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Shutemov" , Ross Zwisler , Christoph Hellwig , linux-fsdevel , Linux NVDIMM , LKML , Linux Memory Management List , Xiongchun duan , Muchun Song Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 31, 2022 at 11:55 PM Qian Cai wrote: > > On Fri, Mar 18, 2022 at 03:45:23PM +0800, Muchun Song wrote: > > This series is based on next-20220225. > > > > Patch 1-2 fix a cache flush bug, because subsequent patches depend on > > those on those changes, there are placed in this series. Patch 3-4 > > are preparation for fixing a dax bug in patch 5. Patch 6 is code clean= up > > since the previous patch remove the usage of follow_invalidate_pte(). > > Reverting this series fixed boot crashes. > > KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] > Mem abort info: > ESR =3D 0x96000004 > EC =3D 0x25: DABT (current EL), IL =3D 32 bits > SET =3D 0, FnV =3D 0 > EA =3D 0, S1PTW =3D 0 > FSC =3D 0x04: level 0 translation fault > Data abort info: > ISV =3D 0, ISS =3D 0x00000004 > CM =3D 0, WnR =3D 0 > [dfff800000000003] address between user and kernel address ranges > Internal error: Oops: 96000004 [#1] PREEMPT SMP > Modules linked in: cdc_ether usbnet ipmi_devintf ipmi_msghandler cppc_cp= ufreq fuse ip_tables x_tables ipv6 btrfs blake2b_generic libcrc32c xor xor_= neon raid6_pq zstd_compress dm_mod nouveau crct10dif_ce drm_ttm_helper mlx5= _core ttm drm_dp_helper drm_kms_helper nvme mpt3sas nvme_core xhci_pci raid= _class drm xhci_pci_renesas > CPU: 3 PID: 1707 Comm: systemd-udevd Not tainted 5.17.0-next-20220331-00= 004-g2d550916a6b9 #51 > pstate: 104000c9 (nzcV daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=3D--) > pc : __lock_acquire > lr : lock_acquire.part.0 > sp : ffff800030a16fd0 > x29: ffff800030a16fd0 x28: ffffdd876c4e9f90 x27: 0000000000000018 > x26: 0000000000000000 x25: 0000000000000018 x24: 0000000000000000 > x23: ffff08022beacf00 x22: ffffdd8772507660 x21: 0000000000000000 > x20: 0000000000000000 x19: 0000000000000000 x18: ffffdd8772417d2c > x17: ffffdd876c5bc2e0 x16: 1fffe100457d5b06 x15: 0000000000000094 > x14: 000000000000f1f1 x13: 00000000f3f3f3f3 x12: ffff08022beacf08 > x11: 1ffffbb0ee482fa5 x10: ffffdd8772417d28 x9 : 0000000000000000 > x8 : 0000000000000003 x7 : ffffdd876c4e9f90 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000003 x0 : dfff800000000000 > Call trace: > __lock_acquire > lock_acquire.part.0 > lock_acquire > _raw_spin_lock > page_vma_mapped_walk > try_to_migrate_one > rmap_walk_anon > try_to_migrate > __unmap_and_move > unmap_and_move > migrate_pages > migrate_misplaced_page > do_huge_pmd_numa_page > __handle_mm_fault > handle_mm_fault > do_translation_fault > do_mem_abort > el0_da > el0t_64_sync_handler > el0t_64_sync > Code: d65f03c0 d343ff61 d2d00000 f2fbffe0 (38e06820) > ---[ end trace 0000000000000000 ]--- > Kernel panic - not syncing: Oops: Fatal exception > SMP: stopping secondary CPUs > Kernel Offset: 0x5d8763da0000 from 0xffff800008000000 > PHYS_OFFSET: 0x80000000 > CPU features: 0x000,00085c0d,19801c82 > Memory Limit: none > ---[ end Kernel panic - not syncing: Oops: Fatal exception ]--- Thanks for your report. Would you mind providing the .config?