[ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.117' (ECDSA) to the list of known hosts. syzkaller login: [ 35.977119] IPVS: ftp: loaded support on port[0] = 21 [ 36.040461] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.047880] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.064683] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.064972] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.078675] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 36.085796] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.090035] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.106994] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.122437] ------------[ cut here ]------------ [ 36.127556] WARNING: CPU: 0 PID: 8133 at net/mac80211/cfg.c:3417 ieee80211_probe_client.cold+0x11/0x2c [ 36.137040] Kernel panic - not syncing: panic_on_warn set ... [ 36.137040] [ 36.144437] CPU: 0 PID: 8133 Comm: syz-executor502 Not tainted 4.19.158-syzkaller #0 [ 36.152345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.161692] Call Trace: [ 36.164268] dump_stack+0x1fc/0x2fe [ 36.167880] panic+0x26a/0x50e [ 36.171054] ? __warn_printk+0xf3/0xf3 [ 36.174944] ? ieee80211_probe_client.cold+0x11/0x2c [ 36.180028] ? __probe_kernel_read+0x130/0x1b0 [ 36.184590] ? __warn.cold+0x5/0x61 [ 36.188215] ? __warn+0xe4/0x200 [ 36.191618] ? ieee80211_probe_client.cold+0x11/0x2c [ 36.196728] __warn.cold+0x20/0x61 [ 36.200253] ? ieee80211_probe_client.cold+0x11/0x2c [ 36.205334] report_bug+0x262/0x2b0 [ 36.208944] do_error_trap+0x1d7/0x310 [ 36.212824] ? math_error+0x310/0x310 [ 36.216603] ? __irq_work_queue_local+0x101/0x160 [ 36.221428] ? irq_work_queue+0x29/0x80 [ 36.225380] ? error_entry+0x72/0xd0 [ 36.229071] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.234086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.238914] invalid_op+0x14/0x20 [ 36.242350] RIP: 0010:ieee80211_probe_client.cold+0x11/0x2c [ 36.248054] Code: 8d 60 01 4c 89 a3 88 17 00 00 e9 3e e8 ff ff 48 89 ef e8 8e be dc f9 eb df e8 27 97 a6 f9 48 c7 c7 c0 12 67 89 e8 aa 90 91 f9 <0f> 0b 41 bc ea ff ff ff e9 32 ef ff ff 90 90 90 90 90 90 90 90 90 [ 36.266937] RSP: 0018:ffff8880b066f5b0 EFLAGS: 00010286 [ 36.272278] RAX: 0000000000000024 RBX: ffff888098059100 RCX: 0000000000000000 [ 36.279527] RDX: 0000000000000000 RSI: ffffffff814fdba1 RDI: ffffed10160cdea8 [ 36.286775] RBP: ffff8880a4b9fd60 R08: 0000000000000024 R09: 0000000000000000 [ 36.294023] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a25a10a0 [ 36.301271] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff89671e80 [ 36.308532] ? vprintk_func+0x81/0x17e [ 36.312411] nl80211_probe_client+0x39e/0xc30 [ 36.316890] ? nl80211_msg_put_channel+0xf20/0xf20 [ 36.321805] ? nl80211_pre_doit+0xa2/0x620 [ 36.326019] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 36.331195] genl_family_rcv_msg+0x642/0xc40 [ 36.335595] ? genl_rcv+0x40/0x40 [ 36.339025] ? genl_rcv_msg+0x12f/0x160 [ 36.342982] ? __mutex_add_waiter+0x160/0x160 [ 36.347461] ? __radix_tree_lookup+0x216/0x370 [ 36.352026] genl_rcv_msg+0xbf/0x160 [ 36.355721] netlink_rcv_skb+0x160/0x440 [ 36.359776] ? genl_family_rcv_msg+0xc40/0xc40 [ 36.364336] ? netlink_ack+0xae0/0xae0 [ 36.368211] ? genl_rcv+0x15/0x40 [ 36.371658] genl_rcv+0x24/0x40 [ 36.374932] netlink_unicast+0x4d5/0x690 [ 36.378991] ? netlink_sendskb+0x110/0x110 [ 36.383216] ? _copy_from_iter_full+0x229/0x7c0 [ 36.387882] ? __phys_addr_symbol+0x2c/0x70 [ 36.392189] ? __check_object_size+0x17b/0x3d1 [ 36.396751] netlink_sendmsg+0x6bb/0xc40 [ 36.400795] ? aa_af_perm+0x230/0x230 [ 36.404573] ? nlmsg_notify+0x1a0/0x1a0 [ 36.408525] ? kernel_recvmsg+0x220/0x220 [ 36.412655] ? nlmsg_notify+0x1a0/0x1a0 [ 36.416625] sock_sendmsg+0xc3/0x120 [ 36.420332] ___sys_sendmsg+0x7bb/0x8e0 [ 36.424299] ? copy_msghdr_from_user+0x440/0x440 [ 36.429041] ? sock_ioctl+0x30e/0x5d0 [ 36.432823] ? dlci_ioctl_set+0x30/0x30 [ 36.436880] ? lock_downgrade+0x720/0x720 [ 36.441006] ? lock_acquire+0x170/0x3c0 [ 36.445174] ? debug_object_active_state+0x104/0x330 [ 36.450258] ? mark_held_locks+0xf0/0xf0 [ 36.454312] ? dlci_ioctl_set+0x30/0x30 [ 36.458297] ? do_vfs_ioctl+0x110/0x12e0 [ 36.462338] ? ioctl_preallocate+0x200/0x200 [ 36.466730] ? __fdget+0x1a0/0x230 [ 36.470256] __x64_sys_sendmsg+0x132/0x220 [ 36.474472] ? __sys_sendmsg+0x1b0/0x1b0 [ 36.478520] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.483874] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.488873] ? do_syscall_64+0x21/0x620 [ 36.492827] do_syscall_64+0xf9/0x620 [ 36.496608] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.501793] RIP: 0033:0x441939 [ 36.504973] 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 [ 36.523859] RSP: 002b:00007fff3d696918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.531547] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441939 [ 36.538809] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 36.546076] RBP: 000000306e616c77 R08: 0000001d00000000 R09: 0000001d00000000 [ 36.553325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 36.560572] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 36.568715] Kernel Offset: disabled [ 36.572398] Rebooting in 86400 seconds..