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Message-Id: <20241231090500.6970-1-guanwentao@uniontech.com> Date: Tue, 31 Dec 2024 17:05:00 +0800 From: Wentao Guan <guanwentao@...ontech.com> To: en-wei.wu@...onical.com Cc: Markus.Elfring@....de, linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org, luiz.dentz@...il.com, marcel@...tmann.org Subject: Re: Bluetooth: btusb: Add NULL check for data in btusb_suspend Hello Wu, When I try 6.12 kernel with mt7925e now. I met the same problem. I tryed this fix, and test reboot many times, it works well. Thanks. BRs Wentao Guan Problem Log: [ 7.771027] mt7925e 0000:61:00.0 wlp97s0: renamed from wlan0 [ 7.807739] r8169 0000:62:00.0: firmware: failed to load rtl_nic/rtl8168h-2.fw (-2) [ 7.828394] Generic FE-GE Realtek PHY r8169-0-6200:00: attached PHY driver (mii_bus:phy_addr=r8169-0-6200:00, irq=MAC) [ 7.984486] r8169 0000:62:00.0 enp98s0: Link is Down [ 8.475865] Bluetooth: hci0: Device setup in 1814888 usecs [ 8.475889] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported. [ 8.588117] Bluetooth: hci0: AOSP extensions version v1.00 [ 8.588137] Bluetooth: hci0: AOSP quality report is supported [ 8.588505] Bluetooth: MGMT ver 1.23 [ 8.594166] NET: Registered PF_ALG protocol family [ 8.616544] Bluetooth: hci0: Invalid link address type 1 for 9c:19:c2:3f:af:85 [ 10.588633] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 10.588649] #PF: supervisor read access in kernel mode [ 10.588652] #PF: error_code(0x0000) - not-present page [ 10.588655] PGD 0 P4D 0 [ 10.588660] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI [ 10.588668] CPU: 18 UID: 0 PID: 219 Comm: kworker/18:1 Tainted: G W OE 6.12.1 #1 [ 10.588676] Tainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE [ 10.588677] Hardware name: LENOVO 21Q4/LNVNB161216, BIOS PXCN22WW 10/16/2024 [ 10.588680] Workqueue: pm pm_runtime_work [ 10.588694] RIP: 0010:btusb_suspend+0x2a/0x200 [btusb] [ 10.588711] Code: f3 0f 1e fa 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 41 89 f4 53 48 8b 9f c8 00 00 00 0f 1f 44 00 00 41 81 e4 00 04 00 00 74 45 <48> 8b 13 8b 82 bc 09 00 00 03 82 b8 09 00 00 03 82 c4 09 00 00 03 [ 10.588715] RSP: 0018:ffffa22dc0a13c30 EFLAGS: 00010206 [ 10.588718] RAX: ffffffffc21599e0 RBX: 0000000000000000 RCX: 0000000000000003 [ 10.588721] RDX: ffff9517417c9c00 RSI: 0000000000000402 RDI: ffff9517417cec00 [ 10.588722] RBP: ffffa22dc0a13c48 R08: ffff9517698a2800 R09: ffff9517417c9cb0 [ 10.588724] R10: ffff951da1c5ab00 R11: 0000000000000000 R12: 0000000000000400 [ 10.588726] R13: ffff9517417cec00 R14: 0000000000000003 R15: ffffffffa96079c0 [ 10.588727] FS: 0000000000000000(0000) GS:ffff951da1f00000(0000) knlGS:0000000000000000 [ 10.588730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.588731] CR2: 0000000000000000 CR3: 000000028884c000 CR4: 0000000000f50ef0 [ 10.588734] PKRU: 55555554 [ 10.588736] Call Trace: [ 10.588740] <TASK> [ 10.588746] ? show_regs+0x68/0x80 [ 10.588755] ? __die+0x28/0x70 [ 10.588758] ? page_fault_oops+0xa4/0x160 [ 10.588765] ? do_user_addr_fault+0x30f/0x670 [ 10.588768] ? exc_page_fault+0x7b/0x180 [ 10.588776] ? asm_exc_page_fault+0x2b/0x30 [ 10.588785] ? __pfx_usb_runtime_suspend+0x10/0x10 [ 10.588793] ? __pfx_btusb_suspend+0x10/0x10 [btusb] [ 10.588801] ? btusb_suspend+0x2a/0x200 [btusb] [ 10.588805] usb_suspend_both+0x97/0x2a0 [ 10.588810] ? sched_clock_noinstr+0xd/0x20 [ 10.588814] ? __pfx_usb_runtime_suspend+0x10/0x10 [ 10.588817] usb_runtime_suspend+0x33/0x80 [ 10.588820] __rpm_callback+0x49/0x160 [ 10.588824] ? __remove_hrtimer+0x40/0x90 [ 10.588830] rpm_callback+0x60/0x70 [ 10.588832] rpm_suspend+0xe5/0x5f0 [ 10.588834] ? sched_clock_cpu+0x14/0x1a0 [ 10.588841] ? psi_group_change+0x130/0x360 [ 10.588846] __pm_runtime_suspend+0x42/0xd0 [ 10.588849] ? __pfx_usb_runtime_idle+0x10/0x10 [ 10.588852] usb_runtime_idle+0x3d/0x50 [ 10.588855] rpm_idle+0xce/0x2a0 [ 10.588857] pm_runtime_work+0x97/0xd0 [ 10.588860] process_one_work+0x18b/0x3c0 [ 10.588867] worker_thread+0x285/0x420 [ 10.588871] ? __pfx_worker_thread+0x10/0x10 [ 10.588874] kthread+0xe5/0x120 [ 10.588879] ? __pfx_kthread+0x10/0x10 [ 10.588881] ret_from_fork+0x3e/0x60 [ 10.588887] ? __pfx_kthread+0x10/0x10 [ 10.588889] ret_from_fork_asm+0x1a/0x30 [ 10.588896] </TASK> [ 10.588896] Modules linked in: cmac algif_hash algif_skcipher af_alg vfs_monitor(OE) qrtr bnep binfmt_misc nls_iso8859_1 amd_atl intel_rapl_msr intel_rapl_common snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component snd_hda_codec_hdmi snd_soc_dmic snd_sof_amd_rembrandt snd_sof_amd_renoir snd_sof_amd_acp snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_soc_core edac_mce_amd snd_compress ac97_bus snd_pcm_dmaengine uvcvideo snd_pci_ps mt7925e snd_hda_intel mt7925_common snd_intel_dspcfg snd_rpl_pci_acp6x videobuf2_vmalloc snd_intel_sdw_acpi mt792x_lib uvc snd_acp_pci btusb videobuf2_memops mt76_connac_lib snd_hda_codec snd_acp_legacy_common kvm_amd joydev videobuf2_v4l2 btrtl snd_pci_acp6x mt76 btintel snd_pci_acp5x snd_hda_core videobuf2_common btbcm snd_hwdep kvm mac80211 snd_rn_pci_acp3x btmtk videodev snd_pcm snd_acp_config snd_timer think_lmi bluetooth rapl mc firmware_attributes_class snd wmi_bmof pcspkr hid_multitouch snd_soc_acpi ucsi_acpi hid_sensor_als cfg80211 soundcore snd_pci_acp3x [ 10.588975] hid_sensor_trigger amd_pmf typec_ucsi sp5100_tco k10temp industrialio_triggered_buffer libarc4 amdtee ideapad_laptop kfifo_buf typec sparse_keymap hid_sensor_iio_common tee platform_profile industrialio amd_pmc input_leds serio_raw mac_hid vmwgfx parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 overlay btrfs blake2b_generic xor raid6_pq libcrc32c amdgpu amdxcp drm_exec gpu_sched drm_buddy i2c_algo_bit drm_suballoc_helper drm_ttm_helper ttm hid_sensor_custom drm_display_helper hid_sensor_hub drm_kms_helper hid_generic i2c_hid_acpi i2c_hid drm crct10dif_pclmul crc32_pclmul polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sha1_ssse3 amd_sfh thunderbolt sdhci_pci hid r8169 i2c_piix4 cqhci xhci_pci i2c_designware_platform i2c_smbus video xhci_pci_renesas sdhci realtek wmi ccp i2c_designware_core aesni_intel crypto_simd cryptd [ 10.589058] CR2: 0000000000000000 [ 10.589063] ---[ end trace 0000000000000000 ]--- [ 11.594342] pstore: backend (efi_pstore) writing error (-28) [ 11.594345] RIP: 0010:btusb_suspend+0x2a/0x200 [btusb] [ 11.594350] Code: f3 0f 1e fa 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 41 89 f4 53 48 8b 9f c8 00 00 00 0f 1f 44 00 00 41 81 e4 00 04 00 00 74 45 <48> 8b 13 8b 82 bc 09 00 00 03 82 b8 09 00 00 03 82 c4 09 00 00 03 [ 11.594351] RSP: 0018:ffffa22dc0a13c30 EFLAGS: 00010206 [ 11.594353] RAX: ffffffffc21599e0 RBX: 0000000000000000 RCX: 0000000000000003 [ 11.594354] RDX: ffff9517417c9c00 RSI: 0000000000000402 RDI: ffff9517417cec00 [ 11.594355] RBP: ffffa22dc0a13c48 R08: ffff9517698a2800 R09: ffff9517417c9cb0 [ 11.594355] R10: ffff951da1c5ab00 R11: 0000000000000000 R12: 0000000000000400 [ 11.594356] R13: ffff9517417cec00 R14: 0000000000000003 R15: ffffffffa96079c0 [ 11.594357] FS: 0000000000000000(0000) GS:ffff951da1f00000(0000) knlGS:0000000000000000 [ 11.594358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.594358] CR2: 0000000000000000 CR3: 000000011ef6c000 CR4: 0000000000f50ef0 [ 11.594359] PKRU: 55555554 [ 11.594360] note: kworker/18:1[219] exited with irqs disabled
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