Mark Rutland wrote: > > Hi, > > > > I'm chasing intermittent memory corruption bugs seen at least on rc5, > > rc6, and yesterday's HEAD (98b9f8a4549909c6), on arm64. > > > > It looks like we make use of dangling references to a freed struct file, > > which is caught by KASAN. Without KASAN, I see a number of other > > intermittent issues that I suspect are the result of this memory > > corruption. I've included an example splat below, complete with KASAN's > > alloc/free traces at the end of this mail. > > Is it possible this is the same issue as the one fixed by > http://lkml.kernel.org/r/20170823211408.31198-1-ebiggers3@xxxxxxxxx? That sounds plausible, and so far the fix seems to help. Thanks for the pointer! I'll leave that running for a while, just in case. Thanks, Mark. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
