Description of problem: Playing movie in gnome-mpv with sound via bluetooth headset. When I walked away it could have resulted with poor bluetooth connection sound stoped and gnome-mpv froze, connection to headset broke. Additional info: reporter: libreport-2.9.5 BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 PGD 0 P4D 0 Oops: 0000 [#1] SMP PTI Modules linked in: uinput cmac fuse rfcomm ccm xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack devlink ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables bnep sunrpc vfat fat arc4 intel_rapl iwlmvm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel mac80211 kvm iTCO_wdt iTCO_vendor_support iwlwifi irqbypass crct10dif_pclmul crc32_pclmul snd_hda_codec_realtek snd_hda_codec_generic ghash_clmulni_intel snd_hda_codec_hdmi btusb intel_cstate cfg80211 intel_uncore snd_hda_intel btrtl btbcm btintel intel_rapl_perf bluetooth snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm joydev i2c_i801 ecdh_generic rfkill snd_timer mei_me snd ir_rc6_decoder mei soundcore lpc_ich shpchp rc_rc6_mce nuvoton_cir rc_core acpi_pad i915 i2c_algo_bit drm_kms_helper crc32c_intel drm e1000e video CPU: 1 PID: 5594 Comm: kworker/u9:0 Not tainted 4.17.3-200.fc28.x86_64 #1 Hardware name: /NUC5i3RYB, BIOS RYBDWi35.86A.0369.2018.0305.1050 03/05/2018 Workqueue: hci0 hci_rx_work [bluetooth] RIP: 0010:klist_next+0x10/0xc0 RSP: 0018:ffffbe9a8a883ca0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff97aacf3f2800 RCX: dead000000000200 RDX: ffffffffc089ce90 RSI: ffffbe9a8a883cc8 RDI: 0000000000000000 RBP: ffffbe9a8a883cc8 R08: ffff97ab96ca16e0 R09: 0000000000000000 R10: 0000000000000000 R11: ffff97ab96c9fae8 R12: 0000000000000000 R13: ffff97ab8433e000 R14: ffff97ab8433e010 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff97ab96c80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000020 CR3: 00000001d920a003 CR4: 00000000003606e0 Call Trace: ? bt_link_release+0x20/0x20 [bluetooth] device_find_child+0x3c/0xa0 ? bt_link_release+0x20/0x20 [bluetooth] hci_conn_del_sysfs+0x53/0xa0 [bluetooth] hci_conn_cleanup+0x9a/0x140 [bluetooth] hci_conn_del+0xe5/0x1d0 [bluetooth] hci_disconn_complete_evt.isra.59+0x205/0x2d0 [bluetooth] hci_event_packet+0x1085/0x2690 [bluetooth] ? account_entity_dequeue+0xa4/0xd0 ? hci_rx_work+0x181/0x350 [bluetooth] hci_rx_work+0x181/0x350 [bluetooth] process_one_work+0x187/0x340 worker_thread+0x2e/0x380 ? pwq_unbound_release_workfn+0xd0/0xd0 kthread+0x112/0x130 ? kthread_create_worker_on_cpu+0x70/0x70 ret_from_fork+0x35/0x40 Code: 5b 41 5c 41 5d 41 5e 5d c3 e8 9d fb 7c ff 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 41 55 41 54 55 48 89 fd 53 4c 8b 65 08 48 8b 3f <4c> 8b 6f 20 e8 77 0b 02 00 4d 85 e4 74 63 49 8b 44 24 08 49 8d RIP: klist_next+0x10/0xc0 RSP: ffffbe9a8a883ca0 CR2: 0000000000000020
Created attachment 1457882 [details] File: dmesg
We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 28 kernel bugs. Fedora 28 has now been rebased to 4.18.10-300.fc28. Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 29, and are still experiencing this issue, please change the version to Fedora 29. If you experience different issues, please open a new bug report for those.
This bug is being closed with INSUFFICIENT_DATA as there has not been a response in 2 weeks. If you are still experiencing this issue, please reopen and let us know if the bug is still present on the latest kernel. (Please note: sometimes bugs get mistakenly closed during our mass closing. If you think your bug was closed in error please reopen)