IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth1_vlan entered promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7444 at net/wireless/reg.c:415 is_user_regdom_saved net/wireless/reg.c:413 [inline] WARNING: CPU: 1 PID: 7444 at net/wireless/reg.c:415 restore_alpha2 net/wireless/reg.c:2471 [inline] WARNING: CPU: 1 PID: 7444 at net/wireless/reg.c:415 restore_regulatory_settings+0x8f6/0xed0 net/wireless/reg.c:2563 Unexpected user alpha2: Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7444 Comm: kworker/1:2 Not tainted 4.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_power_efficient crda_timeout_work 1ffffffff0dd577e ffff8800b5207920 ffffffff82c7f386 ffffffff85e84380 ffff8800b52079f8 ffffffff86741040 ffffffff85658776 ffff8800b52079e8 ffffffff81614a3e 0000000041b58ab3 ffffffff86afff74 ffffffff8161488f Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xe6/0x120 lib/dump_stack.c:51 [] panic+0x1af/0x348 kernel/panic.c:152 [] __warn+0x18d/0x1b0 kernel/panic.c:504 [] warn_slowpath_fmt+0x92/0xb0 kernel/panic.c:527 [] is_user_regdom_saved net/wireless/reg.c:413 [inline] [] restore_alpha2 net/wireless/reg.c:2471 [inline] [] restore_regulatory_settings+0x8f6/0xed0 net/wireless/reg.c:2563 [] crda_timeout_work+0x1a/0x30 net/wireless/reg.c:540 [] process_one_work+0x69b/0x1570 kernel/workqueue.c:2122 [] worker_thread+0xd7/0xf10 kernel/workqueue.c:2256 [] kthread+0x209/0x2d0 kernel/kthread.c:209 [] ret_from_fork+0x22/0x50 arch/x86/entry/entry_64.S:392 Kernel Offset: disabled