On Fri, Jun 06, 2014 at 01:43:17PM -0400, Dave Jones wrote: > Not much to go on here. It rebooted right after dumping this. > > RIP: 0010:[<ffffffff8b3287b5>] [<ffffffff8b3287b5>] copy_page_rep+0x5/0x10 > Call Trace: > [<ffffffff8b1be8db>] ? do_huge_pmd_wp_page+0x5cb/0x850 > [<ffffffff8b187010>] handle_mm_fault+0x1e0/0xc50 > [<ffffffff8b1b4662>] ? kmem_cache_free+0x1c2/0x200 > [<ffffffff8b7472d9>] __do_page_fault+0x1c9/0x630 > [<ffffffff8b010a98>] ? perf_trace_sys_enter+0x38/0x180 > [<ffffffff8b11897b>] ? __acct_update_integrals+0x8b/0x120 > [<ffffffff8b747bfb>] ? preempt_count_sub+0xab/0x100 > [<ffffffff8b74775e>] do_page_fault+0x1e/0x70 > [<ffffffff8b7441b2>] page_fault+0x22/0x30 Ok, I can reproduce this fairly easily. The only prerequisite seems to be that before I start the fuzzer I do.. echo 65536 > /proc/sys/vm/mmap_min_addr If I don't do that, then it seems to survive, so maybe that's a clue ? Dave -- 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>