[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.211' (ECDSA) to the list of known hosts. syzkaller login: [ 579.481961][ T8491] IPVS: ftp: loaded support on port[0] = 21 [ 579.576311][ T8444] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 579.600391][ T8444] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program executing program executing program executing program executing program executing program [ 579.624155][ T8467] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 579.643415][ T8524] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 579.651432][ T8524] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 579.666887][ T8467] 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 program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 583.862741][ T8533] ------------[ cut here ]------------ [ 583.868423][ T8533] WARNING: CPU: 1 PID: 8533 at net/mac80211/offchannel.c:401 ieee80211_start_next_roc+0x1f4/0x240 [ 583.879513][ T8533] Modules linked in: [ 583.884143][ T8533] CPU: 1 PID: 8533 Comm: kworker/u4:1 Not tainted 5.10.0-rc6-syzkaller #0 [ 583.893497][ T8533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 583.903947][ T8533] Workqueue: phy4 ieee80211_scan_work [ 583.909463][ T8533] RIP: 0010:ieee80211_start_next_roc+0x1f4/0x240 [ 583.915894][ T8533] Code: d0 21 00 00 48 89 ef 48 89 c2 e8 77 7f 0b 00 5b 5d e9 d0 f4 28 f9 e8 cb f4 28 f9 48 89 ef e8 c3 73 ff ff eb 8d e8 bc f4 28 f9 <0f> 0b eb 84 48 c7 c7 9c df ec 8c e8 1c 73 6a f9 e9 2f fe ff ff e8 [ 583.935648][ T8533] RSP: 0018:ffffc9000167fb80 EFLAGS: 00010293 [ 583.941796][ T8533] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff88470edd [ 583.949775][ T8533] RDX: ffff88801f861a40 RSI: ffffffff88470fc4 RDI: 0000000000000001 [ 583.957816][ T8533] RBP: ffff8880292c0c80 R08: 0000000000000001 R09: ffffffff8ebaf727 [ 583.965853][ T8533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 583.973898][ T8533] R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880292c25b8 [ 583.981924][ T8533] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 583.990887][ T8533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 583.997548][ T8533] CR2: 00007fff0e86f950 CR3: 000000001d954000 CR4: 00000000001506e0 [ 584.005585][ T8533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 584.013629][ T8533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 584.021646][ T8533] Call Trace: [ 584.024935][ T8533] __ieee80211_scan_completed+0x602/0xed0 [ 584.030689][ T8533] ieee80211_scan_work+0x3dd/0x1a90 [ 584.035996][ T8533] ? lock_downgrade+0x6d0/0x6d0 [ 584.040850][ T8533] ? ieee80211_run_deferred_scan+0x310/0x310 [ 584.046885][ T8533] process_one_work+0x933/0x15a0 [ 584.051913][ T8533] ? lock_release+0x710/0x710 [ 584.056616][ T8533] ? pwq_dec_nr_in_flight+0x320/0x320 [ 584.062040][ T8533] ? rwlock_bug.part.0+0x90/0x90 [ 584.066986][ T8533] ? _raw_spin_lock_irq+0x41/0x50 [ 584.072089][ T8533] worker_thread+0x64c/0x1120 [ 584.076771][ T8533] ? __kthread_parkme+0x13f/0x1e0 [ 584.081882][ T8533] ? process_one_work+0x15a0/0x15a0 [ 584.087122][ T8533] kthread+0x3b1/0x4a0 [ 584.091316][ T8533] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 584.097211][ T8533] ret_from_fork+0x1f/0x30 [ 584.101684][ T8533] Kernel panic - not syncing: panic_on_warn set ... [ 584.108261][ T8533] CPU: 1 PID: 8533 Comm: kworker/u4:1 Not tainted 5.10.0-rc6-syzkaller #0 [ 584.116829][ T8533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 584.126968][ T8533] Workqueue: phy4 ieee80211_scan_work [ 584.132318][ T8533] Call Trace: [ 584.135586][ T8533] dump_stack+0x107/0x163 [ 584.139908][ T8533] panic+0x306/0x73d [ 584.143796][ T8533] ? __warn_printk+0xf3/0xf3 [ 584.148401][ T8533] ? __warn.cold+0x1a/0x44 [ 584.152803][ T8533] ? __warn+0xf1/0x210 [ 584.156855][ T8533] ? ieee80211_start_next_roc+0x1f4/0x240 [ 584.162554][ T8533] __warn.cold+0x35/0x44 [ 584.166775][ T8533] ? ieee80211_start_next_roc+0x1f4/0x240 [ 584.172485][ T8533] report_bug+0x1bd/0x210 [ 584.176798][ T8533] handle_bug+0x3c/0x60 [ 584.180948][ T8533] exc_invalid_op+0x14/0x40 [ 584.185450][ T8533] asm_exc_invalid_op+0x12/0x20 [ 584.190294][ T8533] RIP: 0010:ieee80211_start_next_roc+0x1f4/0x240 [ 584.196599][ T8533] Code: d0 21 00 00 48 89 ef 48 89 c2 e8 77 7f 0b 00 5b 5d e9 d0 f4 28 f9 e8 cb f4 28 f9 48 89 ef e8 c3 73 ff ff eb 8d e8 bc f4 28 f9 <0f> 0b eb 84 48 c7 c7 9c df ec 8c e8 1c 73 6a f9 e9 2f fe ff ff e8 [ 584.216188][ T8533] RSP: 0018:ffffc9000167fb80 EFLAGS: 00010293 [ 584.222247][ T8533] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff88470edd [ 584.230216][ T8533] RDX: ffff88801f861a40 RSI: ffffffff88470fc4 RDI: 0000000000000001 [ 584.238166][ T8533] RBP: ffff8880292c0c80 R08: 0000000000000001 R09: ffffffff8ebaf727 [ 584.246115][ T8533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 584.254065][ T8533] R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880292c25b8 [ 584.262025][ T8533] ? ieee80211_start_next_roc+0x10d/0x240 [ 584.267724][ T8533] ? ieee80211_start_next_roc+0x1f4/0x240 [ 584.273430][ T8533] __ieee80211_scan_completed+0x602/0xed0 [ 584.279137][ T8533] ieee80211_scan_work+0x3dd/0x1a90 [ 584.284318][ T8533] ? lock_downgrade+0x6d0/0x6d0 [ 584.289158][ T8533] ? ieee80211_run_deferred_scan+0x310/0x310 [ 584.295133][ T8533] process_one_work+0x933/0x15a0 [ 584.300052][ T8533] ? lock_release+0x710/0x710 [ 584.304721][ T8533] ? pwq_dec_nr_in_flight+0x320/0x320 [ 584.310074][ T8533] ? rwlock_bug.part.0+0x90/0x90 [ 584.315002][ T8533] ? _raw_spin_lock_irq+0x41/0x50 [ 584.320009][ T8533] worker_thread+0x64c/0x1120 [ 584.324684][ T8533] ? __kthread_parkme+0x13f/0x1e0 [ 584.329711][ T8533] ? process_one_work+0x15a0/0x15a0 [ 584.334887][ T8533] kthread+0x3b1/0x4a0 [ 584.338936][ T8533] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 584.344810][ T8533] ret_from_fork+0x1f/0x30 [ 584.350003][ T8533] Kernel Offset: disabled [ 584.354418][ T8533] Rebooting in 86400 seconds..