[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. syzkaller login: [ 34.084846] IPVS: ftp: loaded support on port[0] = 21 [ 34.139875] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 34.151638] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.170012] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.178039] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready executing program [ 34.187453] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.198671] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.199377] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 34.216633] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 34.230121] WARNING: CPU: 0 PID: 8127 at net/mac80211/ieee80211_i.h:1413 sta_info_alloc+0x13c3/0x1810 [ 34.239598] Kernel panic - not syncing: panic_on_warn set ... [ 34.239598] [ 34.246956] CPU: 0 PID: 8127 Comm: syz-executor823 Not tainted 4.19.155-syzkaller #0 [ 34.254867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.264201] Call Trace: [ 34.266779] dump_stack+0x1fc/0x2fe [ 34.270422] panic+0x26a/0x50e [ 34.273599] ? __warn_printk+0xf3/0xf3 [ 34.277474] ? sta_info_alloc+0x13c3/0x1810 [ 34.281784] ? __probe_kernel_read+0x130/0x1b0 [ 34.286346] ? __warn.cold+0x5/0x61 [ 34.289957] ? __warn+0xe4/0x200 [ 34.293307] ? sta_info_alloc+0x13c3/0x1810 [ 34.297616] __warn.cold+0x20/0x61 [ 34.301139] ? __lock_acquire+0x6de/0x3ff0 [ 34.305356] ? sta_info_alloc+0x13c3/0x1810 [ 34.309682] report_bug+0x262/0x2b0 [ 34.313291] do_error_trap+0x1d7/0x310 [ 34.317160] ? math_error+0x310/0x310 [ 34.320940] ? mark_held_locks+0xf0/0xf0 [ 34.324985] ? error_entry+0x72/0xd0 [ 34.328687] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.333689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.338520] invalid_op+0x14/0x20 [ 34.341957] RIP: 0010:sta_info_alloc+0x13c3/0x1810 [ 34.346871] Code: f9 48 c7 c2 80 8f 66 89 be a5 02 00 00 48 c7 c7 40 8e 66 89 c6 05 a4 92 58 03 01 e8 f4 cd 96 f9 e9 3f fc ff ff e8 bd d5 ae f9 <0f> 0b e8 b6 95 9c f9 31 ff 89 c3 89 c6 e8 1b d7 ae f9 85 db 74 19 [ 34.365759] RSP: 0018:ffff8880972af4d8 EFLAGS: 00010293 [ 34.371104] RAX: ffff88809f33a600 RBX: 0000000000000001 RCX: ffffffff87b5f487 [ 34.378356] RDX: 0000000000000000 RSI: ffffffff87b5f8d3 RDI: 0000000000000007 [ 34.385607] RBP: ffff8880a2480f60 R08: 0000000000000000 R09: 0000000000000000 [ 34.392877] R10: 0000000000000007 R11: 0000000000000000 R12: ffff888094ed2940 [ 34.400146] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888094ed2d50 [ 34.407409] ? sta_info_alloc+0xf77/0x1810 [ 34.411632] ? sta_info_alloc+0x13c3/0x1810 [ 34.415940] ? sta_info_alloc+0x13c3/0x1810 [ 34.420248] ieee80211_add_station+0x264/0x610 [ 34.424829] nl80211_new_station+0xd78/0x1510 [ 34.429320] ? get_vlan+0x2b0/0x2b0 [ 34.432950] ? nl80211_pre_doit+0xa2/0x620 [ 34.437216] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 34.442436] genl_family_rcv_msg+0x642/0xc40 [ 34.446875] ? genl_rcv+0x40/0x40 [ 34.450309] ? genl_rcv_msg+0x12f/0x160 [ 34.454266] ? __mutex_add_waiter+0x160/0x160 [ 34.458752] ? __radix_tree_lookup+0x216/0x370 [ 34.463343] genl_rcv_msg+0xbf/0x160 [ 34.467043] netlink_rcv_skb+0x160/0x440 [ 34.471093] ? genl_family_rcv_msg+0xc40/0xc40 [ 34.475665] ? netlink_ack+0xae0/0xae0 [ 34.479534] ? genl_rcv+0x15/0x40 [ 34.482971] genl_rcv+0x24/0x40 [ 34.486233] netlink_unicast+0x4d5/0x690 [ 34.490294] ? netlink_sendskb+0x110/0x110 [ 34.494512] ? _copy_from_iter_full+0x229/0x7c0 [ 34.499161] ? __phys_addr_symbol+0x2c/0x70 [ 34.503490] ? __check_object_size+0x17b/0x3d1 [ 34.508095] netlink_sendmsg+0x6bb/0xc40 [ 34.512141] ? aa_af_perm+0x230/0x230 [ 34.515970] ? nlmsg_notify+0x1a0/0x1a0 [ 34.519935] ? kernel_recvmsg+0x220/0x220 [ 34.524154] ? nlmsg_notify+0x1a0/0x1a0 [ 34.528112] sock_sendmsg+0xc3/0x120 [ 34.531810] ___sys_sendmsg+0x7bb/0x8e0 [ 34.535768] ? lock_acquire+0x170/0x3c0 [ 34.539730] ? copy_msghdr_from_user+0x440/0x440 [ 34.544481] ? lock_downgrade+0x720/0x720 [ 34.548607] ? lock_acquire+0x170/0x3c0 [ 34.552584] ? debug_object_active_state+0x104/0x330 [ 34.557669] ? mark_held_locks+0xf0/0xf0 [ 34.561714] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.566283] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 34.571385] ? debug_object_active_state+0x254/0x330 [ 34.576473] ? debug_object_init_on_stack+0x20/0x20 [ 34.581489] ? kfree+0x110/0x210 [ 34.584838] ? __fdget+0x1a0/0x230 [ 34.588362] __x64_sys_sendmsg+0x132/0x220 [ 34.592576] ? __sys_sendmsg+0x1b0/0x1b0 [ 34.596624] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.601970] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.606970] ? do_syscall_64+0x21/0x620 [ 34.610942] do_syscall_64+0xf9/0x620 [ 34.614725] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.619901] RIP: 0033:0x441979 [ 34.623077] Code: e8 dc 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 0d fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 34.641971] RSP: 002b:00007ffe3f882638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.649667] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441979 [ 34.656919] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000005 [ 34.664171] RBP: 000000306e616c77 R08: 0000000000000000 R09: 0000001d00000000 [ 34.671421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 34.678673] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 34.686760] Kernel Offset: disabled [ 34.690477] Rebooting in 86400 seconds..