From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 571FB30F7F0; Mon, 18 Aug 2025 09:50:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755510651; cv=none; b=GKzL7mdJWUlxMQyFqhAf+MS/ZQnJWxspEfT/rHwZEaSMC0P1jxnWl7ABNZny6h0ArBAMXBARwhaGKDZxN2PSDuN5ks+oMJuFzGn8nGe+adDyo0ogivkxueLaytP2J+FSDcap1I1wUaiGWdxnTgVn1PNdXI/yZzVsUMQJcOV8sgE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755510651; c=relaxed/simple; bh=H84eiAraM41DK2JnCnv9EUuemVnoAHbaPQwwvu0/Zog=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=B9t0CL7lk9A9T2KEEzDvx7uZpuQklhSTQiffj3dQcAekaEN2E6O7waCVecu+d31xU0iaqLBCH8c3YvTt4X/QpYhhZKkyfRBYIvJH0Jo8mC7vsBDTPm1lSWC7/VBDOqzajqC1YJ1mnoFqfgVnKuiaBFSaDC6845oFhKOEGoV/Ap8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Bz24B1Sl; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Bz24B1Sl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=MV T1cY0EUo/p/pzzSG1IhoOoglOOePjguLh2CLUwazw=; b=Bz24B1Sl+wPQ4BID3S zoMRPUGilMFYgGbDaFZwjHWZTjRz62BMZgiyGiMHheXmO5ELd/8swURhierxVryx 6ykvfj9sV7bp4ghZZzPjkzSspkBNeLN8dpisOWe34u/u0TLNDKy8g9ZsjPztZ+Vy MjKqSD2BsUSqxM5T1hu3i0iPA= Received: from localhost.localdomain (unknown []) by gzga-smtp-mtada-g1-3 (Coremail) with SMTP id _____wD393lQ96JoTA8wCw--.43197S4; Mon, 18 Aug 2025 17:50:24 +0800 (CST) From: David Wang <00107082@163.com> To: James.Bottomley@HansenPartnership.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [BUG] general protection fault when connecting an old mp3/usb device Date: Mon, 18 Aug 2025 17:50:08 +0800 Message-ID: <20250818095008.6473-1-00107082@163.com> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID:_____wD393lQ96JoTA8wCw--.43197S4 X-Coremail-Antispam: 1Uf129KBjvAXoWfGFW8uw1UKr47Xw48AryxXwb_yoW8GF15to W7GF1rGr48Cr43Kr4vyr9IqrWDJ34qyFnFvryDA398Ga9FqF4UXr4UAr1kXw13Wa1UJr15 Aan5tws3J3y5AF97n29KB7ZKAUJUUUU8529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvjxUcPl1UUUUU X-CM-SenderInfo: qqqrilqqysqiywtou0bp/1tbiMwOtqmii83eOHgAAsp Hi, My loptop is running 6.16.0, once when I connect with an old mp3 via usb fo= r file transfer, the connection could not be established correctly, after I reconn= ect it several times, got following kernel error: (The device is old, and maybe buggy, but it works. And eventually I can con= nect it for file transfers) [Sat Aug 23 03:56:02 2025] usb 1-5: new high-speed USB device number 35 usi= ng xhci_hcd [Sat Aug 23 03:56:02 2025] usb 1-5: New USB device found, idVendor=3D12d1, = idProduct=3D1082, bcdDevice=3D 3.18 [Sat Aug 23 03:56:02 2025] usb 1-5: New USB device strings: Mfr=3D1, Produc= t=3D2, SerialNumber=3D3 [Sat Aug 23 03:56:02 2025] usb 1-5: Product: ATU-AL10 [Sat Aug 23 03:56:02 2025] usb 1-5: Manufacturer: HUAWEI [Sat Aug 23 03:56:02 2025] usb 1-5: SerialNumber: TPE9X18915C02308 [Sat Aug 23 03:56:02 2025] usb-storage 1-5:1.1: USB Mass Storage device det= ected [Sat Aug 23 03:56:02 2025] scsi host2: usb-storage 1-5:1.1 [Sat Aug 23 03:56:03 2025] scsi 2:0:0:0: CD-ROM Linux File-CD= Gadget 0318 PQ: 0 ANSI: 2 [Sat Aug 23 03:56:03 2025] sr 2:0:0:0: Power-on or device reset occurred [Sat Aug 23 03:56:03 2025] sr 2:0:0:0: [sr0] scsi3-mmc drive: 0x/0x caddy [Sat Aug 23 03:56:03 2025] sr 2:0:0:0: Attached scsi CD-ROM sr0 [Sat Aug 23 03:56:03 2025] sr 2:0:0:0: Attached scsi generic sg0 type 5 [Sat Aug 23 03:56:03 2025] /dev/sr0: Can't open blockdev [Sat Aug 23 03:56:03 2025] ISO 9660 Extensions: Microsoft Joliet Level 1 [Sat Aug 23 03:56:03 2025] ISOFS: changing to secondary root [Sat Aug 23 03:56:07 2025] usb 1-5: reset high-speed USB device number 35 u= sing xhci_hcd [Sat Aug 23 03:56:07 2025] sr 2:0:0:0: Power-on or device reset occurred [Sat Aug 23 03:56:07 2025] usb 1-5: reset high-speed USB device number 35 u= sing xhci_hcd [Sat Aug 23 03:56:08 2025] sr 2:0:0:0: Power-on or device reset occurred [Sat Aug 23 03:56:09 2025] usb 1-5: USB disconnect, device number 35 [Sat Aug 23 03:56:09 2025] Oops: general protection fault, probably for non= -canonical address 0x2e2e2f2e2e2f308e: 0000 [#1] SMP NOPTI [Sat Aug 23 03:56:09 2025] CPU: 6 UID: 0 PID: 355615 Comm: umount Not taint= ed 6.16.0-linan-0 #50 PREEMPT(voluntary)=20 [Sat Aug 23 03:56:09 2025] Hardware name: Acer S40-53/Lily_TL, BIOS V1.01 0= 8/28/2020 [Sat Aug 23 03:56:09 2025] RIP: 0010:scsi_block_when_processing_errors+0x27= /0xf0 [scsi_mod] [Sat Aug 23 03:56:09 2025] Code: 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 55 53 = 48 83 ec 30 65 48 8b 1d 61 b1 13 f0 48 89 5c 24 28 48 89 fb e8 2c 73 cd ee = 48 8b 13 <8b> 82 60 02 00 00 83 e8 05 83 f8 02 76 09 f6 82 20 02 00 00 10 74 [Sat Aug 23 03:56:09 2025] RSP: 0018:ffffaff30f777c70 EFLAGS: 00010246 [Sat Aug 23 03:56:09 2025] RAX: 0000000000000000 RBX: ffff920700e06000 RCX:= 0000000000000000 [Sat Aug 23 03:56:09 2025] RDX: 2e2e2f2e2e2f2e2e RSI: ffffaff30f777d40 RDI:= ffff920700e06000 [Sat Aug 23 03:56:09 2025] RBP: ffff920700e06000 R08: ffffaff30f777db4 R09:= 0000000000000004 [Sat Aug 23 03:56:09 2025] R10: ffffaff30f777db4 R11: ffffffffb06dff80 R12:= ffffaff30f777cc0 [Sat Aug 23 03:56:09 2025] R13: ffff9206360b2c00 R14: 0000000000000000 R15:= ffffaff30f777d40 [Sat Aug 23 03:56:09 2025] FS: 00007f28311db840(0000) GS:ffff92092fe60000(= 0000) knlGS:0000000000000000 [Sat Aug 23 03:56:09 2025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Sat Aug 23 03:56:09 2025] CR2: 000055c1ad2b1058 CR3: 000000011eaae002 CR4:= 0000000000f72ef0 [Sat Aug 23 03:56:09 2025] PKRU: 55555554 [Sat Aug 23 03:56:09 2025] Call Trace: [Sat Aug 23 03:56:09 2025] [Sat Aug 23 03:56:09 2025] sr_do_ioctl+0x5b/0x1c0 [sr_mod] [Sat Aug 23 03:56:09 2025] sr_packet+0x2c/0x50 [sr_mod] [Sat Aug 23 03:56:09 2025] cdrom_get_disc_info+0x60/0xe0 [cdrom] [Sat Aug 23 03:56:09 2025] cdrom_mrw_exit+0x29/0xb0 [cdrom] [Sat Aug 23 03:56:09 2025] ? xa_destroy+0xaa/0x120 [Sat Aug 23 03:56:09 2025] unregister_cdrom+0x76/0xc0 [cdrom] [Sat Aug 23 03:56:09 2025] sr_free_disk+0x44/0x50 [sr_mod] [Sat Aug 23 03:56:09 2025] disk_release+0xb0/0xe0 [Sat Aug 23 03:56:09 2025] device_release+0x37/0x90 [Sat Aug 23 03:56:09 2025] kobject_put+0x8e/0x1d0 [Sat Aug 23 03:56:09 2025] blkdev_release+0x11/0x20 [Sat Aug 23 03:56:09 2025] __fput+0xe3/0x2a0 [Sat Aug 23 03:56:09 2025] task_work_run+0x59/0x90 [Sat Aug 23 03:56:09 2025] exit_to_user_mode_loop+0xd6/0xe0 [Sat Aug 23 03:56:09 2025] do_syscall_64+0x1c1/0x1e0 [Sat Aug 23 03:56:09 2025] entry_SYSCALL_64_after_hwframe+0x76/0x7e [Sat Aug 23 03:56:09 2025] RIP: 0033:0x7f2831407b37 [Sat Aug 23 03:56:09 2025] Code: cf 92 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 = 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 = 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 99 92 0c 00 f7 d8 64 89 02 b8 [Sat Aug 23 03:56:09 2025] RSP: 002b:00007ffd4805c858 EFLAGS: 00000202 ORIG= _RAX: 00000000000000a6 [Sat Aug 23 03:56:09 2025] RAX: 0000000000000000 RBX: 00005590f636c0f8 RCX:= 00007f2831407b37 [Sat Aug 23 03:56:09 2025] RDX: 0000000000000000 RSI: 0000000000000002 RDI:= 00005590f636c210 [Sat Aug 23 03:56:09 2025] RBP: 0000000000000002 R08: 00007f28314d1cc0 R09:= 0000000000000040 [Sat Aug 23 03:56:09 2025] R10: 0000000000000000 R11: 0000000000000202 R12:= 00007f2831542264 [Sat Aug 23 03:56:09 2025] R13: 00005590f636c210 R14: 00005590f63716f0 R15:= 00005590f636bfe0 [Sat Aug 23 03:56:09 2025] [Sat Aug 23 03:56:09 2025] Modules linked in: sd_mod isofs sr_mod cdrom sg = uas usb_storage snd_usb_audio snd_usbmidi_lib snd_rawmidi hid_generic usbhi= d hid ccm rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device xt_CHECKS= UM ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_tcpudp nft_compa= t x_tables nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 = nf_tables nfnetlink bridge stp llc cmac algif_hash algif_skcipher af_alg qr= tr bnep binfmt_misc nls_ascii nls_cp437 vfat fat snd_ctl_led snd_soc_skl_hd= a_dsp snd_soc_intel_sof_board_helpers snd_soc_intel_hda_dsp_common snd_sof_= probes snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component= snd_soc_dmic snd_sof_pci_intel_tgl snd_sof_pci_intel_cnl snd_sof_intel_hda= _generic soundwire_intel soundwire_generic_allocation snd_sof_intel_hda_sdw= _bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_= sof_intel_hda snd_hda_codec_hdmi snd_hda_ext_core soundwire_cadence snd_sof= _pci intel_rapl_msr snd_sof_xtensa_dsp intel_rapl_common snd_sof [Sat Aug 23 03:56:09 2025] x86_pkg_temp_thermal snd_sof_utils snd_soc_acpi= _intel_match intel_powerclamp snd_soc_acpi_intel_sdca_quirks coretemp snd_s= oc_acpi crc8 iwlmvm soundwire_bus kvm_intel snd_soc_sdca snd_soc_core mac80= 211 snd_compress kvm libarc4 snd_hda_intel ptp btusb snd_intel_dspcfg uvcvi= deo pps_core mei_hdcp irqbypass btrtl snd_intel_sdw_acpi ghash_clmulni_inte= l videobuf2_vmalloc aesni_intel btintel uvc snd_hda_codec videobuf2_memops = btbcm videobuf2_v4l2 rapl snd_hda_core iwlwifi snd_hwdep intel_cstate snd_p= csp videodev bluetooth iTCO_wdt snd_pcm videobuf2_common ecdh_generic acer_= wmi mc intel_uncore snd_timer intel_pmc_bxt ecc platform_profile wmi_bmof s= nd cfg80211 iTCO_vendor_support ee1004 mei_me soundcore watchdog mei rfkill= ac intel_hid sparse_keymap acpi_pad joydev acer_wireless evdev serio_raw m= sr parport_pc ppdev lp parport fuse loop efi_pstore dm_mod configfs autofs4= ext4 crc16 mbcache jbd2 btrfs blake2b_generic efivarfs raid10 raid456 asyn= c_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 [Sat Aug 23 03:56:09 2025] raid0 md_mod ahci libahci libata nvme scsi_mod = nvme_core scsi_common i915 cec drm_buddy ttm i2c_algo_bit r8169 drm_display= _helper xhci_pci drm_client_lib realtek xhci_hcd mdio_devres drm_kms_helper= psmouse libphy usbcore intel_lpss_pci drm mdio_bus i2c_i801 intel_lpss i2c= _smbus usb_common idma64 vmd fan video button battery wmi [Sat Aug 23 03:56:09 2025] ---[ end trace 0000000000000000 ]--- [Sat Aug 23 03:56:10 2025] pstore: backend (efi_pstore) writing error (-28) [Sat Aug 23 03:56:10 2025] RIP: 0010:scsi_block_when_processing_errors+0x27= /0xf0 [scsi_mod] [Sat Aug 23 03:56:10 2025] Code: 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 55 53 = 48 83 ec 30 65 48 8b 1d 61 b1 13 f0 48 89 5c 24 28 48 89 fb e8 2c 73 cd ee = 48 8b 13 <8b> 82 60 02 00 00 83 e8 05 83 f8 02 76 09 f6 82 20 02 00 00 10 74 [Sat Aug 23 03:56:10 2025] RSP: 0018:ffffaff30f777c70 EFLAGS: 00010246 [Sat Aug 23 03:56:10 2025] RAX: 0000000000000000 RBX: ffff920700e06000 RCX:= 0000000000000000 [Sat Aug 23 03:56:10 2025] RDX: 2e2e2f2e2e2f2e2e RSI: ffffaff30f777d40 RDI:= ffff920700e06000 [Sat Aug 23 03:56:10 2025] RBP: ffff920700e06000 R08: ffffaff30f777db4 R09:= 0000000000000004 [Sat Aug 23 03:56:10 2025] R10: ffffaff30f777db4 R11: ffffffffb06dff80 R12:= ffffaff30f777cc0 [Sat Aug 23 03:56:10 2025] R13: ffff9206360b2c00 R14: 0000000000000000 R15:= ffffaff30f777d40 [Sat Aug 23 03:56:10 2025] FS: 00007f28311db840(0000) GS:ffff92092fe60000(= 0000) knlGS:0000000000000000 [Sat Aug 23 03:56:10 2025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Sat Aug 23 03:56:10 2025] CR2: 000055c1ad2b1058 CR3: 000000011eaae002 CR4:= 0000000000f72ef0 [Sat Aug 23 03:56:10 2025] PKRU: 55555554 Parsing with a vmlinux image build with DEBUG_INFO: =20 [Sat Aug 23 03:56:09 2025] Oops: general protection fault, probably for non= -canonical address 0x2e2e2f2e2e2f308e: 0000 [#1] SMP NOPTI [Sat Aug 23 03:56:09 2025] CPU: 6 UID: 0 PID: 355615 Comm: umount Not taint= ed 6.16.0-linan-0 #50 PREEMPT(voluntary) [Sat Aug 23 03:56:09 2025] Hardware name: Acer S40-53/Lily_TL, BIOS V1.01 0= 8/28/2020 [Sat Aug 23 03:56:09 2025] RIP: 0010:scsi_block_when_processing_errors (./i= nclude/scsi/scsi_host.h:755 drivers/scsi/scsi_error.c:388) scsi_mod=20 [Sat Aug 23 03:56:09 2025] Code: 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 55 53 = 48 83 ec 30 65 48 8b 1d 61 b1 13 f0 48 89 5c 24 28 48 89 fb e8 2c 73 cd ee = 48 8b 13 <8b> 82 60 02 00 00 83 e8 05 83 f8 02 76 09 f6 82 20 02 00 00 10 74 All code =3D=3D=3D=3D=3D=3D=3D=3D 0: 90 nop 1: 90 nop 2: 90 nop 3: f3 0f 1e fa endbr64 7: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) c: 55 push %rbp d: 53 push %rbx e: 48 83 ec 30 sub $0x30,%rsp 12: 65 48 8b 1d 61 b1 13 mov %gs:-0xfec4e9f(%rip),%rbx # 0xfff= ffffff013b17b 19: f0=20 1a: 48 89 5c 24 28 mov %rbx,0x28(%rsp) 1f: 48 89 fb mov %rdi,%rbx 22: e8 2c 73 cd ee call 0xffffffffeecd7353 27: 48 8b 13 mov (%rbx),%rdx 2a:* 8b 82 60 02 00 00 mov 0x260(%rdx),%eax <-- trapping instruct= ion 30: 83 e8 05 sub $0x5,%eax 33: 83 f8 02 cmp $0x2,%eax 36: 76 09 jbe 0x41 38: f6 82 20 02 00 00 10 testb $0x10,0x220(%rdx) 3f: 74 .byte 0x74 Code starting with the faulting instruction =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 0: 8b 82 60 02 00 00 mov 0x260(%rdx),%eax 6: 83 e8 05 sub $0x5,%eax 9: 83 f8 02 cmp $0x2,%eax c: 76 09 jbe 0x17 e: f6 82 20 02 00 00 10 testb $0x10,0x220(%rdx) 15: 74 .byte 0x74 [Sat Aug 23 03:56:09 2025] RSP: 0018:ffffaff30f777c70 EFLAGS: 00010246 [Sat Aug 23 03:56:09 2025] RAX: 0000000000000000 RBX: ffff920700e06000 RCX:= 0000000000000000 [Sat Aug 23 03:56:09 2025] RDX: 2e2e2f2e2e2f2e2e RSI: ffffaff30f777d40 RDI:= ffff920700e06000 [Sat Aug 23 03:56:09 2025] RBP: ffff920700e06000 R08: ffffaff30f777db4 R09:= 0000000000000004 [Sat Aug 23 03:56:09 2025] R10: ffffaff30f777db4 R11: ffffffffb06dff80 R12:= ffffaff30f777cc0 [Sat Aug 23 03:56:09 2025] R13: ffff9206360b2c00 R14: 0000000000000000 R15:= ffffaff30f777d40 [Sat Aug 23 03:56:09 2025] FS: 00007f28311db840(0000) GS:ffff92092fe60000(= 0000) knlGS:0000000000000000 [Sat Aug 23 03:56:09 2025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Sat Aug 23 03:56:09 2025] CR2: 000055c1ad2b1058 CR3: 000000011eaae002 CR4:= 0000000000f72ef0 [Sat Aug 23 03:56:09 2025] PKRU: 55555554 [Sat Aug 23 03:56:09 2025] Call Trace: [Sat Aug 23 03:56:09 2025] [Sat Aug 23 03:56:09 2025] sr_do_ioctl (drivers/scsi/sr_ioctl.c:202 (discri= minator 1)) sr_mod=20 [Sat Aug 23 03:56:09 2025] sr_packet (drivers/scsi/sr.c:928) sr_mod=20 [Sat Aug 23 03:56:09 2025] cdrom_get_disc_info (drivers/cdrom/cdrom.c:385) = cdrom=20 [Sat Aug 23 03:56:09 2025] cdrom_mrw_exit (drivers/cdrom/cdrom.c:538) cdrom= =20 [Sat Aug 23 03:56:09 2025] ? xa_destroy (lib/xarray.c:956 lib/xarray.c:2390= )=20 [Sat Aug 23 03:56:09 2025] unregister_cdrom (drivers/cdrom/cdrom.c:657) cdr= om=20 [Sat Aug 23 03:56:09 2025] sr_free_disk (drivers/scsi/sr.c:578) sr_mod=20 [Sat Aug 23 03:56:09 2025] disk_release (block/genhd.c:1312)=20 [Sat Aug 23 03:56:09 2025] device_release (drivers/base/core.c:2572)=20 [Sat Aug 23 03:56:09 2025] kobject_put (lib/kobject.c:693 lib/kobject.c:720= ./include/linux/kref.h:65 lib/kobject.c:737)=20 [Sat Aug 23 03:56:09 2025] blkdev_release (block/fops.c:686)=20 [Sat Aug 23 03:56:09 2025] __fput (fs/file_table.c:465)=20 [Sat Aug 23 03:56:09 2025] task_work_run (kernel/task_work.c:227)=20 [Sat Aug 23 03:56:09 2025] exit_to_user_mode_loop (./include/linux/resume_u= ser_mode.h:50 kernel/entry/common.c:114)=20 [Sat Aug 23 03:56:09 2025] do_syscall_64 (./include/linux/entry-common.h:33= 0 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arc= h/x86/entry/syscall_64.c:100)=20 [Sat Aug 23 03:56:09 2025] entry_SYSCALL_64_after_hwframe (arch/x86/entry/e= ntry_64.S:130)=20 [Sat Aug 23 03:56:09 2025] RIP: 0033:0x7f2831407b37 The offending address 0x2e2e2f2e2e2f308e seems interesting: 0x2e2e2f2e2e2f308e =3D 0x2e2e2f2e2e2f2e2e+0x260 as in: 2a:* 8b 82 60 02 00 00 mov 0x260(%rdx),%eax <-- trappi= ng instruction It seems part of the device structure has been erased with 0x2e2e2f2e2e2f2e= 2e, when=20 scsi_block_when_processing_errors tried to access it. Thanks David =20