[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. syzkaller login: [ 61.622525][ T6874] IPVS: ftp: loaded support on port[0] = 21 [ 61.727366][ T21] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.740475][ T21] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.759712][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 61.778384][ T4321] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.786291][ T4321] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.795808][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.819983][ T21] ------------[ cut here ]------------ [ 61.825604][ T21] WARNING: CPU: 0 PID: 21 at net/mac80211/sta_info.c:529 sta_info_insert_rcu+0x27a/0x2ba0 [ 61.839333][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 61.846052][ T21] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.9.0-rc6-syzkaller #0 [ 61.854374][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.864423][ T21] Workqueue: phy4 ieee80211_iface_work [ 61.869870][ T21] Call Trace: [ 61.873149][ T21] dump_stack+0x198/0x1fd [ 61.877466][ T21] panic+0x382/0x7fb [ 61.881355][ T21] ? __warn_printk+0xf3/0xf3 [ 61.885946][ T21] ? printk+0xba/0xed [ 61.889911][ T21] ? log_store.cold+0x16/0x16 [ 61.894572][ T21] ? __warn.cold+0x5/0x4b [ 61.898882][ T21] ? __warn+0xd6/0x1f2 [ 61.902947][ T21] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 61.908394][ T21] __warn.cold+0x20/0x4b [ 61.912620][ T21] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 61.917973][ T21] report_bug+0x1bd/0x210 [ 61.922297][ T21] handle_bug+0x38/0x90 [ 61.926443][ T21] exc_invalid_op+0x14/0x40 [ 61.930929][ T21] asm_exc_invalid_op+0x12/0x20 [ 61.935776][ T21] RIP: 0010:sta_info_insert_rcu+0x27a/0x2ba0 [ 61.941823][ T21] Code: 24 e8 6a 60 b8 f9 0f b6 85 50 ff ff ff 31 ff 83 e0 01 41 89 c7 89 c6 e8 74 5c b8 f9 45 84 ff 0f 84 c5 00 00 00 e8 46 60 b8 f9 <0f> 0b 41 bd ea ff ff ff e8 39 60 b8 f9 48 8b bd 30 ff ff ff e8 1d [ 61.961422][ T21] RSP: 0018:ffffc90000dd7958 EFLAGS: 00010293 [ 61.967518][ T21] RAX: 0000000000000000 RBX: ffff888088b50c00 RCX: ffffffff87bdddec [ 61.975490][ T21] RDX: ffff8880a900e580 RSI: ffffffff87bdddfa RDI: 0000000000000001 [ 61.983459][ T21] RBP: ffffc90000dd7aa0 R08: 0000000000000000 R09: ffff888088b5125f [ 61.991425][ T21] R10: 0000000000000000 R11: 1ffffffff1992de2 R12: 00000000b4d07db5 [ 62.000001][ T21] R13: ffff88809182a048 R14: ffff88809182a000 R15: 0000000000000001 [ 62.007989][ T21] ? sta_info_insert_rcu+0x26c/0x2ba0 [ 62.013344][ T21] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 62.018710][ T21] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 62.024160][ T21] ? find_held_lock+0x2d/0x110 [ 62.028906][ T21] ? rate_control_rate_init+0x2d3/0x5b0 [ 62.034434][ T21] ? sta_info_alloc+0x1f90/0x1f90 [ 62.039447][ T21] ? __local_bh_enable_ip+0x10f/0x1f0 [ 62.044808][ T21] ? rate_control_rate_init+0x2bb/0x5b0 [ 62.050346][ T21] ? rate_control_rate_init+0x306/0x5b0 [ 62.055887][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 62.061505][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 62.067568][ T21] ? mark_lock+0x82/0x1660 [ 62.071988][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 62.077091][ T21] ? mark_lock+0x82/0x1660 [ 62.081512][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1640/0x1640 [ 62.087851][ T21] ? mark_held_locks+0x9f/0xe0 [ 62.093748][ T21] ? check_preemption_disabled+0x50/0x130 [ 62.099455][ T21] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 62.105259][ T21] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 62.111236][ T21] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 62.117415][ T21] ? lockdep_hardirqs_on+0x53/0x100 [ 62.122860][ T21] ? _raw_spin_unlock_irqrestore+0x5c/0x90 [ 62.128766][ T21] ieee80211_iface_work+0x7d2/0x8f0 [ 62.133961][ T21] process_one_work+0x94c/0x1670 [ 62.138904][ T21] ? lock_release+0x8f0/0x8f0 [ 62.143920][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 62.149281][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 62.154831][ T21] ? lockdep_hardirqs_off+0x96/0xd0 [ 62.160033][ T21] worker_thread+0x64c/0x1120 [ 62.164717][ T21] ? process_one_work+0x1670/0x1670 [ 62.169897][ T21] kthread+0x3b5/0x4a0 [ 62.173958][ T21] ? __kthread_bind_mask+0xc0/0xc0 [ 62.179076][ T21] ret_from_fork+0x1f/0x30 [ 62.184860][ T21] Kernel Offset: disabled [ 62.189248][ T21] Rebooting in 86400 seconds..