[Wed Feb 5 20:09:17 2020] vfio-pci 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [Wed Feb 5 20:09:17 2020] BUG: kernel NULL pointer dereference, address: 0000000000000008 [Wed Feb 5 20:09:17 2020] #PF: supervisor write access in kernel mode [Wed Feb 5 20:09:17 2020] #PF: error_code(0x0002) - not-present page [Wed Feb 5 20:09:17 2020] PGD 0 P4D 0 [Wed Feb 5 20:09:17 2020] Oops: 0002 [#1] SMP NOPTI [Wed Feb 5 20:09:17 2020] CPU: 3 PID: 3306 Comm: tee Not tainted 5.3.0-28-generic #30~18.04.1-Ubuntu [Wed Feb 5 20:09:17 2020] Hardware name: System manufacturer System Product Name/PRIME H310T, BIOS 2602 07/24/2019 [Wed Feb 5 20:09:17 2020] RIP: 0010:mutex_lock+0x1d/0x40 [Wed Feb 5 20:09:17 2020] Code: 5d c3 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 9e e6 ff ff 65 48 8b 14 25 c0 6b 01 00 31 c0 <f0> 48 0f b1 13 75 03 5b 5d c3 48 89 df e8 b1 ff ff ff 5b 5d c3 0f [Wed Feb 5 20:09:17 2020] RSP: 0018:ffff9d4a42817d38 EFLAGS: 00010246 [Wed Feb 5 20:09:17 2020] RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000000 [Wed Feb 5 20:09:17 2020] RDX: ffff8cd6d8f6da00 RSI: 0000000000000000 RDI: 0000000000000008 [Wed Feb 5 20:09:17 2020] RBP: ffff9d4a42817d40 R08: ffff8cd6dbc036c0 R09: ffff8cd6dbc03718 [Wed Feb 5 20:09:17 2020] R10: 0000000000000000 R11: ffffffff8285d518 R12: 0000000000000000 [Wed Feb 5 20:09:17 2020] R13: ffffffffc05b0000 R14: ffff9d4a42817ee8 R15: fffffffffffffff2 [Wed Feb 5 20:09:17 2020] FS: 00007f32cfe5f540(0000) GS:ffff8cd6ddd80000(0000) knlGS:0000000000000000 [Wed Feb 5 20:09:17 2020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Wed Feb 5 20:09:17 2020] CR2: 0000000000000008 CR3: 0000000458984003 CR4: 00000000003626e0 [Wed Feb 5 20:09:17 2020] Call Trace: [Wed Feb 5 20:09:17 2020] snd_sof_ipc_free+0x20/0x40 [snd_sof] [Wed Feb 5 20:09:17 2020] snd_sof_device_remove+0x33/0xa0 [snd_sof] [Wed Feb 5 20:09:17 2020] sof_pci_remove+0x19/0x30 [sof_pci_dev] [Wed Feb 5 20:09:17 2020] pci_device_remove+0x3e/0xc0 [Wed Feb 5 20:09:17 2020] device_release_driver_internal+0xe0/0x1b0 [Wed Feb 5 20:09:17 2020] device_driver_detach+0x14/0x20 [Wed Feb 5 20:09:17 2020] unbind_store+0xd1/0x130 [Wed Feb 5 20:09:17 2020] drv_attr_store+0x27/0x40 [Wed Feb 5 20:09:17 2020] sysfs_kf_write+0x3c/0x50 [Wed Feb 5 20:09:17 2020] kernfs_fop_write+0x125/0x1a0 [Wed Feb 5 20:09:17 2020] __vfs_write+0x1b/0x40 [Wed Feb 5 20:09:17 2020] vfs_write+0xb1/0x1a0 [Wed Feb 5 20:09:17 2020] ksys_write+0xa7/0xe0 [Wed Feb 5 20:09:17 2020] __x64_sys_write+0x1a/0x20 [Wed Feb 5 20:09:17 2020] do_syscall_64+0x5a/0x130 [Wed Feb 5 20:09:17 2020] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [Wed Feb 5 20:09:17 2020] RIP: 0033:0x7f32cf963154 [Wed Feb 5 20:09:17 2020] Code: 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8d 05 b1 07 2e 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 f3 c3 66 90 41 54 55 49 89 d4 53 48 89 f5 [Wed Feb 5 20:09:17 2020] RSP: 002b:00007ffeacffedb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [Wed Feb 5 20:09:17 2020] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f32cf963154 [Wed Feb 5 20:09:17 2020] RDX: 000000000000000d RSI: 00007ffeacffeea0 RDI: 0000000000000003 [Wed Feb 5 20:09:17 2020] RBP: 00007ffeacffeea0 R08: 000000000000000d R09: 00007f32cfe5f540 [Wed Feb 5 20:09:17 2020] R10: 00000000000001b6 R11: 0000000000000246 R12: 000055781994c460 [Wed Feb 5 20:09:17 2020] R13: 000000000000000d R14: 00007f32cfc3a760 R15: 000000000000000d [Wed Feb 5 20:09:17 2020] Modules linked in: vhost_net vhost tap xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 xt_tcpudp ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bpfilter vfio_pci vfio_virqfd vfio_iommu_type1 vfio bridge stp llc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel mei_hdcp sof_pci_dev snd_sof_intel_hda_common snd_sof_intel_hda nls_iso8859_1 snd_sof_intel_byt aesni_intel snd_sof_intel_ipc snd_sof aes_x86_64 crypto_simd cryptd glue_helper intel_cstate snd_sof_xtensa_dsp snd_soc_skl intel_rapl_perf snd_soc_hdac_hda snd_hda_ext_core snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec snd_hda_core eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine btusb snd_usb_audio btrtl snd_usbmidi_lib btbcm snd_hwdep btintel snd_rawmidi bluetooth snd_seq_device snd_pcm uvcvideo [Wed Feb 5 20:09:17 2020] videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_timer videobuf2_common ecdh_generic ecc snd cdc_acm soundcore videodev mei_me mc mei ie31200_edac mac_hid acpi_tad acpi_pad sch_fq_codel coretemp ip_tables x_tables autofs4 r8169 ahci realtek libahci wmi video [Wed Feb 5 20:09:17 2020] CR2: 0000000000000008 [Wed Feb 5 20:09:17 2020] ---[ end trace 6ed0345db568dffc ]--- [Wed Feb 5 20:09:17 2020] RIP: 0010:mutex_lock+0x1d/0x40 [Wed Feb 5 20:09:17 2020] Code: 5d c3 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 9e e6 ff ff 65 48 8b 14 25 c0 6b 01 00 31 c0 <f0> 48 0f b1 13 75 03 5b 5d c3 48 89 df e8 b1 ff ff ff 5b 5d c3 0f [Wed Feb 5 20:09:17 2020] RSP: 0018:ffff9d4a42817d38 EFLAGS: 00010246 [Wed Feb 5 20:09:17 2020] RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000000 [Wed Feb 5 20:09:17 2020] RDX: ffff8cd6d8f6da00 RSI: 0000000000000000 RDI: 0000000000000008 [Wed Feb 5 20:09:17 2020] RBP: ffff9d4a42817d40 R08: ffff8cd6dbc036c0 R09: ffff8cd6dbc03718 [Wed Feb 5 20:09:17 2020] R10: 0000000000000000 R11: ffffffff8285d518 R12: 0000000000000000 [Wed Feb 5 20:09:17 2020] R13: ffffffffc05b0000 R14: ffff9d4a42817ee8 R15: fffffffffffffff2 [Wed Feb 5 20:09:17 2020] FS: 00007f32cfe5f540(0000) GS:ffff8cd6ddd80000(0000) knlGS:0000000000000000 [Wed Feb 5 20:09:17 2020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Wed Feb 5 20:09:17 2020] CR2: 0000000000000008 CR3: 0000000458984003 CR4: 00000000003626e0
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1827822 Title: kernel null pointer dereference To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1827822/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
