FYI, we noticed the following commit (built with gcc-7):

commit: d8572a564d8aa17cb726a2aed04d0bbe52403249 ("[PATCH 2/3] nl80211: Limit certain commands to interface owner")
url: https://github.com/0day-ci/linux/commits/Denis-Kenzior/nl80211-Update-uapi-for-CMD_FRAME_WAIT_CANCEL/20190622-213015
base: https://git.kernel.org/cgit/linux/kernel/git/jberg/mac80211-next.git master

in testcase: hwsim
with following parameters:

	group: hwsim-13



on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 4G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+---------------------------------------------------------------------------------+------------+------------+
|                                                                                 | 97b91db67a | d8572a564d |
+---------------------------------------------------------------------------------+------------+------------+
| boot_successes                                                                  | 2          | 0          |
| boot_failures                                                                   | 18         | 20         |
| BUG:kernel_reboot-without-warning_in_test_stage                                 | 18         | 4          |
| assertion_failed                                                                | 0          | 16         |
| WARNING:at_net/wireless/reg.c:#reset_regdomains[cfg80211]                       | 0          | 16         |
| RIP:reset_regdomains[cfg80211]                                                  | 0          | 16         |
| WARNING:at_net/wireless/reg.c:#update_all_wiphy_regulatory[cfg80211]            | 0          | 16         |
| RIP:update_all_wiphy_regulatory[cfg80211]                                       | 0          | 16         |
| WARNING:at_net/wireless/mlme.c:#cfg80211_process_mlme_unregistrations[cfg80211] | 0          | 16         |
| RIP:cfg80211_process_mlme_unregistrations[cfg80211]                             | 0          | 16         |
| WARNING:at_net/core/dev.c:#call_netdevice_notifiers_info                        | 0          | 11         |
| RIP:call_netdevice_notifiers_info                                               | 0          | 11         |
| WARNING:at_net/wireless/nl80211.c:#__cfg80211_wdev_from_attrs[cfg80211]         | 0          | 16         |
| RIP:__cfg80211_wdev_from_attrs[cfg80211]                                        | 0          | 16         |
| WARNING:at_net/sched/sch_api.c:#qdisc_hash_add                                  | 0          | 10         |
| RIP:qdisc_hash_add                                                              | 0          | 10         |
| WARNING:at_net/core/rtnetlink.c:#rtnl_fill_ifinfo                               | 0          | 12         |
| RIP:rtnl_fill_ifinfo                                                            | 0          | 12         |
| WARNING:at_net/core/devlink.c:#devlink_compat_phys_port_name_get                | 0          | 12         |
| RIP:devlink_compat_phys_port_name_get                                           | 0          | 12         |
| WARNING:at_net/core/devlink.c:#devlink_compat_switch_id_get                     | 0          | 12         |
| RIP:devlink_compat_switch_id_get                                                | 0          | 12         |
| WARNING:at_net/core/rtnetlink.c:#rtnl_xdp_prog_skb                              | 0          | 12         |
| RIP:rtnl_xdp_prog_skb                                                           | 0          | 12         |
| WARNING:at_net/core/fib_rules.c:#fib_rules_event                                | 0          | 11         |
| RIP:fib_rules_event                                                             | 0          | 11         |
| WARNING:at_net/ipv4/devinet.c:#inetdev_event                                    | 0          | 11         |
| RIP:inetdev_event                                                               | 0          | 11         |
| WARNING:at_net/wireless/nl80211.c:#__cfg80211_rdev_from_attrs[cfg80211]         | 0          | 16         |
| RIP:__cfg80211_rdev_from_attrs[cfg80211]                                        | 0          | 16         |
| WARNING:at_net/wireless/core.c:#cfg80211_rdev_by_wiphy_idx[cfg80211]            | 0          | 16         |
| RIP:cfg80211_rdev_by_wiphy_idx[cfg80211]                                        | 0          | 16         |
| WARNING:at_net/wireless/util.c:#cfg80211_change_iface[cfg80211]                 | 0          | 16         |
| RIP:cfg80211_change_iface[cfg80211]                                             | 0          | 16         |
| WARNING:at_net/wireless/util.c:#cfg80211_process_rdev_events[cfg80211]          | 0          | 16         |
| RIP:cfg80211_process_rdev_events[cfg80211]                                      | 0          | 16         |
| WARNING:at_net/mac80211/iface.c:#ieee80211_if_change_type[mac80211]             | 0          | 16         |
| RIP:ieee80211_if_change_type[mac80211]                                          | 0          | 16         |
| WARNING:at_net/wireless/nl80211.c:#nl80211_set_wiphy[cfg80211]                  | 0          | 16         |
| RIP:nl80211_set_wiphy[cfg80211]                                                 | 0          | 16         |
| WARNING:at_net/wireless/chan.c:#cfg80211_reg_can_beacon_relax[cfg80211]         | 0          | 16         |
| RIP:cfg80211_reg_can_beacon_relax[cfg80211]                                     | 0          | 16         |
| WARNING:at_net/wireless/reg.c:#restore_regulatory_settings[cfg80211]            | 0          | 2          |
| RIP:restore_regulatory_settings[cfg80211]                                       | 0          | 2          |
| WARNING:at_net/wireless/core.c:#wiphy_idx_to_wiphy[cfg80211]                    | 0          | 8          |
| RIP:wiphy_idx_to_wiphy[cfg80211]                                                | 0          | 8          |
| WARNING:at_net/wireless/core.c:#__cfg80211_leave[cfg80211]                      | 0          | 3          |
| RIP:__cfg80211_leave[cfg80211]                                                  | 0          | 3          |
| BUG:unable_to_handle_page_fault_for_address                                     | 0          | 1          |
| Oops:#[##]                                                                      | 0          | 1          |
| RIP:netpoll_poll_disable                                                        | 0          | 1          |
| Kernel_panic-not_syncing:Fatal_exception                                        | 0          | 2          |
| WARNING:at_net/ipv4/igmp.c:#ip_mc_up                                            | 0          | 6          |
| RIP:ip_mc_up                                                                    | 0          | 6          |
| WARNING:at_net/ipv4/igmp.c:#____ip_mc_inc_group                                 | 0          | 6          |
| RIP:____ip_mc_inc_group                                                         | 0          | 6          |
| WARNING:at_net/wireless/core.c:#cfg80211_update_iface_num[cfg80211]             | 0          | 7          |
| RIP:cfg80211_update_iface_num[cfg80211]                                         | 0          | 7          |
| WARNING:at_net/wireless/wext-sme.c:#cfg80211_mgd_wext_connect[cfg80211]         | 0          | 6          |
| RIP:cfg80211_mgd_wext_connect[cfg80211]                                         | 0          | 6          |
| WARNING:at_net/ipv6/addrconf.c:#addrconf_dev_config                             | 0          | 4          |
| RIP:addrconf_dev_config                                                         | 0          | 4          |
| WARNING:at_net/ipv6/addrconf.c:#addrconf_add_dev                                | 0          | 4          |
| RIP:addrconf_add_dev                                                            | 0          | 4          |
| WARNING:at_net/ipv6/addrconf.c:#ipv6_find_idev                                  | 0          | 4          |
| RIP:ipv6_find_idev                                                              | 0          | 4          |
| WARNING:at_net/mac80211/iface.c:#ieee80211_check_concurrent_iface[mac80211]     | 0          | 4          |
| RIP:ieee80211_check_concurrent_iface[mac80211]                                  | 0          | 4          |
| WARNING:at_net/wireless/reg.c:#set_regdom[cfg80211]                             | 0          | 7          |
| RIP:set_regdom[cfg80211]                                                        | 0          | 7          |
| general_protection_fault:#[##]                                                  | 0          | 1          |
| RIP:dev_deactivate_many                                                         | 0          | 1          |
| WARNING:at_net/wireless/chan.c:#cfg80211_any_wiphy_oper_chan[cfg80211]          | 0          | 1          |
| RIP:cfg80211_any_wiphy_oper_chan[cfg80211]                                      | 0          | 1          |
| WARNING:at_net/wireless/core.c:#cfg80211_destroy_ifaces[cfg80211]               | 0          | 2          |
| RIP:cfg80211_destroy_ifaces[cfg80211]                                           | 0          | 2          |
| WARNING:at_net/mac80211/iface.c:#ieee80211_if_add[mac80211]                     | 0          | 2          |
| RIP:ieee80211_if_add[mac80211]                                                  | 0          | 2          |
| WARNING:at_net/core/dev.c:#register_netdevice                                   | 0          | 2          |
| RIP:register_netdevice                                                          | 0          | 2          |
| WARNING:at_net/core/dev.c:#__netdev_update_features                             | 0          | 2          |
| RIP:__netdev_update_features                                                    | 0          | 2          |
| WARNING:at_net/core/dev.c:#list_netdevice                                       | 0          | 2          |
| RIP:list_netdevice                                                              | 0          | 2          |
| WARNING:at_net/ipv4/devinet.c:#inetdev_init                                     | 0          | 2          |
| RIP:inetdev_init                                                                | 0          | 2          |
| WARNING:at_net/ipv4/igmp.c:#ip_mc_init_dev                                      | 0          | 2          |
| RIP:ip_mc_init_dev                                                              | 0          | 2          |
| WARNING:at_net/ipv6/addrconf.c:#ipv6_add_dev                                    | 0          | 2          |
| RIP:ipv6_add_dev                                                                | 0          | 2          |
| WARNING:at_net/ipv6/mcast.c:#__ipv6_dev_mc_inc                                  | 0          | 2          |
| RIP:__ipv6_dev_mc_inc                                                           | 0          | 2          |
| WARNING:at_net/mac80211/iface.c:#ieee80211_if_remove[mac80211]                  | 0          | 2          |
| RIP:ieee80211_if_remove[mac80211]                                               | 0          | 2          |
| WARNING:at_net/core/dev.c:#unregister_netdevice_queue                           | 0          | 2          |
| RIP:unregister_netdevice_queue                                                  | 0          | 2          |
| WARNING:at_net/ipv4/igmp.c:#ip_mc_down                                          | 0          | 2          |
| RIP:ip_mc_down                                                                  | 0          | 2          |
| WARNING:at_net/ipv4/igmp.c:#__ip_mc_dec_group                                   | 0          | 2          |
| RIP:__ip_mc_dec_group                                                           | 0          | 2          |
| WARNING:at_net/ipv6/addrconf.c:#addrconf_ifdown                                 | 0          | 2          |
| RIP:addrconf_ifdown                                                             | 0          | 2          |
| WARNING:at_net/ipv6/addrconf.c:#__ipv6_ifa_notify                               | 0          | 3          |
| RIP:__ipv6_ifa_notify                                                           | 0          | 3          |
| WARNING:at_net/ipv6/mcast.c:#__ipv6_dev_mc_dec                                  | 0          | 2          |
| RIP:__ipv6_dev_mc_dec                                                           | 0          | 2          |
| WARNING:at_net/core/dev.c:#unlist_netdevice                                     | 0          | 1          |
| RIP:unlist_netdevice                                                            | 0          | 1          |
| WARNING:at_net/sched/sch_api.c:#qdisc_hash_del                                  | 0          | 1          |
| RIP:qdisc_hash_del                                                              | 0          | 1          |
| WARNING:at_net/ipv4/igmp.c:#ip_mc_destroy_dev                                   | 0          | 1          |
| RIP:ip_mc_destroy_dev                                                           | 0          | 1          |
| WARNING:at_net/wireless/core.c:#__cfg80211_unregister_wdev[cfg80211]            | 0          | 1          |
| RIP:__cfg80211_unregister_wdev[cfg80211]                                        | 0          | 1          |
| WARNING:at_net/core/dev.c:#netdev_has_any_upper_dev                             | 0          | 1          |
| RIP:netdev_has_any_upper_dev                                                    | 0          | 1          |
| WARNING:at_net/core/dev.c:#rollback_registered_many                             | 0          | 2          |
| RIP:rollback_registered_many                                                    | 0          | 2          |
| WARNING:at_net/core/dev.c:#__dev_close_many                                     | 0          | 2          |
| RIP:__dev_close_many                                                            | 0          | 2          |
| BUG:soft_lockup-CPU##stuck_for#s                                                | 0          | 1          |
| RIP:find_next_bit                                                               | 0          | 1          |
| Kernel_panic-not_syncing:softlockup:hung_tasks                                  | 0          | 1          |
+---------------------------------------------------------------------------------+------------+------------+


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <redacted>


[  186.333346] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[  186.336318] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[  186.339612] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[  186.343633] cfg80211: failed to load regulatory.db
[  186.359277] ------------[ cut here ]------------
[  186.361527] RTNL: assertion failed at net/wireless/reg.c (306)
[  186.364166] WARNING: CPU: 0 PID: 4804 at net/wireless/reg.c:306 reset_regdomains+0xd5/0xe0 [cfg80211]
[  186.367388] Modules linked in: cfg80211 rfkill bochs_drm ttm sr_mod cdrom crct10dif_pclmul drm_kms_helper crc32_pclmul sg crc32c_intel ata_generic pata_acpi ghash_clmulni_intel ppdev syscopyarea sysfillrect sysimgblt fb_sys_fops snd_pcm drm ata_piix aesni_intel snd_timer snd crypto_simd libata cryptd glue_helper soundcore joydev pcspkr serio_raw parport_pc i2c_piix4 floppy parport ip_tables
[  186.378827] CPU: 0 PID: 4804 Comm: crda Not tainted 5.2.0-rc3-01111-gd8572a5 #1
[  186.381529] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[  186.384383] RIP: 0010:reset_regdomains+0xd5/0xe0 [cfg80211]
[  186.386829] Code: 33 07 09 00 00 0f 85 63 ff ff ff ba 32 01 00 00 48 c7 c6 40 9d 55 c0 48 c7 c7 68 9d 55 c0 c6 05 13 07 09 00 01 e8 eb fa 79 ea <0f> 0b e9 3d ff ff ff 0f 1f 40 00 66 66 66 66 90 48 8b 05 d4 26 08
[  186.392729] RSP: 0018:ffffb103c09bba38 EFLAGS: 00010282
[  186.395104] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  186.397792] RDX: ffff95233fc26d80 RSI: ffff95233fc17778 RDI: ffff95233fc17778
[  186.400389] RBP: ffff95227e894400 R08: 0000000000000459 R09: 0000000000aaaaaa
[  186.403046] R10: 0000000000000000 R11: ffff95227dd39e30 R12: ffff95227e894414
[  186.405696] R13: ffffffffc0556140 R14: 0000000000000000 R15: ffff95227e7ef9c8
[  186.408337] FS:  00007f157ef5cb40(0000) GS:ffff95233fc00000(0000) knlGS:0000000000000000
[  186.411470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  186.413856] CR2: 00005623bc744028 CR3: 000000008861e000 CR4: 00000000000406f0
[  186.416457] Call Trace:
[  186.418174]  set_regdom+0x2b0/0x430 [cfg80211]
[  186.420255]  nl80211_set_reg+0x290/0x2c0 [cfg80211]
[  186.422395]  genl_family_rcv_msg+0x203/0x400
[  186.424986]  ? __alloc_pages_nodemask+0x157/0x340
[  186.427159]  genl_rcv_msg+0x47/0x90
[  186.429001]  ? __kmalloc_node_track_caller+0x59/0x2a0
[  186.431140]  ? genl_family_rcv_msg+0x400/0x400
[  186.433207]  netlink_rcv_skb+0x4a/0x110
[  186.435092]  genl_rcv+0x24/0x40
[  186.436918]  netlink_unicast+0x193/0x230
[  186.438784]  netlink_sendmsg+0x2c1/0x3c0
[  186.440809]  sock_sendmsg+0x4c/0x50
[  186.442756]  ___sys_sendmsg+0x289/0x300
[  186.444825]  ? mem_cgroup_throttle_swaprate+0x20/0x160
[  186.447196]  ? do_anonymous_page+0x2f3/0x3f0
[  186.449197]  ? __seccomp_filter+0x96/0x6c0
[  186.451348]  ? __sys_sendmsg+0x5e/0xa0
[  186.453442]  __sys_sendmsg+0x5e/0xa0
[  186.455394]  do_syscall_64+0x5b/0x1e0
[  186.457454]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  186.459677] RIP: 0033:0x7f157e463dc7
[  186.461625] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb cd 66 0f 1f 44 00 00 8b 05 4a 49 2b 00 85 c0 75 2e 48 63 ff 48 63 d2 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 f0 2a 00 f7 d8 64 89 02 48
[  186.467465] RSP: 002b:00007ffd7f9d92d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  186.470182] RAX: ffffffffffffffda RBX: 00005623bc756010 RCX: 00007f157e463dc7
[  186.472725] RDX: 0000000000000000 RSI: 00007ffd7f9d9360 RDI: 0000000000000000
[  186.475275] RBP: 00005623bc755ef0 R08: 0000000000000000 R09: 00000000000000f0
[  186.477814] R10: 00000000000000ea R11: 0000000000000246 R12: 00005623bc756060
[  186.480547] R13: 00007ffd7f9d9360 R14: 00005623bc755c20 R15: 0000000000000008
[  186.484264] ---[ end trace 9a39044671a6e95d ]---
[  186.486521] ------------[ cut here ]------------
[  186.488449] RTNL: assertion failed at net/wireless/reg.c (2252)
[  186.491060] WARNING: CPU: 0 PID: 4804 at net/wireless/reg.c:2252 update_all_wiphy_regulatory+0x8a/0x90 [cfg80211]
[  186.495546] Modules linked in: cfg80211 rfkill bochs_drm ttm sr_mod cdrom crct10dif_pclmul drm_kms_helper crc32_pclmul sg crc32c_intel ata_generic pata_acpi ghash_clmulni_intel ppdev syscopyarea sysfillrect sysimgblt fb_sys_fops snd_pcm drm ata_piix aesni_intel snd_timer snd crypto_simd libata cryptd glue_helper soundcore joydev pcspkr serio_raw parport_pc i2c_piix4 floppy parport ip_tables
[  186.506468] CPU: 0 PID: 4804 Comm: crda Tainted: G        W         5.2.0-rc3-01111-gd8572a5 #1
[  186.509258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[  186.512042] RIP: 0010:update_all_wiphy_regulatory+0x8a/0x90 [cfg80211]
[  186.514585] Code: 7b ea 80 3d d5 e3 08 00 00 75 a7 ba cc 08 00 00 48 c7 c6 40 9d 55 c0 48 c7 c7 68 9d 55 c0 c6 05 b9 e3 08 00 01 e8 96 d7 79 ea <0f> 0b eb 84 66 90 66 66 66 66 90 41 55 41 54 55 53 48 89 fb 8b 6f
[  186.520426] RSP: 0018:ffffb103c09bba38 EFLAGS: 00010282
[  186.522651] RAX: 0000000000000000 RBX: ffff95227e894400 RCX: 0000000000000000
[  186.525202] RDX: ffff95233fc26d80 RSI: ffff95233fc17778 RDI: ffff95233fc17778
[  186.527808] RBP: 0000000000000000 R08: 0000000000000488 R09: 0000000000aaaaaa
[  186.530318] R10: 0000000000000000 R11: ffff95227dd38b70 R12: 0000000000000000
[  186.533247] R13: ffffffffc0556140 R14: 0000000000000000 R15: ffff95227e7ef9c8
[  186.535818] FS:  00007f157ef5cb40(0000) GS:ffff95233fc00000(0000) knlGS:0000000000000000
[  186.538591] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  186.540959] CR2: 00005623bc744028 CR3: 000000008861e000 CR4: 00000000000406f0
[  186.543642] Call Trace:
[  186.545460]  set_regdom+0x149/0x430 [cfg80211]
[  186.547596]  nl80211_set_reg+0x290/0x2c0 [cfg80211]
[  186.549758]  genl_family_rcv_msg+0x203/0x400
[  186.551913]  ? __alloc_pages_nodemask+0x157/0x340
[  186.554053]  genl_rcv_msg+0x47/0x90
[  186.556085]  ? __kmalloc_node_track_caller+0x59/0x2a0
[  186.558417]  ? genl_family_rcv_msg+0x400/0x400
[  186.560609]  netlink_rcv_skb+0x4a/0x110
[  186.562710]  genl_rcv+0x24/0x40
[  186.564712]  netlink_unicast+0x193/0x230
[  186.566835]  netlink_sendmsg+0x2c1/0x3c0
[  186.568847]  sock_sendmsg+0x4c/0x50
[  186.570935]  ___sys_sendmsg+0x289/0x300
[  186.572994]  ? mem_cgroup_throttle_swaprate+0x20/0x160
[  186.575196]  ? do_anonymous_page+0x2f3/0x3f0
[  186.577419]  ? __seccomp_filter+0x96/0x6c0
[  186.579439]  ? __sys_sendmsg+0x5e/0xa0
[  186.581528]  __sys_sendmsg+0x5e/0xa0
[  186.583526]  do_syscall_64+0x5b/0x1e0
[  186.585418]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  186.587625] RIP: 0033:0x7f157e463dc7
[  186.589610] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb cd 66 0f 1f 44 00 00 8b 05 4a 49 2b 00 85 c0 75 2e 48 63 ff 48 63 d2 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 f0 2a 00 f7 d8 64 89 02 48
[  186.595368] RSP: 002b:00007ffd7f9d92d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  186.598376] RAX: ffffffffffffffda RBX: 00005623bc756010 RCX: 00007f157e463dc7
[  186.601001] RDX: 0000000000000000 RSI: 00007ffd7f9d9360 RDI: 0000000000000000
[  186.603656] RBP: 00005623bc755ef0 R08: 0000000000000000 R09: 00000000000000f0
[  186.606129] R10: 00000000000000ea R11: 0000000000000246 R12: 00005623bc756060
[  186.608590] R13: 00007ffd7f9d9360 R14: 00005623bc755c20 R15: 0000000000000008
[  186.614598] ---[ end trace 9a39044671a6e95e ]---
[  186.749954] mac80211_hwsim: initializing netlink
[  186.777079] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'


To reproduce:

        # build kernel
	cd linux
	cp config-5.2.0-rc3-01111-gd8572a5 .config
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 prepare
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 modules_prepare
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 SHELL=/bin/bash
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 bzImage


        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email



Thanks,
Rong Chen