[ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 38.667312] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.362110] WARNING: CPU: 0 PID: 10146 at net/mac80211/offchannel.c:419 ieee80211_start_next_roc+0x1ed/0x240 [ 49.372474] Kernel panic - not syncing: panic_on_warn set ... [ 49.372474] [ 49.379915] CPU: 0 PID: 10146 Comm: syz-executor197 Not tainted 4.19.176-syzkaller #0 [ 49.387903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.397950] Call Trace: [ 49.400693] dump_stack+0x1fc/0x2ef [ 49.404505] panic+0x26a/0x50e [ 49.407708] ? __warn_printk+0xf3/0xf3 [ 49.411774] ? ieee80211_start_next_roc+0x1ed/0x240 [ 49.416808] ? __probe_kernel_read+0x130/0x1b0 [ 49.421832] ? __warn.cold+0x5/0x5a [ 49.425496] ? __warn+0xe4/0x200 [ 49.428857] ? ieee80211_start_next_roc+0x1ed/0x240 [ 49.433862] __warn.cold+0x20/0x5a [ 49.437505] ? ieee80211_start_next_roc+0x1ed/0x240 [ 49.442518] report_bug+0x262/0x2b0 [ 49.446154] do_error_trap+0x1d7/0x310 [ 49.450040] ? math_error+0x310/0x310 [ 49.454356] ? __mutex_lock+0x3a8/0x1260 [ 49.458499] ? error_entry+0x72/0xd0 [ 49.462380] ? trace_hardirqs_off_caller+0x6e/0x210 [ 49.467507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.472440] invalid_op+0x14/0x20 [ 49.476501] RIP: 0010:ieee80211_start_next_roc+0x1ed/0x240 [ 49.482390] Code: 98 16 00 00 48 89 ef 48 89 c2 e8 2e e2 0a 00 5b 5d e9 67 bd cb f9 e8 62 bd cb f9 48 89 ef e8 7a 6c ff ff eb 94 e8 53 bd cb f9 <0f> 0b eb 8b e8 da 6e 01 fa e9 be fe ff ff 48 c7 c7 20 cd 45 8a e8 [ 49.503105] RSP: 0018:ffff8880a2617468 EFLAGS: 00010293 [ 49.508544] RAX: ffff88809f912180 RBX: 0000000000000001 RCX: ffffffff8796a0ed [ 49.515804] RDX: 0000000000000000 RSI: ffffffff8796a1cd RDI: 0000000000000001 [ 49.523076] RBP: ffff888238728c20 R08: 0000000000000001 R09: 0000000000000000 [ 49.530331] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 49.537591] R13: 0000000000000001 R14: dffffc0000000000 R15: ffff888238729b00 [ 49.544888] ? ieee80211_start_next_roc+0x10d/0x240 [ 49.549897] ? ieee80211_start_next_roc+0x1ed/0x240 [ 49.554909] ? ieee80211_start_next_roc+0x1ed/0x240 [ 49.560622] __ieee80211_scan_completed+0x571/0x1690 [ 49.565898] ? sync_rcu_exp_select_cpus+0x820/0x820 [ 49.571520] ieee80211_scan_cancel+0x340/0x940 [ 49.576111] ieee80211_do_stop+0x18c6/0x1ff0 [ 49.580603] ? cond_synchronize_rcu+0x20/0x20 [ 49.585093] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 49.590300] ? ieee80211_adjust_monitor_flags+0x230/0x230 [ 49.595833] ieee80211_if_change_type+0x2b8/0x6a0 [ 49.600686] ieee80211_change_iface+0x26/0x220 [ 49.605296] cfg80211_change_iface+0x2e1/0x1530 [ 49.610112] nl80211_set_interface+0x661/0x830 [ 49.615045] ? nl80211_nan_del_func+0x8b0/0x8b0 [ 49.619703] ? nl80211_dump_interface+0x6e0/0x6e0 [ 49.624535] ? nl80211_pre_doit+0xa2/0x620 [ 49.628769] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 49.633958] genl_family_rcv_msg+0x642/0xc40 [ 49.638475] ? genl_rcv+0x40/0x40 [ 49.642036] ? genl_rcv_msg+0x12f/0x160 [ 49.646005] ? __mutex_add_waiter+0x160/0x160 [ 49.650494] ? __radix_tree_lookup+0x216/0x370 [ 49.656419] genl_rcv_msg+0xbf/0x160 [ 49.660136] netlink_rcv_skb+0x160/0x440 [ 49.664189] ? genl_family_rcv_msg+0xc40/0xc40 [ 49.670237] ? netlink_ack+0xae0/0xae0 [ 49.674724] ? genl_rcv+0x15/0x40 [ 49.678164] genl_rcv+0x24/0x40 [ 49.681481] netlink_unicast+0x4d5/0x690 [ 49.685623] ? netlink_sendskb+0x110/0x110 [ 49.689856] ? _copy_from_iter_full+0x229/0x7c0 [ 49.694527] ? __phys_addr_symbol+0x2c/0x70 [ 49.698846] ? __check_object_size+0x17b/0x3e0 [ 49.703441] netlink_sendmsg+0x6bb/0xc40 [ 49.707505] ? aa_af_perm+0x230/0x230 [ 49.711303] ? nlmsg_notify+0x1a0/0x1a0 [ 49.715290] ? nlmsg_notify+0x1a0/0x1a0 [ 49.719261] sock_sendmsg+0xc3/0x120 [ 49.722975] __sys_sendto+0x21a/0x320 [ 49.726835] ? __ia32_sys_getpeername+0xb0/0xb0 [ 49.731494] ? debug_object_active_state+0x254/0x330 [ 49.736593] ? lock_acquire+0x170/0x3c0 [ 49.740839] ? task_work_run+0x64/0x1c0 [ 49.745465] ? blkcg_schedule_throttle+0x1f0/0x1f0 [ 49.750447] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 49.755040] ? _raw_spin_unlock_irq+0x5a/0x80 [ 49.759608] ? task_work_run+0x126/0x1c0 [ 49.763678] __x64_sys_sendto+0xdd/0x1b0 [ 49.767782] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 49.772379] do_syscall_64+0xf9/0x620 [ 49.776180] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.781357] RIP: 0033:0x40742c [ 49.784721] Code: 9a fb ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 c0 fb ff ff 48 8b [ 49.803880] RSP: 002b:00007fdde5904190 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 49.812117] RAX: ffffffffffffffda RBX: 00007fdde5904280 RCX: 000000000040742c [ 49.819464] RDX: 0000000000000024 RSI: 00007fdde59042d0 RDI: 000000000000000b [ 49.826743] RBP: 0000000000000000 R08: 00007fdde59041e4 R09: 000000000000000c [ 49.834357] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 49.841701] R13: 00007fdde59042d0 R14: 000000000000000b R15: 0000000000000000 [ 49.849167] Kernel Offset: disabled [ 49.852830] Rebooting in 86400 seconds..