wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2835 at net/wireless/ibss.c:36 __cfg80211_ibss_joined+0x341/0x420 net/wireless/ibss.c:47 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 2835 Comm: kworker/u4:4 Not tainted 4.14.208-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: cfg80211 cfg80211_event_work Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14b/0x1f1 lib/dump_stack.c:58 panic+0x1b0/0x358 kernel/panic.c:183 __warn.cold.7+0x25/0x2c kernel/panic.c:547 report_bug+0x1a4/0x1f3 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] do_error_trap+0x1bd/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:__cfg80211_ibss_joined+0x341/0x420 net/wireless/ibss.c:36 RSP: 0018:ffff8880aa45fc00 EFLAGS: 00010246 RAX: 0000000000000002 RBX: ffff88808ee66990 RCX: 1ffff11015573964 RDX: 1ffffffff0fe2bc3 RSI: ffff8880aab9cb00 RDI: ffffffff87f15e18 RBP: ffff8880aa45fca0 R08: ffff8880aab9cb20 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1101548bf82 R13: ffff88808ee65ec0 R14: ffff8880ab32f518 R15: 0000000000000000 cfg80211_process_wdev_events+0x1c7/0x4f0 net/wireless/util.c:961 cfg80211_process_rdev_events+0x59/0x90 net/wireless/util.c:984 cfg80211_event_work+0x19/0x30 net/wireless/core.c:305 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116 worker_thread+0xcc/0xed0 kernel/workqueue.c:2250 kthread+0x338/0x400 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Kernel Offset: disabled Rebooting in 86400 seconds..