[ 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 '10.128.0.93' (ECDSA) to the list of known hosts. syzkaller login: [ 39.852082] IPVS: ftp: loaded support on port[0] = 21 [ 39.906129] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 39.916922] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.933506] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.945666] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 39.958482] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 39.966058] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.973888] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.981453] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.020982] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.028455] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.037260] ------------[ cut here ]------------ [ 40.043247] WARNING: CPU: 0 PID: 5196 at net/wireless/ibss.c:36 __cfg80211_ibss_joined.cold+0x41/0x48 [ 40.052893] Kernel panic - not syncing: panic_on_warn set ... [ 40.052893] [ 40.060465] CPU: 0 PID: 5196 Comm: kworker/u4:5 Not tainted 4.19.211-syzkaller #0 [ 40.068180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 40.077637] Workqueue: cfg80211 cfg80211_event_work [ 40.082831] Call Trace: [ 40.085687] dump_stack+0x1fc/0x2ef [ 40.089491] panic+0x26a/0x50e [ 40.092799] ? __warn_printk+0xf3/0xf3 [ 40.097076] ? __cfg80211_ibss_joined.cold+0x41/0x48 [ 40.102297] ? __probe_kernel_read+0x130/0x1b0 [ 40.106987] ? __warn.cold+0x5/0x5a [ 40.110630] ? __warn+0xe4/0x200 [ 40.114084] ? __cfg80211_ibss_joined.cold+0x41/0x48 [ 40.119268] __warn.cold+0x20/0x5a [ 40.122965] ? __cfg80211_ibss_joined.cold+0x41/0x48 [ 40.128151] report_bug+0x262/0x2b0 [ 40.131782] do_error_trap+0x1d7/0x310 [ 40.135888] ? math_error+0x310/0x310 [ 40.139689] ? __irq_work_queue_local+0x101/0x160 [ 40.144526] ? irq_work_queue+0x29/0x80 [ 40.148536] ? error_entry+0x72/0xd0 [ 40.152367] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.157381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.162211] invalid_op+0x14/0x20 [ 40.165652] RIP: 0010:__cfg80211_ibss_joined.cold+0x41/0x48 [ 40.171524] Code: ff e8 2a 46 4e f9 48 c7 c7 20 88 66 89 e8 89 77 df ff 0f 0b e9 03 de 76 ff e8 12 46 4e f9 48 c7 c7 20 88 66 89 e8 71 77 df ff <0f> 0b e9 eb dd 76 ff e8 fa 45 4e f9 48 c7 c7 20 88 66 89 e8 59 77 [ 40.190498] RSP: 0018:ffff888093777c00 EFLAGS: 00010282 [ 40.196054] RAX: 0000000000000024 RBX: ffff88809521ce90 RCX: 0000000000000000 [ 40.203412] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10126eef72 [ 40.210669] RBP: ffff88809521c380 R08: 0000000000000024 R09: 0000000000000000 [ 40.217931] R10: 0000000000000005 R11: 0000000000000000 R12: 1ffff110126eef81 [ 40.225299] R13: ffff8880a4a98e18 R14: 0000000000000000 R15: 0000000000000006 [ 40.232584] ? vprintk_func+0x81/0x180 [ 40.236472] ? __cfg80211_clear_ibss+0x10f0/0x10f0 [ 40.241625] ? mark_held_locks+0xa6/0xf0 [ 40.245885] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 40.250982] cfg80211_process_wdev_events+0x3db/0x5b0 [ 40.256342] cfg80211_process_rdev_events+0x6e/0x100 [ 40.261608] cfg80211_event_work+0x1a/0x20 [ 40.265943] process_one_work+0x864/0x1570 [ 40.270300] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 40.275187] worker_thread+0x64c/0x1130 [ 40.279158] ? __kthread_parkme+0x133/0x1e0 [ 40.283481] ? process_one_work+0x1570/0x1570 [ 40.288060] kthread+0x33f/0x460 [ 40.291456] ? kthread_park+0x180/0x180 [ 40.295857] ret_from_fork+0x24/0x30 [ 40.300314] Kernel Offset: disabled [ 40.304026] Rebooting in 86400 seconds..