From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DB959CDB46F for ; Mon, 22 Jun 2026 10:21:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4B01310E5EE; Mon, 22 Jun 2026 10:21:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="aTW7Y/ak"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id 979D410E5EE for ; Mon, 22 Jun 2026 10:21:18 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id CAF846001A for ; Mon, 22 Jun 2026 10:21:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 82A90C2BCB4 for ; Mon, 22 Jun 2026 10:21:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1782123677; bh=LpHyG1M8WvjQg+oHm/kB63iM/5qByggEk09BSwut4jc=; h=From:To:Subject:Date:From; b=aTW7Y/akKCkx6vutjK8FcvW8thwHyJ7G2DUoR9j0i7svyGP1k3L3W+0p9KNKNkpd6 fdGJGw0nP8qVTb173S0o8R9JF7l8hv21wdCdWn7xx7HBxEHPSMG6Qk0y/n3ersZGr1 H7v2J+gfQQMGbFDOhxMcUL81zFerN2KTPaFQOsfwYsMTQb7VCFBmnHHl7j6wKjvxP/ yiUqspE2KTyPZEABgpB1BScv3j2eng5S1fBdgc5njnRtkbXljnd0NMx42PWPqfVdUc KWUMvmdmvv3Q5Q6zT88bGtbqIrHVYee4lHrDYRHnzKgscUYPPu3QhPLJVskybIK/uo kirwUi1WyFV3g== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 64309C41613; Mon, 22 Jun 2026 10:21:17 +0000 (UTC) From: bugzilla-daemon@kernel.org To: dri-devel@lists.freedesktop.org Subject: [Bug 221679] New: BUG: kernel NULL pointer dereference, address: 0000000000000000 - amdgpu_hmm_invalidate_gfx+0x36/0xe0 Date: Mon, 22 Jun 2026 10:21:16 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Video(DRI - non Intel) X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jy6x2b32pie9@yahoo.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" https://bugzilla.kernel.org/show_bug.cgi?id=3D221679 Bug ID: 221679 Summary: BUG: kernel NULL pointer dereference, address: 0000000000000000 - amdgpu_hmm_invalidate_gfx+0x36/0xe0 Product: Drivers Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: jy6x2b32pie9@yahoo.com Regression: No Sometimes, when opening video, the kernel BUGs and mpv crashes. Experienced on 7.1.0 and 7.1.1; exact replication conditions unknown. [59986.001183] BUG: kernel NULL pointer dereference, address: 0000000000000= 000 [59986.001195] #PF: supervisor read access in kernel mode [59986.001197] #PF: error_code(0x0000) - not-present page [59986.001200] PGD 0 P4D 0=20 [59986.001204] Oops: Oops: 0000 [#1] SMP NOPTI [59986.001209] CPU: 1 UID: 1000 PID: 235492 Comm: demux Tainted: G = E 7.1.1-gentoo #1 PREEMPT(lazy)=20 [59986.001213] Tainted: [E]=3DUNSIGNED_MODULE [59986.001215] Hardware name: LENOVO 21Q5/LNVNB161216, BIOS PXCN22WW 10/16/= 2024 [59986.001217] RIP: 0010:amdgpu_hmm_invalidate_gfx+0x36/0xe0 [amdgpu] [59986.001519] Code: 41 89 c0 41 83 e0 01 75 05 44 89 c0 c3 cc 53 48 89 d3 = 48 83 ec 20 48 8b 57 f0 48 8b 8f 58 ff ff ff 48 89 3c 24 44 88 44 24 1f <48> 8= b 12 4c 8d 89 00 c7 04 00 4c 89 cf 4c 89 4c 24 08 48 8b 92 70 [59986.001522] RSP: 0018:ffffd0f0014a7010 EFLAGS: 00010282 [59986.001525] RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffff8c69a8f0ed90 [59986.001527] RDX: 0000000000000000 RSI: ffffd0f0014a70a8 RDI: ffff8c6a65c7be60 [59986.001528] RBP: ffffd0f0014a70a8 R08: 0000000000000001 R09: 0000000000000000 [59986.001530] R10: 0000000000000000 R11: ffffffffadd828c0 R12: ffff8c6d93ce9ae0 [59986.001531] R13: 0000000000000003 R14: 0000000000000000 R15: ffff8c6de3b4f200 [59986.001533] FS: 00007fbbd0ad26c0(0000) GS:ffff8c6fb3936000(0000) knlGS:0000000000000000 [59986.001535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [59986.001537] CR2: 0000000000000000 CR3: 00000003baf72000 CR4: 0000000000f50ef0 [59986.001538] PKRU: 55555554 [59986.001540] Call Trace: [59986.001544] [59986.001548] ? page_vma_mapped_walk+0x11e/0xb20 [59986.001556] __mmu_notifier_invalidate_range_start+0x269/0x2e0 [59986.001561] try_to_migrate_one+0xce2/0xda0 [59986.001565] ? __isolate_free_page+0x1a1/0x360 [59986.001569] ? post_alloc_hook+0x87/0xe0 [59986.001572] rmap_walk_anon+0x110/0x290 [59986.001575] try_to_migrate+0x8c/0xe0 [59986.001577] ? try_to_unmap_one+0x1170/0x1170 [59986.001579] ? set_tlb_ubc_flush_pending.isra.0+0x100/0x100 [59986.001582] ? folio_get_anon_vma+0xa0/0xa0 [59986.001584] ? invalid_mkclean_vma+0x20/0x20 [59986.001587] migrate_pages_batch+0x2ec/0xdf0 [59986.001591] ? isolate_freepages_block+0x490/0x490 [59986.001594] ? compaction_proactiveness_sysctl_handler+0x140/0x140 [59986.001597] ? __mod_memcg_lruvec_state+0x110/0x270 [59986.001601] ? mod_lruvec_state+0x24/0x40 [59986.001603] migrate_pages+0xa37/0xb90 [59986.001606] ? isolate_freepages_block+0x490/0x490 [59986.001608] ? compaction_proactiveness_sysctl_handler+0x140/0x140 [59986.001611] compact_zone+0x648/0x10f0 [59986.001615] compact_zone_order+0xe3/0x130 [59986.001619] try_to_compact_pages+0xc3/0x320 [59986.001623] __alloc_pages_slowpath.constprop.0+0x2e5/0x1220 [59986.001625] ? xfs_vm_readahead+0x9a/0xc0 [59986.001631] __alloc_frozen_pages_noprof+0x31b/0x380 [59986.001634] alloc_pages_mpol+0xb2/0x180 [59986.001638] folio_alloc_noprof+0x5e/0xf0 [59986.001640] page_cache_ra_order+0x1c3/0x3e0 [59986.001646] filemap_readahead.isra.0+0x75/0xa0 [59986.001651] filemap_get_pages+0x307/0x810 [59986.001654] filemap_read+0x123/0x4d0 [59986.001658] xfs_file_buffered_read+0x5e/0xe0 [59986.001661] xfs_file_read_iter+0x9f/0x200 [59986.001664] ? rw_verify_area+0x61/0x190 [59986.001668] vfs_read+0x317/0x460 [59986.001672] ksys_read+0x7b/0x110 [59986.001674] do_syscall_64+0xe6/0x600 [59986.001680] ? do_anonymous_page+0xef/0xb10 [59986.001682] ? __pte_offset_map+0x1b/0xa0 [59986.001685] ? __handle_mm_fault+0xc41/0x1120 [59986.001687] ? do_mprotect_pkey+0x181/0x590 [59986.001691] ? count_memcg_events+0xe2/0x220 [59986.001693] ? handle_mm_fault+0x247/0x330 [59986.001696] ? do_user_addr_fault+0x2cb/0x840 [59986.001700] ? do_syscall_64+0x9d/0x600 [59986.001702] ? exc_page_fault+0x69/0x160 [59986.001705] entry_SYSCALL_64_after_hwframe+0x67/0x6f [59986.001709] RIP: 0033:0x7fbbed8207a2 [59986.001711] Code: 08 0f 85 a1 3b ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 = ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 6= 6 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 48 83 ec 08 [59986.001713] RSP: 002b:00007fbbd0acfd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [59986.001716] RAX: ffffffffffffffda RBX: 00007fbb98004450 RCX: 00007fbbed8207a2 [59986.001717] RDX: 0000000000067791 RSI: 00007fbaf49e593d RDI: 0000000000000011 [59986.001719] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000 [59986.001720] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbb980009a0 [59986.001722] R13: 0000000000067791 R14: 00007fbaf49e593d R15: 00007fbb98006160 [59986.001724] [59986.001725] Modules linked in: wacom(E) uinput(E) rfcomm(E) snd_seq_dumm= y(E) snd_hrtimer(E) snd_seq(E) snd_seq_device(E) hid_sensor_als(E) hid_sensor_trigger(E) hid_sensor_iio_common(E) kfifo_buf(E) industrialio(E) uhid(E) hid_logitech_hidpp(E) des_generic(E) libdes(E) md4(E) uvcvideo(E) uvc(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_v4l2(E) videobuf2_common(E) videodev(E) uas(E) usb_storage(E) hid_logitech_dj(E) bnep(E) mc(E) cuse(E) amdgpu(E) btusb(E) btmtk(E) btrtl(E) btbcm(E) btintel= (E) bluetooth(E) snd_acp_legacy_mach(E) snd_acp_mach(E) snd_soc_nau8821(E) iwlmvm(E) snd_acp3x_rn(E) snd_acp70(E) snd_acp_i2s(E) snd_acp_pdm(E) snd_soc_dmic(E) snd_acp_pcm(E) snd_sof_amd_acp70(E) snd_sof_amd_acp63(E) snd_sof_amd_vangogh(E) snd_sof_amd_rembrandt(E) snd_sof_amd_renoir(E) snd_sof_amd_acp(E) amd_atl(E) snd_sof_xtensa_dsp(E) mac80211(E) snd_sof_pci= (E) snd_sof(E) snd_sof_utils(E) snd_pci_ps(E) snd_soc_acpi_amd_match(E) snd_amd_sdw_acpi(E) edac_mce_amd(E) soundwire_amd(E) snd_hda_codec_alc269(E) [59986.001782] soundwire_generic_allocation(E) amdxdna(E) snd_hda_codec_realtek_lib(E) soundwire_bus(E) snd_hda_scodec_component(E) i2c_algo_bit(E) snd_hda_codec_atihdmi(E) snd_hda_codec_generic(E) drm_buddy= (E) kvm_amd(E) snd_hda_codec_hdmi(E) drm_ttm_helper(E) snd_soc_core(E) ttm(E) snd_hda_intel(E) drm_exec(E) drm_suballoc_helper(E) drm_panel_backlight_quirks(E) snd_intel_dspcfg(E) amdxcp(E) libarc4(E) drm_display_helper(E) snd_compress(E) snd_hda_codec(E) ac97_bus(E) kvm(E) ideapad_laptop(E) cec(E) snd_pcm_dmaengine(E) sparse_keymap(E) snd_acp_pci(= E) snd_hda_core(E) snd_amd_acpi_mach(E) iwlwifi(E) snd_acp_legacy_common(E) joydev(E) snd_pci_acp6x(E) snd_hwdep(E) snd_pcm(E) lenovo_wmi_other(E) think_lmi(E) ucsi_acpi(E) r8169(E) snd_pci_acp5x(E) hid_multitouch(E) hid_sensor_hub(E) typec_ucsi(E) snd_timer(E) snd_ctl_led(E) snd_rn_pci_acp3= x(E) spd5118(E) snd(E) snd_acp_config(E) lenovo_wmi_hotkey_utilities(E) typec(E) nfnetlink(E) amd_pmf(E) lenovo_wmi_gamezone(E) realtek(E) firmware_attributes_class(E) snd_soc_acpi(E) [59986.001827] sp5100_tco(E) lenovo_wmi_helpers(E) lenovo_wmi_events(E) lenovo_wmi_capdata(E) wmi_bmof(E) irqbypass(E) pcspkr(E) gpu_sched(E) amdte= e(E) k10temp(E) video(E) soundcore(E) snd_pci_acp3x(E) phy_package(E) cfg80211(E) thunderbolt(E) i2c_hid_acpi(E) amd_sfh(E) i2c_hid(E) i2c_piix4(E) tee(E) amd_pmc(E) i2c_smbus(E) wmi(E) serio_raw(E) rfkill(E) binfmt_misc(E) tun(E) fuse(E) i2c_dev(E) pkcs8_key_parser(E) [59986.001849] Unloaded tainted modules: amd64_edac(E):1 acpi_cpufreq(E):1 bpf_preload(E):1 [59986.001856] CR2: 0000000000000000 [59986.001859] ---[ end trace 0000000000000000 ]--- [59987.402567] RIP: 0010:amdgpu_hmm_invalidate_gfx+0x36/0xe0 [amdgpu] [59987.402744] Code: 41 89 c0 41 83 e0 01 75 05 44 89 c0 c3 cc 53 48 89 d3 = 48 83 ec 20 48 8b 57 f0 48 8b 8f 58 ff ff ff 48 89 3c 24 44 88 44 24 1f <48> 8= b 12 4c 8d 89 00 c7 04 00 4c 89 cf 4c 89 4c 24 08 48 8b 92 70 [59987.402746] RSP: 0018:ffffd0f0014a7010 EFLAGS: 00010282 [59987.402748] RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffff8c69a8f0ed90 [59987.402749] RDX: 0000000000000000 RSI: ffffd0f0014a70a8 RDI: ffff8c6a65c7be60 [59987.402750] RBP: ffffd0f0014a70a8 R08: 0000000000000001 R09: 0000000000000000 [59987.402751] R10: 0000000000000000 R11: ffffffffadd828c0 R12: ffff8c6d93ce9ae0 [59987.402751] R13: 0000000000000003 R14: 0000000000000000 R15: ffff8c6de3b4f200 [59987.402752] FS: 00007fbbd0ad26c0(0000) GS:ffff8c6fb3936000(0000) knlGS:0000000000000000 [59987.402753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [59987.402754] CR2: 0000000000000000 CR3: 00000003baf72000 CR4: 0000000000f50ef0 [59987.402755] PKRU: 55555554 --=20 You may reply to this email to add a comment. 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