Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. syzkaller login: [ 58.960884][ T6896] IPVS: ftp: loaded support on port[0] = 21 [ 59.043644][ T141] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.055766][ T141] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.085345][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.113003][ T141] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.120935][ T141] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 59.138281][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.153951][ T69] ------------[ cut here ]------------ [ 59.160061][ T69] WARNING: CPU: 0 PID: 69 at net/mac80211/sta_info.c:529 sta_info_insert_rcu+0x27a/0x2ba0 [ 59.170953][ T69] Kernel panic - not syncing: panic_on_warn set ... [ 59.177555][ T69] CPU: 0 PID: 69 Comm: kworker/u4:3 Not tainted 5.9.0-rc6-syzkaller #0 [ 59.186571][ T69] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.196715][ T69] Workqueue: phy4 ieee80211_iface_work [ 59.202209][ T69] Call Trace: [ 59.205499][ T69] dump_stack+0x198/0x1fd [ 59.209811][ T69] panic+0x382/0x7fb [ 59.213704][ T69] ? __warn_printk+0xf3/0xf3 [ 59.218293][ T69] ? printk+0xba/0xed [ 59.222253][ T69] ? log_store.cold+0x16/0x16 [ 59.226911][ T69] ? __warn.cold+0x5/0x4b [ 59.231217][ T69] ? __warn+0xd6/0x1f2 [ 59.235268][ T69] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 59.240633][ T69] __warn.cold+0x20/0x4b [ 59.244874][ T69] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 59.250226][ T69] report_bug+0x1bd/0x210 [ 59.254552][ T69] handle_bug+0x38/0x90 [ 59.258687][ T69] exc_invalid_op+0x14/0x40 [ 59.263183][ T69] asm_exc_invalid_op+0x12/0x20 [ 59.268015][ T69] RIP: 0010:sta_info_insert_rcu+0x27a/0x2ba0 [ 59.273992][ T69] Code: 24 e8 3a 63 b6 f9 0f b6 85 50 ff ff ff 31 ff 83 e0 01 41 89 c7 89 c6 e8 44 5f b6 f9 45 84 ff 0f 84 c5 00 00 00 e8 16 63 b6 f9 <0f> 0b 41 bd ea ff ff ff e8 09 63 b6 f9 48 8b bd 30 ff ff ff e8 ed [ 59.293575][ T69] RSP: 0018:ffffc90000fe7958 EFLAGS: 00010293 [ 59.299816][ T69] RAX: 0000000000000000 RBX: ffff88809330cc00 RCX: ffffffff87bfdb1c [ 59.307768][ T69] RDX: ffff8880a933a580 RSI: ffffffff87bfdb2a RDI: 0000000000000001 [ 59.315867][ T69] RBP: ffffc90000fe7aa0 R08: 0000000000000000 R09: ffff88809330d25f [ 59.323844][ T69] R10: 0000000000000000 R11: 1ffffffff19904dc R12: 00000000500177e9 [ 59.331885][ T69] R13: ffff88808b4b6048 R14: ffff88808b4b6000 R15: 0000000000000001 [ 59.339908][ T69] ? sta_info_insert_rcu+0x26c/0x2ba0 [ 59.345288][ T69] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 59.350662][ T69] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 59.356188][ T69] ? find_held_lock+0x2d/0x110 [ 59.360957][ T69] ? rate_control_rate_init+0x2d3/0x5b0 [ 59.366491][ T69] ? sta_info_alloc+0x1f90/0x1f90 [ 59.371597][ T69] ? __local_bh_enable_ip+0x10f/0x1f0 [ 59.376947][ T69] ? rate_control_rate_init+0x2bb/0x5b0 [ 59.382563][ T69] ? rate_control_rate_init+0x306/0x5b0 [ 59.388093][ T69] ieee80211_ibss_finish_sta+0x212/0x390 [ 59.393720][ T69] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 59.399776][ T69] ? __local_bh_enable_ip+0x10f/0x1f0 [ 59.405130][ T69] ? check_preemption_disabled+0x50/0x130 [ 59.410828][ T69] ? __local_bh_enable_ip+0x10f/0x1f0 [ 59.416177][ T69] ? ieee80211_ibss_work+0x2bf/0xe80 [ 59.421444][ T69] ieee80211_ibss_work+0x2c7/0xe80 [ 59.426542][ T69] ? mark_lock+0x82/0x1660 [ 59.430939][ T69] ? ieee80211_ibss_rx_queued_mgmt+0x1640/0x1640 [ 59.437366][ T69] ? mark_held_locks+0x9f/0xe0 [ 59.442180][ T69] ? check_preemption_disabled+0x50/0x130 [ 59.447879][ T69] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 59.453719][ T69] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 59.459679][ T69] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 59.465578][ T69] ? lockdep_hardirqs_on+0x53/0x100 [ 59.470772][ T69] ? _raw_spin_unlock_irqrestore+0x5c/0x90 [ 59.476579][ T69] ieee80211_iface_work+0x7d2/0x8f0 [ 59.481765][ T69] process_one_work+0x94c/0x1670 [ 59.486700][ T69] ? lock_release+0x8f0/0x8f0 [ 59.491473][ T69] ? pwq_dec_nr_in_flight+0x320/0x320 [ 59.496844][ T69] ? rwlock_bug.part.0+0x90/0x90 [ 59.501761][ T69] ? lockdep_hardirqs_off+0x96/0xd0 [ 59.506956][ T69] worker_thread+0x64c/0x1120 [ 59.511625][ T69] ? process_one_work+0x1670/0x1670 [ 59.516803][ T69] kthread+0x3b5/0x4a0 [ 59.520847][ T69] ? __kthread_bind_mask+0xc0/0xc0 [ 59.525967][ T69] ret_from_fork+0x1f/0x30 [ 59.532285][ T69] Kernel Offset: disabled [ 59.536663][ T69] Rebooting in 86400 seconds..