Bug#939986: (no subject)
previous post was with 5.3~rc5-1~exp2, so it happens there too.
with 5.2.0-2-amd64 it's the same though:
[ 3.938929] ------------[ cut here ]------------
[ 3.938979] WARNING: CPU: 1 PID: 551 at net/wireless/nl80211.c:6859
nl80211_get_reg_do+0x1fc/0x210 [cfg80211]
[ 3.938980] Modules linked in: cmac bnep intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
crct10dif_pclmul crc32_pclmul snd_hda_codec_hdmi snd_hda_codec_conexant
snd_hda_codec_generic ghash_clmulni_intel ledtrig_audio binfmt_misc arc4
nls_ascii btusb nls_cp437 btrtl btbcm btintel vfat bluetooth fat
snd_soc_skl iwlmvm i915 snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp
snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi mac80211
snd_soc_core snd_compress aesni_intel snd_hda_intel snd_hda_codec
iwlwifi aes_x86_64 uvcvideo crypto_simd snd_hda_core cryptd drbg
glue_helper rtsx_usb_ms videobuf2_vmalloc drm_kms_helper snd_hwdep
videobuf2_memops videobuf2_v4l2 intel_cstate videobuf2_common snd_pcm
intel_uncore memstick ansi_cprng videodev drm cfg80211 efi_pstore
intel_rapl_perf snd_timer ecdh_generic ecc iTCO_wdt iTCO_vendor_support
media sg watchdog evdev joydev i2c_algo_bit intel_pch_thermal snd
soundcore ideapad_laptop sparse_keymap serio_raw efivars pcspkr
[ 3.939007] intel_wmi_thunderbolt rfkill battery pcc_cpufreq
acpi_pad ac button sunrpc efivarfs ip_tables x_tables autofs4 ext4
rtsx_usb_sdmmc mmc_core crc16 rtsx_usb mbcache mfd_core jbd2
crc32c_generic sr_mod cdrom sd_mod xhci_pci xhci_hcd ahci libahci libata
crc32c_intel psmouse usbcore r8169 scsi_mod realtek libphy i2c_i801
usb_common wmi video
[ 3.939023] CPU: 1 PID: 551 Comm: wpa_supplicant Tainted: G W
5.2.0-2-amd64 #1 Debian 5.2.9-2
[ 3.939024] Hardware name: LENOVO 80RJ/Lenovo B71-80, BIOS 0RCN35WW
12/03/2015
[ 3.939043] RIP: 0010:nl80211_get_reg_do+0x1fc/0x210 [cfg80211]
[ 3.939045] Code: ff 48 89 ef e8 c5 a5 2d de b8 a6 ff ff ff eb 89 eb
ef b8 97 ff ff ff eb 80 e8 70 04 d7 dd 48 c7 c7 08 18 95 c0 e8 b2 81 dd
dd <0f> 0b 48 89 ef e8 9a a5 2d de b8 ea ff ff ff e9 5b ff ff ff 0f 1f
[ 3.939046] RSP: 0018:ffffa59781dc3ac8 EFLAGS: 00010246
[ 3.939047] RAX: 0000000000000024 RBX: 0000000000000000 RCX:
0000000000000000
[ 3.939048] RDX: 0000000000000000 RSI: ffff9a7ba2297688 RDI:
ffff9a7ba2297688
[ 3.939049] RBP: ffff9a7b9e5f4a00 R08: 0000000000000364 R09:
0000000000000004
[ 3.939050] R10: 0000000000000000 R11: 0000000000000001 R12:
ffffa59781dc3b50
[ 3.939051] R13: ffff9a7b9e07f014 R14: 0000000000000001 R15:
ffff9a7b9d7a4300
[ 3.939052] FS: 00007fb70bc70800(0000) GS:ffff9a7ba2280000(0000)
knlGS:0000000000000000
[ 3.939053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.939054] CR2: 000055f02b69a038 CR3: 00000004596bc005 CR4:
00000000003606e0
[ 3.939055] Call Trace:
[ 3.939060] ? _cond_resched+0x15/0x30
[ 3.939064] genl_family_rcv_msg+0x1d2/0x410
[ 3.939067] ? __alloc_pages_nodemask+0x163/0x310
[ 3.939069] genl_rcv_msg+0x47/0x8c
[ 3.939071] ? __kmalloc_node_track_caller+0x1cb/0x290
[ 3.939073] ? genl_family_rcv_msg+0x410/0x410
[ 3.939074] netlink_rcv_skb+0x49/0x110
[ 3.939076] genl_rcv+0x24/0x40
[ 3.939077] netlink_unicast+0x17e/0x200
[ 3.939079] netlink_sendmsg+0x204/0x3d0
[ 3.939082] sock_sendmsg+0x4c/0x50
[ 3.939084] ___sys_sendmsg+0x29f/0x300
[ 3.939085] ? ___sys_recvmsg+0x16c/0x200
[ 3.939088] ? mem_cgroup_commit_charge+0x80/0x4d0
[ 3.939089] ? mem_cgroup_try_charge+0x86/0x190
[ 3.939092] ? __handle_mm_fault+0xa98/0x1280
[ 3.939094] __sys_sendmsg+0x57/0xa0
[ 3.939097] do_syscall_64+0x53/0x130
[ 3.939099] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 3.939101] RIP: 0033:0x7fb70bfc2744
[ 3.939102] Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f
80 00 00 00 00 48 8d 05 99 3c 0c 00 8b 00 85 c0 75 13 b8 2e 00 00 00 0f
05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 48 83 ec 28 89 54 24 1c 48 89
[ 3.939103] RSP: 002b:00007fff96501ff8 EFLAGS: 00000246 ORIG_RAX:
000000000000002e
[ 3.939105] RAX: ffffffffffffffda RBX: 000055f02b663480 RCX:
00007fb70bfc2744
[ 3.939106] RDX: 0000000000000000 RSI: 00007fff96502030 RDI:
0000000000000004
[ 3.939106] RBP: 000055f02b693f00 R08: 0000000000000004 R09:
000055f02b697dc0
[ 3.939107] R10: 00007fff96502104 R11: 0000000000000246 R12:
000055f02b663390
[ 3.939108] R13: 00007fff96502030 R14: 00007fff96502160 R15:
00007fff96502104
[ 3.939110] ---[ end trace 260d0e5afec60bed ]---
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