On 04/11/2014 08:50 AM, Sasha Levin wrote: > Hi all, > > While fuzzing with trinity inside a KVM tools guest running the latest -next > kernel I've stumbled on the following:
Ping? Still happening (rarely on -next): [ 5818.038245] WARNING: CPU: 4 PID: 22726 at arch/x86/mm/pat.c:781 untrack_pfn+0x65/0xb0() [ 5818.044203] Modules linked in: [ 5818.045172] CPU: 4 PID: 22726 Comm: trinity-c239 Tainted: G W 3.15.0-rc8-next-20140606-sasha-00021-ga9d3a0b-dirty #596 [ 5818.048317] 0000000000000009 ffff8800024d3be8 ffffffff9e50fe6b 0000000000000001 [ 5818.050516] 0000000000000000 ffff8800024d3c28 ffffffff9b15f96c ffff8800024d3c38 [ 5818.052567] ffff88000203f400 0000000000000000 ffff8800024d3d68 ffff8800024d3d68 [ 5818.053785] Call Trace: [ 5818.054483] dump_stack (lib/dump_stack.c:52) [ 5818.055586] warn_slowpath_common (kernel/panic.c:430) [ 5818.056763] warn_slowpath_null (kernel/panic.c:465) [ 5818.057789] untrack_pfn (arch/x86/mm/pat.c:781 (discriminator 3)) [ 5818.059412] unmap_single_vma (mm/memory.c:1327) [ 5818.061530] ? pagevec_lru_move_fn (include/linux/pagevec.h:44 mm/swap.c:435) [ 5818.063412] unmap_vmas (mm/memory.c:1377 (discriminator 1)) [ 5818.064610] unmap_region (mm/mmap.c:2363 (discriminator 3)) [ 5818.065453] ? validate_mm_rb (mm/mmap.c:404) [ 5818.066422] ? vma_rb_erase (mm/mmap.c:449 include/linux/rbtree_augmented.h:219 include/linux/rbtree_augmented.h:227 mm/mmap.c:488) [ 5818.067316] do_munmap (mm/mmap.c:3359 mm/mmap.c:2561) [ 5818.068126] move_vma (mm/mremap.c:313) [ 5818.069000] SyS_mremap (mm/mremap.c:446 mm/mremap.c:508 mm/mremap.c:477) [ 5818.069839] tracesys (arch/x86/kernel/entry_64.S:542) Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
