My aarch64 system just popped this on a krb5i mount.. I will investigate, but maybe looks familiar: [ 3195.745724] Unable to handle kernel paging request at virtual address 0062617472747336 [ 3195.746486] Mem abort info: [ 3195.746839] ESR = 0x0000000096000004 [ 3195.747142] EC = 0x25: DABT (current EL), IL = 32 bits [ 3195.747438] SET = 0, FnV = 0 [ 3195.747723] EA = 0, S1PTW = 0 [ 3195.748005] FSC = 0x04: level 0 translation fault [ 3195.748280] Data abort info: [ 3195.748544] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 3195.748803] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 3195.749094] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 3195.749349] [0062617472747336] address between user and kernel address ranges [ 3195.749631] Internal error: Oops: 0000000096000004 [#1] SMP [ 3195.749927] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs netfs nfsd nfs_acl lockd auth_rpcgss grace iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set rfkill nf_tables nfnetlink qrtr vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock sunrpc binfmt_misc pktcdvd snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec uvcvideo snd_hda_core vfat fat uvc snd_hwdep videobuf2_vmalloc videobuf2_memops snd_seq videobuf2_v4l2 snd_seq_device videobuf2_common snd_pcm videodev snd_timer snd mc soundcore joydev vmw_vmci loop zram xfs crct10dif_ce polyval_ce polyval_generic vmwgfx ghash_ce nvme sha3_ce e1000e sha512_ce nvme_core sha512_arm64 drm_ttm_helper ttm uhci_hcd scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse [ 3195.752102] CPU: 5 PID: 6371 Comm: nfsd Not tainted 6.10.0-rc2.nks #215 [ 3195.752386] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.21805430.BA64.2305221830 05/22/2023 [ 3195.752660] pstate: 01400005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 3195.752934] pc : gss_free_in_token_pages+0x40/0x110 [auth_rpcgss] [ 3195.753215] lr : gss_free_in_token_pages+0xec/0x110 [auth_rpcgss] [ 3195.753487] sp : ffff800084c9bb30 [ 3195.753752] x29: ffff800084c9bb30 x28: 0000000000000000 x27: ffff000000000000 [ 3195.754022] x26: 0000020040000000 x25: 0000000000000000 x24: 000000000000027b [ 3195.754291] x23: 00000000ffffffff x22: 0000000000000001 x21: ffff800084c9bc10 [ 3195.754558] x20: 0000000000000001 x19: 006261747274732e x18: 0000000000000014 [ 3195.754827] x17: 00000000ba82f6ae x16: 00000000cb3b9d01 x15: 0000000000000520 [ 3195.755088] x14: 0000000000000020 x13: bdd23caaaa61bb15 x12: 2c0e8cd50bdcd419 [ 3195.755342] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800080391438 [ 3195.755593] x8 : ffff000093e73e20 x7 : 0000000000000000 x6 : 00000000000007e0 [ 3195.755836] x5 : 0000000000000000 x4 : 000000000000041a x3 : 00000000000048b7 [ 3195.756074] x2 : 0000000000000001 x1 : ffff0001f0204880 x0 : ffff000080aa4d78 [ 3195.756307] Call trace: [ 3195.756539] gss_free_in_token_pages+0x40/0x110 [auth_rpcgss] [ 3195.756796] svcauth_gss_proxy_init+0x268/0x3b8 [auth_rpcgss] [ 3195.757042] svcauth_gss_proc_init+0x9c/0x130 [auth_rpcgss] [ 3195.757289] svcauth_gss_accept+0x318/0x5f0 [auth_rpcgss] [ 3195.757537] svc_authenticate+0x98/0xc8 [sunrpc] [ 3195.757911] svc_process_common+0x210/0x728 [sunrpc] [ 3195.758183] svc_process+0xf4/0x178 [sunrpc] [ 3195.758450] svc_recv+0x938/0xc10 [sunrpc] [ 3195.758716] nfsd+0xc8/0x1e8 [nfsd] [ 3195.758985] kthread+0x104/0x118 [ 3195.759285] ret_from_fork+0x10/0x20 [ 3195.759549] Code: 52800036 f9001bf7 12800017 d503201f (f9400661) [ 3195.759863] ---[ end trace 0000000000000000 ]--- [ 3220.798506] Unable to handle kernel paging request at virtual address 24df231366cfb5d9 [ 3220.799296] Mem abort info: [ 3220.799734] ESR = 0x0000000096000004 [ 3220.800155] EC = 0x25: DABT (current EL), IL = 32 bits [ 3220.800577] SET = 0, FnV = 0 [ 3220.800993] EA = 0, S1PTW = 0 [ 3220.801406] FSC = 0x04: level 0 translation fault [ 3220.801788] Data abort info: [ 3220.802139] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 3220.802492] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 3220.802843] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 3220.803192] [24df231366cfb5d9] address between user and kernel address ranges [ 3220.803549] Internal error: Oops: 0000000096000004 [#2] SMP [ 3220.803894] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs netfs nfsd nfs_acl lockd auth_rpcgss grace iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set rfkill nf_tables nfnetlink qrtr vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock sunrpc binfmt_misc pktcdvd snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec uvcvideo snd_hda_core vfat fat uvc snd_hwdep videobuf2_vmalloc videobuf2_memops snd_seq videobuf2_v4l2 snd_seq_device videobuf2_common snd_pcm videodev snd_timer snd mc soundcore joydev vmw_vmci loop zram xfs crct10dif_ce polyval_ce polyval_generic vmwgfx ghash_ce nvme sha3_ce e1000e sha512_ce nvme_core sha512_arm64 drm_ttm_helper ttm uhci_hcd scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse [ 3220.806468] CPU: 0 PID: 6369 Comm: nfsd Tainted: G D 6.10.0-rc2.nks #215 [ 3220.806826] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.21805430.BA64.2305221830 05/22/2023 [ 3220.807183] pstate: 81400005 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 3220.807538] pc : gss_free_in_token_pages+0x40/0x110 [auth_rpcgss] [ 3220.807921] lr : gss_free_in_token_pages+0xec/0x110 [auth_rpcgss] [ 3220.808281] sp : ffff800084c13b30 [ 3220.808640] x29: ffff800084c13b30 x28: 0000000000000000 x27: ffff000000000000 [ 3220.809290] x26: 0000020040000000 x25: 0000000000000000 x24: 000000000000027b [ 3220.809648] x23: 00000000ffffffff x22: 0000000000000001 x21: ffff800084c13c10 [ 3220.809985] x20: 0000000000000001 x19: 24df231366cfb5d1 x18: 00000000146f10b2 [ 3220.810303] x17: 00000000e1f53a5a x16: 00000000a3bc5bc2 x15: 0000000000000fa0 [ 3220.810621] x14: 0000000000000020 x13: a5cb3f9d346e026c x12: 8fc07574bcd5681c [ 3220.810935] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800080391438 [ 3220.811252] x8 : ffff0000844d3ee0 x7 : 0000000000000000 x6 : 00000000000007e0 [ 3220.811572] x5 : 0000000000000000 x4 : 000000000000041a x3 : 00000000000048b7 [ 3220.811887] x2 : 0000000000000001 x1 : ffff000083930000 x0 : ffff000082c71f68 [ 3220.812201] Call trace: [ 3220.812511] gss_free_in_token_pages+0x40/0x110 [auth_rpcgss] [ 3220.812841] svcauth_gss_proxy_init+0x268/0x3b8 [auth_rpcgss] [ 3220.813161] svcauth_gss_proc_init+0x9c/0x130 [auth_rpcgss] [ 3220.813477] svcauth_gss_accept+0x318/0x5f0 [auth_rpcgss] [ 3220.813793] svc_authenticate+0x98/0xc8 [sunrpc] [ 3220.814152] svc_process_common+0x210/0x728 [sunrpc] [ 3220.814497] svc_process+0xf4/0x178 [sunrpc] [ 3220.814841] svc_recv+0x938/0xc10 [sunrpc] [ 3220.815186] nfsd+0xc8/0x1e8 [nfsd] [ 3220.815534] kthread+0x104/0x118 [ 3220.815856] ret_from_fork+0x10/0x20 [ 3220.816170] Code: 52800036 f9001bf7 12800017 d503201f (f9400661) [ 3220.816482] ---[ end trace 0000000000000000 ]--- [ 3245.824129] Unable to handle kernel paging request at virtual address 00003234323a3039 [ 3245.824892] Mem abort info: [ 3245.825181] ESR = 0x0000000096000004 [ 3245.825426] EC = 0x25: DABT (current EL), IL = 32 bits [ 3245.825661] SET = 0, FnV = 0 [ 3245.825891] EA = 0, S1PTW = 0 [ 3245.826124] FSC = 0x04: level 0 translation fault [ 3245.826352] Data abort info: [ 3245.826589] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 3245.826837] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 3245.827079] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 3245.827319] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000104e42000 [ 3245.827559] [00003234323a3039] pgd=0000000000000000, p4d=0000000000000000 [ 3245.827820] Internal error: Oops: 0000000096000004 [#3] SMP [ 3245.828047] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs netfs nfsd nfs_acl lockd auth_rpcgss grace iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set rfkill nf_tables nfnetlink qrtr vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock sunrpc binfmt_misc pktcdvd snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec uvcvideo snd_hda_core vfat fat uvc snd_hwdep videobuf2_vmalloc videobuf2_memops snd_seq videobuf2_v4l2 snd_seq_device videobuf2_common snd_pcm videodev snd_timer snd mc soundcore joydev vmw_vmci loop zram xfs crct10dif_ce polyval_ce polyval_generic vmwgfx ghash_ce nvme sha3_ce e1000e sha512_ce nvme_core sha512_arm64 drm_ttm_helper ttm uhci_hcd scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse [ 3245.829755] CPU: 5 PID: 6370 Comm: nfsd Tainted: G D 6.10.0-rc2.nks #215 [ 3245.829992] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.21805430.BA64.2305221830 05/22/2023 [ 3245.830232] pstate: 81400005 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 3245.830491] pc : gss_free_in_token_pages+0x40/0x110 [auth_rpcgss] [ 3245.830774] lr : gss_free_in_token_pages+0xec/0x110 [auth_rpcgss] [ 3245.831047] sp : ffff800084c3bb30 [ 3245.831313] x29: ffff800084c3bb30 x28: 0000000000000000 x27: ffff000000000000 [ 3245.831585] x26: 0000020040000000 x25: 0000000000000000 x24: 000000000000027b [ 3245.831854] x23: 00000000ffffffff x22: 0000000000000001 x21: ffff800084c3bc10 [ 3245.832123] x20: 0000000000000002 x19: ec003234323a3031 x18: 0000000035a65de1 [ 3245.832390] x17: 0000000003270d8c x16: 0000000076f9e432 x15: 00000000000003b0 [ 3245.832658] x14: 0000000000000020 x13: 62a87bd2714c8702 x12: ced9443cee68f00d [ 3245.832926] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800080391438 [ 3245.833196] x8 : ffff000093e73ee0 x7 : 0000000000000000 x6 : 00000000000007e0 [ 3245.833465] x5 : 0000000000000000 x4 : 000000000000041a x3 : 00000000000048b7 [ 3245.833731] x2 : 0000000000000001 x1 : ffff0001f0200000 x0 : ffff000080aa42a8 [ 3245.834001] Call trace: [ 3245.834280] gss_free_in_token_pages+0x40/0x110 [auth_rpcgss] [ 3245.834584] svcauth_gss_proxy_init+0x268/0x3b8 [auth_rpcgss] [ 3245.834906] svcauth_gss_proc_init+0x9c/0x130 [auth_rpcgss] [ 3245.835214] svcauth_gss_accept+0x318/0x5f0 [auth_rpcgss] [ 3245.835574] svc_authenticate+0x98/0xc8 [sunrpc] [ 3245.835931] svc_process_common+0x210/0x728 [sunrpc] [ 3245.836271] svc_process+0xf4/0x178 [sunrpc] [ 3245.836606] svc_recv+0x938/0xc10 [sunrpc] [ 3245.836944] nfsd+0xc8/0x1e8 [nfsd] [ 3245.837286] kthread+0x104/0x118 [ 3245.837618] ret_from_fork+0x10/0x20 [ 3245.837919] Code: 52800036 f9001bf7 12800017 d503201f (f9400661) [ 3245.838219] ---[ end trace 0000000000000000 ]--- [ 3245.839059] Unable to handle kernel write to read-only memory at virtual address ffff000099527000 [ 3245.839421] Mem abort info: [ 3245.839765] ESR = 0x000000009600004f [ 3245.840107] EC = 0x25: DABT (current EL), IL = 32 bits [ 3245.840459] SET = 0, FnV = 0 [ 3245.840813] EA = 0, S1PTW = 0 [ 3245.841164] FSC = 0x0f: level 3 permission fault [ 3245.841517] Data abort info: [ 3245.841862] ISV = 0, ISS = 0x0000004f, ISS2 = 0x00000000 [ 3245.842207] CM = 0, WnR = 1, TnD = 0, TagAccess = 0 [ 3245.842614] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 3245.843022] swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000026a64f000 [ 3245.843432] [ffff000099527000] pgd=180000027fdff003, p4d=180000027fdff003, pud=180000027f9fc003, pmd=180000027f931003, pte=0060000119527787 [ 3245.843849] Internal error: Oops: 000000009600004f [#4] SMP [ 3245.844266] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs netfs nfsd nfs_acl lockd auth_rpcgss grace iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set rfkill nf_tables nfnetlink qrtr vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock sunrpc binfmt_misc pktcdvd snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec uvcvideo snd_hda_core vfat fat uvc snd_hwdep videobuf2_vmalloc videobuf2_memops snd_seq videobuf2_v4l2 snd_seq_device videobuf2_common snd_pcm videodev snd_timer snd mc soundcore joydev vmw_vmci loop zram xfs crct10dif_ce polyval_ce polyval_generic vmwgfx ghash_ce nvme sha3_ce e1000e sha512_ce nvme_core sha512_arm64 drm_ttm_helper ttm uhci_hcd scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse [ 3245.847251] CPU: 5 PID: 6890 Comm: kworker/5:2 Tainted: G D 6.10.0-rc2.nks #215 [ 3245.847671] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.21805430.BA64.2305221830 05/22/2023 [ 3245.848096] Workqueue: events drm_fb_helper_damage_work [ 3245.848583] pstate: 21400005 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 3245.849014] pc : clear_page+0x18/0x58 [ 3245.849504] lr : post_alloc_hook+0xb0/0x160 [ 3245.849955] sp : ffff8000849fb500 [ 3245.850380] x29: ffff8000849fb500 x28: fffffdffc26549c0 x27: 0000000000000000 [ 3245.850824] x26: ffff0001fed00780 x25: 0000000000000001 x24: ffff000000000000 [ 3245.851256] x23: 0000000000000000 x22: 0000000000000dc0 x21: 0000000002654a00 [ 3245.851687] x20: fffffdffc26549c0 x19: 0000000002654a00 x18: 0000000000000006 [ 3245.852117] x17: 6132346161303830 x16: 0000000000000020 x15: 0000000000000000 [ 3245.852548] x14: 0000000000000000 x13: ffff0001effcacc0 x12: 0000000000000000 [ 3245.852979] x11: 0000000000013e66 x10: ffff0001fec4a9e0 x9 : ffff800080392878 [ 3245.853413] x8 : 0000000000000030 x7 : 0000000000000000 x6 : 0000000000000001 [ 3245.853844] x5 : 0000000000180000 x4 : ffff800082a4cc18 x3 : 0000000000000002 [ 3245.854243] x2 : 0000000000000004 x1 : 0000000000000040 x0 : ffff000099527000 [ 3245.854608] Call trace: [ 3245.854972] clear_page+0x18/0x58 [ 3245.855344] get_page_from_freelist+0x338/0x1630 [ 3245.855709] __alloc_pages_noprof+0xd0/0xee0 [ 3245.856071] alloc_pages_mpol_noprof+0xe4/0x220 [ 3245.856450] alloc_pages_noprof+0x50/0xd8 [ 3245.856811] vmw_validation_mem_alloc+0x74/0xf8 [vmwgfx] [ 3245.857242] vmw_validation_add_resource+0xf0/0x2a8 [vmwgfx] [ 3245.857622] vmw_du_helper_plane_update+0x2a0/0x320 [vmwgfx] [ 3245.858006] vmw_stdu_plane_update_surface+0xe4/0x118 [vmwgfx] [ 3245.858386] vmw_stdu_primary_plane_atomic_update+0x130/0x1a8 [vmwgfx] [ 3245.858766] drm_atomic_helper_commit_planes+0xf0/0x2e8 [ 3245.859130] drm_atomic_helper_commit_tail+0x5c/0xb0 [ 3245.859486] vmw_atomic_commit_tail+0x2c/0xa0 [vmwgfx] [ 3245.859856] commit_tail+0xac/0x1a0 [ 3245.860210] drm_atomic_helper_commit+0x184/0x1a8 [ 3245.860567] drm_atomic_commit+0xa8/0xd0 [ 3245.860939] drm_atomic_helper_dirtyfb+0x188/0x280 [ 3245.861295] drm_fbdev_generic_helper_fb_dirty+0x1d0/0x310 [ 3245.861653] drm_fb_helper_damage_work+0x80/0x168 [ 3245.862008] process_one_work+0x19c/0x460 [ 3245.862361] worker_thread+0x284/0x3a0 [ 3245.862712] kthread+0x104/0x118 [ 3245.863060] ret_from_fork+0x10/0x20 [ 3245.863399] Code: 37200121 12000c21 d2800082 9ac12041 (d50b7420) [ 3245.863734] ---[ end trace 0000000000000000 ]---