Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. syzkaller login: [ 59.339159][ T6873] IPVS: ftp: loaded support on port[0] = 21 [ 59.435544][ T7] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.447460][ T7] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.475013][ T6863] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 59.508389][ T7] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.516424][ T7] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.524824][ T6863] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.539755][ T7] ------------[ cut here ]------------ [ 59.545565][ T7] WARNING: CPU: 1 PID: 7 at net/mac80211/sta_info.c:529 sta_info_insert_rcu+0x27a/0x2ba0 [ 59.557274][ T7] Kernel panic - not syncing: panic_on_warn set ... [ 59.563863][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.9.0-rc6-syzkaller #0 [ 59.571987][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.582036][ T7] Workqueue: phy4 ieee80211_iface_work [ 59.587472][ T7] Call Trace: [ 59.590742][ T7] dump_stack+0x198/0x1fd [ 59.595064][ T7] panic+0x382/0x7fb [ 59.598958][ T7] ? __warn_printk+0xf3/0xf3 [ 59.603545][ T7] ? printk+0xba/0xed [ 59.607504][ T7] ? log_store.cold+0x16/0x16 [ 59.612174][ T7] ? __warn.cold+0x5/0x4b [ 59.616489][ T7] ? __warn+0xd6/0x1f2 [ 59.620550][ T7] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 59.625902][ T7] __warn.cold+0x20/0x4b [ 59.630136][ T7] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 59.635487][ T7] report_bug+0x1bd/0x210 [ 59.639800][ T7] handle_bug+0x38/0x90 [ 59.643946][ T7] exc_invalid_op+0x14/0x40 [ 59.648439][ T7] asm_exc_invalid_op+0x12/0x20 [ 59.653277][ T7] RIP: 0010:sta_info_insert_rcu+0x27a/0x2ba0 [ 59.659322][ T7] Code: 24 e8 4a 62 b6 f9 0f b6 85 50 ff ff ff 31 ff 83 e0 01 41 89 c7 89 c6 e8 54 5e b6 f9 45 84 ff 0f 84 c5 00 00 00 e8 26 62 b6 f9 <0f> 0b 41 bd ea ff ff ff e8 19 62 b6 f9 48 8b bd 30 ff ff ff e8 fd [ 59.678908][ T7] RSP: 0018:ffffc90000cdf958 EFLAGS: 00010293 [ 59.684972][ T7] RAX: 0000000000000000 RBX: ffff888091f2cc00 RCX: ffffffff87bfdc0c [ 59.692925][ T7] RDX: ffff8880a95c61c0 RSI: ffffffff87bfdc1a RDI: 0000000000000001 [ 59.700890][ T7] RBP: ffffc90000cdfaa0 R08: 0000000000000000 R09: ffff888091f2d25f [ 59.708862][ T7] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000091cffce7 [ 59.716814][ T7] R13: ffff8880a925c048 R14: ffff8880a925c000 R15: 0000000000000001 [ 59.724792][ T7] ? sta_info_insert_rcu+0x26c/0x2ba0 [ 59.730143][ T7] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 59.735499][ T7] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 59.740872][ T7] ? find_held_lock+0x2d/0x110 [ 59.745623][ T7] ? rate_control_rate_init+0x2d3/0x5b0 [ 59.751158][ T7] ? sta_info_alloc+0x1f90/0x1f90 [ 59.756165][ T7] ? __local_bh_enable_ip+0x10f/0x1f0 [ 59.761618][ T7] ? rate_control_rate_init+0x2bb/0x5b0 [ 59.767151][ T7] ? rate_control_rate_init+0x306/0x5b0 [ 59.772689][ T7] ieee80211_ibss_finish_sta+0x212/0x390 [ 59.778306][ T7] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 59.784350][ T7] ? __local_bh_enable_ip+0x10f/0x1f0 [ 59.789702][ T7] ? check_preemption_disabled+0x50/0x130 [ 59.795425][ T7] ? __local_bh_enable_ip+0x10f/0x1f0 [ 59.800789][ T7] ? ieee80211_ibss_work+0x2bf/0xe80 [ 59.806054][ T7] ieee80211_ibss_work+0x2c7/0xe80 [ 59.811149][ T7] ? mark_lock+0x82/0x1660 [ 59.815554][ T7] ? ieee80211_ibss_rx_queued_mgmt+0x1640/0x1640 [ 59.821873][ T7] ? mark_held_locks+0x9f/0xe0 [ 59.826625][ T7] ? check_preemption_disabled+0x50/0x130 [ 59.832344][ T7] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 59.838145][ T7] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 59.844131][ T7] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 59.849925][ T7] ? lockdep_hardirqs_on+0x53/0x100 [ 59.855111][ T7] ? _raw_spin_unlock_irqrestore+0x5c/0x90 [ 59.860910][ T7] ieee80211_iface_work+0x7d2/0x8f0 [ 59.866109][ T7] process_one_work+0x94c/0x1670 [ 59.871088][ T7] ? lock_release+0x8f0/0x8f0 [ 59.875751][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 59.881105][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 59.886022][ T7] ? lockdep_hardirqs_off+0x96/0xd0 [ 59.891215][ T7] worker_thread+0x64c/0x1120 [ 59.895875][ T7] ? process_one_work+0x1670/0x1670 [ 59.901052][ T7] kthread+0x3b5/0x4a0 [ 59.905101][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 59.910194][ T7] ret_from_fork+0x1f/0x30 [ 59.915642][ T7] Kernel Offset: disabled [ 59.920009][ T7] Rebooting in 86400 seconds..