Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.37' (ECDSA) to the list of known hosts. syzkaller login: [ 61.588586][ T6900] IPVS: ftp: loaded support on port[0] = 21 [ 61.668157][ T44] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.682553][ T44] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.702483][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 61.724980][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.732892][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.741999][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.769124][ T26] ------------[ cut here ]------------ [ 61.783078][ T26] WARNING: CPU: 0 PID: 26 at net/mac80211/sta_info.c:529 sta_info_insert_rcu+0x27a/0x2ba0 [ 61.793654][ T26] Kernel panic - not syncing: panic_on_warn set ... [ 61.800251][ T26] CPU: 0 PID: 26 Comm: kworker/u4:2 Not tainted 5.9.0-rc6-syzkaller #0 [ 61.808464][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.818502][ T26] Workqueue: phy3 ieee80211_iface_work [ 61.823991][ T26] Call Trace: [ 61.827259][ T26] dump_stack+0x198/0x1fd [ 61.831582][ T26] panic+0x382/0x7fb [ 61.835554][ T26] ? __warn_printk+0xf3/0xf3 [ 61.840120][ T26] ? printk+0xba/0xed [ 61.844098][ T26] ? log_store.cold+0x16/0x16 [ 61.848752][ T26] ? __warn.cold+0x5/0x4b [ 61.853058][ T26] ? __warn+0xd6/0x1f2 [ 61.857106][ T26] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 61.862454][ T26] __warn.cold+0x20/0x4b [ 61.866676][ T26] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 61.872025][ T26] report_bug+0x1bd/0x210 [ 61.876337][ T26] handle_bug+0x38/0x90 [ 61.880468][ T26] exc_invalid_op+0x14/0x40 [ 61.884953][ T26] asm_exc_invalid_op+0x12/0x20 [ 61.889787][ T26] RIP: 0010:sta_info_insert_rcu+0x27a/0x2ba0 [ 61.895744][ T26] Code: 24 e8 0a 0f a9 f9 0f b6 85 50 ff ff ff 31 ff 83 e0 01 41 89 c7 89 c6 e8 14 0b a9 f9 45 84 ff 0f 84 c5 00 00 00 e8 e6 0e a9 f9 <0f> 0b 41 bd ea ff ff ff e8 d9 0e a9 f9 48 8b bd 30 ff ff ff e8 ad [ 61.915324][ T26] RSP: 0018:ffffc90000e27958 EFLAGS: 00010293 [ 61.921381][ T26] RAX: 0000000000000000 RBX: ffff88808afc8c00 RCX: ffffffff87cd765c [ 61.929331][ T26] RDX: ffff8880a9064100 RSI: ffffffff87cd766a RDI: 0000000000000001 [ 61.937322][ T26] RBP: ffffc90000e27aa0 R08: 0000000000000000 R09: ffff88808afc925f [ 61.945270][ T26] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000bd723777 [ 61.953227][ T26] R13: ffff888091be6048 R14: ffff888091be6000 R15: 0000000000000001 [ 61.961190][ T26] ? sta_info_insert_rcu+0x26c/0x2ba0 [ 61.966554][ T26] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 61.971976][ T26] ? sta_info_insert_rcu+0x27a/0x2ba0 [ 61.977345][ T26] ? find_held_lock+0x2d/0x110 [ 61.982146][ T26] ? rate_control_rate_init+0x2d3/0x5b0 [ 61.987680][ T26] ? sta_info_alloc+0x1f90/0x1f90 [ 61.992684][ T26] ? __local_bh_enable_ip+0x10f/0x1f0 [ 61.998036][ T26] ? rate_control_rate_init+0x2bb/0x5b0 [ 62.003566][ T26] ? rate_control_rate_init+0x306/0x5b0 [ 62.009093][ T26] ieee80211_ibss_finish_sta+0x212/0x390 [ 62.014813][ T26] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 62.020855][ T26] ? __local_bh_enable_ip+0x10f/0x1f0 [ 62.026204][ T26] ? check_preemption_disabled+0x50/0x130 [ 62.031900][ T26] ? __local_bh_enable_ip+0x10f/0x1f0 [ 62.037267][ T26] ? ieee80211_ibss_work+0x2bf/0xe80 [ 62.042530][ T26] ieee80211_ibss_work+0x2c7/0xe80 [ 62.047641][ T26] ? mark_lock+0x82/0x1660 [ 62.052043][ T26] ? ieee80211_ibss_rx_queued_mgmt+0x1640/0x1640 [ 62.058361][ T26] ? mark_held_locks+0x9f/0xe0 [ 62.063103][ T26] ? check_preemption_disabled+0x50/0x130 [ 62.068800][ T26] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 62.074600][ T26] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 62.080555][ T26] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 62.086338][ T26] ? lockdep_hardirqs_on+0x53/0x100 [ 62.091514][ T26] ? _raw_spin_unlock_irqrestore+0x5c/0x90 [ 62.097300][ T26] ieee80211_iface_work+0x7d2/0x8f0 [ 62.102481][ T26] process_one_work+0x94c/0x1670 [ 62.107411][ T26] ? lock_release+0x8f0/0x8f0 [ 62.112065][ T26] ? pwq_dec_nr_in_flight+0x320/0x320 [ 62.117417][ T26] ? rwlock_bug.part.0+0x90/0x90 [ 62.122352][ T26] ? lockdep_hardirqs_off+0x96/0xd0 [ 62.127532][ T26] worker_thread+0x64c/0x1120 [ 62.132196][ T26] ? __kthread_parkme+0x13f/0x1e0 [ 62.137216][ T26] ? process_one_work+0x1670/0x1670 [ 62.142395][ T26] kthread+0x3b5/0x4a0 [ 62.146461][ T26] ? __kthread_bind_mask+0xc0/0xc0 [ 62.151560][ T26] ret_from_fork+0x1f/0x30 [ 62.157379][ T26] Kernel Offset: disabled [ 62.161801][ T26] Rebooting in 86400 seconds..