IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready WARNING: CPU: 1 PID: 8060 at net/mac80211/offchannel.c:419 ieee80211_start_next_roc+0x1ed/0x240 net/mac80211/offchannel.c:419 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8060 Comm: kworker/u4:6 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy8 ieee80211_scan_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:ieee80211_start_next_roc+0x1ed/0x240 net/mac80211/offchannel.c:419 Code: 98 16 00 00 48 89 ef 48 89 c2 e8 0e ec 0a 00 5b 5d e9 17 0e c9 f9 e8 12 0e c9 f9 48 89 ef e8 7a 6c ff ff eb 94 e8 03 0e c9 f9 <0f> 0b eb 8b e8 9a e8 fe f9 e9 be fe ff ff 48 c7 c7 60 f1 45 8a e8 RSP: 0018:ffff888092bdfb88 EFLAGS: 00010293 RAX: ffff8880b007c2c0 RBX: 0000000000000001 RCX: ffffffff8799768d RDX: 0000000000000000 RSI: ffffffff8799776d RDI: 0000000000000001 RBP: ffff888092831bc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: dffffc0000000000 R15: ffff888092832aa0 __ieee80211_scan_completed+0x571/0x1690 net/mac80211/scan.c:442 ieee80211_scan_work+0x3be/0x19b0 net/mac80211/scan.c:1022 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Kernel Offset: disabled Rebooting in 86400 seconds..