[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.37' (ECDSA) to the list of known hosts. syzkaller login: [ 55.560264][ T8388] IPVS: ftp: loaded support on port[0] = 21 [ 55.644527][ T8360] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.656050][ T8360] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.672264][ T165] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.681182][ T165] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program executing program executing program [ 55.686858][ T8413] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.706971][ T8413] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes 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 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.967038][ T25] ------------[ cut here ]------------ [ 59.973012][ T25] WARNING: CPU: 1 PID: 25 at net/mac80211/offchannel.c:401 ieee80211_start_next_roc+0x1f4/0x240 [ 59.984696][ T25] Modules linked in: [ 59.990259][ T25] CPU: 0 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 60.000522][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.010831][ T25] Workqueue: phy4 ieee80211_scan_work [ 60.016761][ T25] RIP: 0010:ieee80211_start_next_roc+0x1f4/0x240 [ 60.023335][ T25] Code: 18 22 00 00 48 89 ef 48 89 c2 e8 27 a5 0b 00 5b 5d e9 a0 d7 1c f9 e8 9b d7 1c f9 48 89 ef e8 c3 73 ff ff eb 8d e8 8c d7 1c f9 <0f> 0b eb 84 48 c7 c7 4c 71 c5 8d e8 4c db 60 f9 e9 2f fe ff ff e8 [ 60.043540][ T25] RSP: 0018:ffffc90000dffb80 EFLAGS: 00010293 [ 60.050267][ T25] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.058360][ T25] RDX: ffff88801121d340 RSI: ffffffff8856c864 RDI: 0000000000000003 [ 60.066700][ T25] RBP: ffff8880154e8d00 R08: 0000000000000000 R09: 0000000000000001 [ 60.074692][ T25] R10: ffffffff8856c77d R11: 0000000000000000 R12: 0000000000000001 [ 60.082771][ T25] R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880154ea680 [ 60.090821][ T25] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 60.101273][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.108191][ T25] CR2: 0000000020000200 CR3: 000000000bc8e000 CR4: 0000000000350ef0 [ 60.116578][ T25] Call Trace: [ 60.119853][ T25] __ieee80211_scan_completed+0x602/0xed0 [ 60.126052][ T25] ieee80211_scan_work+0x3dd/0x1a90 [ 60.131272][ T25] ? lock_downgrade+0x6e0/0x6e0 [ 60.136273][ T25] ? ieee80211_run_deferred_scan+0x310/0x310 [ 60.142292][ T25] process_one_work+0x98d/0x1600 [ 60.147283][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 60.152663][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 60.157690][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 60.162870][ T25] worker_thread+0x64c/0x1120 [ 60.168690][ T25] ? __kthread_parkme+0x13f/0x1e0 [ 60.173746][ T25] ? process_one_work+0x1600/0x1600 [ 60.179781][ T25] kthread+0x3b1/0x4a0 [ 60.183863][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 60.189050][ T25] ret_from_fork+0x1f/0x30 [ 60.193485][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 60.200053][ T25] CPU: 0 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 60.208448][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.218489][ T25] Workqueue: phy4 ieee80211_scan_work [ 60.223855][ T25] Call Trace: [ 60.227122][ T25] dump_stack+0x141/0x1d7 [ 60.231447][ T25] panic+0x306/0x73d [ 60.235329][ T25] ? __warn_printk+0xf3/0xf3 [ 60.240116][ T25] ? __warn.cold+0x1a/0x44 [ 60.244545][ T25] ? ieee80211_start_next_roc+0x1f4/0x240 [ 60.250256][ T25] __warn.cold+0x35/0x44 [ 60.254490][ T25] ? ieee80211_start_next_roc+0x1f4/0x240 [ 60.260202][ T25] report_bug+0x1bd/0x210 [ 60.264535][ T25] handle_bug+0x3c/0x60 [ 60.268688][ T25] exc_invalid_op+0x14/0x40 [ 60.273200][ T25] asm_exc_invalid_op+0x12/0x20 [ 60.278042][ T25] RIP: 0010:ieee80211_start_next_roc+0x1f4/0x240 [ 60.284361][ T25] Code: 18 22 00 00 48 89 ef 48 89 c2 e8 27 a5 0b 00 5b 5d e9 a0 d7 1c f9 e8 9b d7 1c f9 48 89 ef e8 c3 73 ff ff eb 8d e8 8c d7 1c f9 <0f> 0b eb 84 48 c7 c7 4c 71 c5 8d e8 4c db 60 f9 e9 2f fe ff ff e8 [ 60.303967][ T25] RSP: 0018:ffffc90000dffb80 EFLAGS: 00010293 [ 60.310022][ T25] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.317982][ T25] RDX: ffff88801121d340 RSI: ffffffff8856c864 RDI: 0000000000000003 [ 60.325947][ T25] RBP: ffff8880154e8d00 R08: 0000000000000000 R09: 0000000000000001 [ 60.333908][ T25] R10: ffffffff8856c77d R11: 0000000000000000 R12: 0000000000000001 [ 60.341874][ T25] R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880154ea680 [ 60.349837][ T25] ? ieee80211_start_next_roc+0x10d/0x240 [ 60.355552][ T25] ? ieee80211_start_next_roc+0x1f4/0x240 [ 60.361263][ T25] __ieee80211_scan_completed+0x602/0xed0 [ 60.366985][ T25] ieee80211_scan_work+0x3dd/0x1a90 [ 60.372528][ T25] ? lock_downgrade+0x6e0/0x6e0 [ 60.377419][ T25] ? ieee80211_run_deferred_scan+0x310/0x310 [ 60.383406][ T25] process_one_work+0x98d/0x1600 [ 60.388348][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 60.393713][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 60.398645][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 60.403668][ T25] worker_thread+0x64c/0x1120 [ 60.408348][ T25] ? __kthread_parkme+0x13f/0x1e0 [ 60.413390][ T25] ? process_one_work+0x1600/0x1600 [ 60.418599][ T25] kthread+0x3b1/0x4a0 [ 60.422683][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 60.427785][ T25] ret_from_fork+0x1f/0x30 [ 60.436334][ T25] Kernel Offset: disabled [ 60.440779][ T25] Rebooting in 86400 seconds..