wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ------------[ cut here ]------------ WARNING: CPU: 0 PID: 715 at net/mac80211/ibss.c:506 ieee80211_ibss_csa_beacon+0x523/0x670 net/mac80211/ibss.c:506 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 715 Comm: kworker/u4:3 Not tainted 4.14.204-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy3 ieee80211_csa_finalize_work Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:ieee80211_ibss_csa_beacon+0x523/0x670 net/mac80211/ibss.c:506 RSP: 0018:ffff8880b4097ca0 EFLAGS: 00010297 RAX: ffff8880b4044440 RBX: ffff888094155b40 RCX: 1ffff110168089b1 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b4044cc4 RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888094156630 R14: ffff888094bb9160 R15: ffff888094156068 ieee80211_set_after_csa_beacon net/mac80211/cfg.c:2909 [inline] __ieee80211_csa_finalize+0x677/0xca0 net/mac80211/cfg.c:2965 ieee80211_csa_finalize net/mac80211/cfg.c:2988 [inline] ieee80211_csa_finalize_work+0x105/0x130 net/mac80211/cfg.c:3013 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Kernel Offset: disabled Rebooting in 86400 seconds..