Backtrace

list_add corruption. prev->next should be next (ffff8ddc3a95f5c8), but was ffffb69382b33d28. (prev=ffffb69382b33d28).
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kernel BUG at lib/list_debug.c:26!
invalid opcode: 0000 [#1] SMP PTI
CPU: 1 PID: 4119 Comm: MediaCo~ller #9 Tainted: P           OE     5.8.18-100.fc31.x86_64 #1
Hardware name: Sony Corporation SVF11N1L2RS/VAIO, BIOS R0240DE 01/15/2014
RIP: 0010:__list_add_valid.cold+0x3d/0x3f
Code: f2 4c 89 c1 48 89 fe 48 c7 c7 60 5b 42 82 e8 0c 80 b5 ff 0f 0b 48 89 d1 4c 89 c6 4c 89 ca 48 c7 c7 08 5b 42 82 e8 f5 7f b5 ff <0f> 0b 48 89 fe 48 c7 c7 98 5b 42 82 e8 e4 7f b5 ff 0f 0b 48 c7 c7
RSP: 0018:ffffb69382bfbc28 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffb69382b33d28 RCX: 0000000000000000
RDX: ffff8ddc3bca7060 RSI: ffff8ddc3bc98d00 RDI: ffff8ddc3bc98d00
RBP: ffffb69382bfbd10 R08: ffff8ddc3bc98d00 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8ddc3a95f5c8
R13: ffffb69382bfbd28 R14: ffffb69382bfbd18 R15: 00007fa3354fef74
FS:  00007fa33579d700(0000) GS:ffff8ddc3bc80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa33ec67000 CR3: 000000013d800000 CR4: 00000000001006e0
Call Trace:
 plist_add+0xbe/0x100
 futex_wait_queue_me+0x73/0x110
 futex_wait+0xd8/0x1f0
 ? hrtimer_init_sleeper+0x90/0x90
 do_futex+0x16c/0xc60
 ? __seccomp_filter+0x7b/0x670
 ? update_process_times+0x3c/0x60
 ? timerqueue_add+0x96/0xb0
 ? enqueue_hrtimer+0x36/0x90
 ? __hrtimer_run_queues+0x115/0x240
 ? recalibrate_cpu_khz+0x10/0x10
 ? ktime_get+0x38/0x90
 __x64_sys_futex+0x127/0x140
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fa3608ad07a
Code: 00 00 00 e8 88 34 00 00 4c 8b 54 24 08 8b 74 24 30 31 d2 89 44 24 34 41 b9 ff ff ff ff 45 31 c0 4c 89 f7 b8 ca 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 aa 00 00 00 8b 7c 24 34 e8 b1 34 00 00 31
RSP: 002b:00007fa33579c870 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000069177 RCX: 00007fa3608ad07a
RDX: 0000000000000000 RSI: 0000000000000089 RDI: 00007fa3354fef74
RBP: 00007fa3354fef48 R08: 0000000000000000 R09: 00000000ffffffff
R10: 00007fa33579c950 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa3354fef18 R14: 00007fa3354fef74 R15: 00007fa33579c8b0
Modules linked in: uinput rfcomm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack tun nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg btusb mei_hdcp snd_hda_codec iTCO_wdt intel_pmc_bxt iTCO_vendor_support btrtl btbcm intel_rapl_msr btintel snd_hda_core uvcvideo bluetooth videobuf2_vmalloc snd_hwdep snd_seq videobuf2_memops videobuf2_v4l2 videobuf2_common videodev intel_soc_dts_thermal intel_powerclamp coretemp kvm_intel wl(POE) mc hid_sensor_als snd_seq_device snd_pcm
 hid_sensor_accel_3d ecdh_generic hid_sensor_magn_3d ecc hid_sensor_rotation hid_sensor_gyro_3d hid_sensor_incl_3d hid_sensor_trigger kvm hid_sensor_iio_common industrialio_triggered_buffer kfifo_buf industrialio cfg80211 irqbypass intel_cstate joydev snd_timer pcspkr mei_txe mei i2c_i801 snd i2c_smbus lpc_ich soundcore sony_laptop processor_thermal_device intel_rapl_common rfkill int3400_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone dw_dmac intel_soc_dts_iosf ip_tables mmc_block i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel cec serio_raw drm rtsx_pci hid_sensor_hub hid_multitouch video fuse