[ 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 '10.128.10.16' (ECDSA) to the list of known hosts. syzkaller login: [ 122.720249] IPVS: ftp: loaded support on port[0] = 21 [ 122.792523] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 122.801123] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.825844] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.826787] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready executing program executing program [ 122.841739] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 122.851012] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.859686] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.866488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 122.888085] ------------[ cut here ]------------ [ 122.893388] WARNING: CPU: 0 PID: 8167 at net/wireless/sme.c:533 cfg80211_connect.cold+0x47/0x6c [ 122.902218] Kernel panic - not syncing: panic_on_warn set ... [ 122.902218] [ 122.909570] CPU: 0 PID: 8167 Comm: syz-executor271 Not tainted 4.19.171-syzkaller #0 [ 122.917437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.926895] Call Trace: [ 122.929480] dump_stack+0x1fc/0x2ef [ 122.933146] panic+0x26a/0x50e [ 122.936324] ? __warn_printk+0xf3/0xf3 [ 122.940201] ? cfg80211_connect.cold+0x47/0x6c [ 122.944786] ? __probe_kernel_read+0x130/0x1b0 [ 122.949369] ? __warn.cold+0x5/0x5a [ 122.953085] ? __warn+0xe4/0x200 [ 122.956441] ? cfg80211_connect.cold+0x47/0x6c [ 122.961019] __warn.cold+0x20/0x5a [ 122.964567] ? cfg80211_connect.cold+0x47/0x6c [ 122.969150] report_bug+0x262/0x2b0 [ 122.972903] do_error_trap+0x1d7/0x310 [ 122.976803] ? math_error+0x310/0x310 [ 122.980594] ? __irq_work_queue_local+0x101/0x160 [ 122.985427] ? irq_work_queue+0x29/0x80 [ 122.989390] ? error_entry+0x72/0xd0 [ 122.993103] ? trace_hardirqs_off_caller+0x6e/0x210 [ 122.998114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 123.002947] invalid_op+0x14/0x20 [ 123.006392] RIP: 0010:cfg80211_connect.cold+0x47/0x6c [ 123.011567] Code: 48 c7 c7 a0 0c 66 89 e8 74 7d df ff 0f 0b 41 bc ea ff ff ff e9 db e6 77 ff e8 34 43 51 f9 48 c7 c7 a0 0c 66 89 e8 56 7d df ff <0f> 0b 41 bc 8d ff ff ff e9 7a ed 77 ff e8 16 43 51 f9 48 c7 c7 a0 [ 123.030457] RSP: 0018:ffff888094f3f370 EFLAGS: 00010286 [ 123.035823] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000 [ 123.043076] RDX: 0000000000000000 RSI: ffffffff814de1b1 RDI: ffffed10129e7e60 [ 123.050329] RBP: ffff8880b0049f50 R08: 0000000000000024 R09: 0000000000000000 [ 123.057581] R10: 0000000000000005 R11: 0000000000000000 R12: ffff888094f3f508 [ 123.064832] R13: ffffffff89673720 R14: ffff8880b0049f78 R15: 0000000000000006 [ 123.072100] ? vprintk_func+0x81/0x180 [ 123.075984] ? mark_held_locks+0xf0/0xf0 [ 123.080035] ? __cfg80211_disconnected+0x1920/0x1920 [ 123.085126] ? memset+0x20/0x40 [ 123.088396] ? nl80211_crypto_settings+0x54c/0xc00 [ 123.093327] ? ieee80211_get_channel+0x12d/0x1a0 [ 123.098072] nl80211_connect+0x1672/0x2010 [ 123.102306] ? nl80211_join_ibss+0x1300/0x1300 [ 123.106902] ? lock_acquire+0x170/0x3c0 [ 123.110876] ? nl80211_pre_doit+0x34f/0x620 [ 123.115230] ? nl80211_pre_doit+0xa2/0x620 [ 123.119470] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 123.124660] genl_family_rcv_msg+0x642/0xc40 [ 123.129081] ? genl_rcv+0x40/0x40 [ 123.132540] ? genl_rcv_msg+0x12f/0x160 [ 123.136560] ? __mutex_add_waiter+0x160/0x160 [ 123.141184] ? __radix_tree_lookup+0x216/0x370 [ 123.145776] genl_rcv_msg+0xbf/0x160 [ 123.149542] netlink_rcv_skb+0x160/0x440 [ 123.153594] ? genl_family_rcv_msg+0xc40/0xc40 [ 123.158180] ? netlink_ack+0xae0/0xae0 [ 123.162056] ? genl_rcv+0x15/0x40 [ 123.165495] genl_rcv+0x24/0x40 [ 123.168759] netlink_unicast+0x4d5/0x690 [ 123.172809] ? netlink_sendskb+0x110/0x110 [ 123.177038] ? _copy_from_iter_full+0x229/0x7c0 [ 123.181705] ? __phys_addr_symbol+0x2c/0x70 [ 123.186020] ? __check_object_size+0x17b/0x3e0 [ 123.190595] netlink_sendmsg+0x6bb/0xc40 [ 123.194647] ? aa_af_perm+0x230/0x230 [ 123.198433] ? nlmsg_notify+0x1a0/0x1a0 [ 123.202395] ? kernel_recvmsg+0x220/0x220 [ 123.206633] ? nlmsg_notify+0x1a0/0x1a0 [ 123.210604] sock_sendmsg+0xc3/0x120 [ 123.214313] ___sys_sendmsg+0x7bb/0x8e0 [ 123.218323] ? copy_msghdr_from_user+0x440/0x440 [ 123.223099] ? sock_ioctl+0x30e/0x5d0 [ 123.226889] ? dlci_ioctl_set+0x30/0x30 [ 123.230852] ? lock_downgrade+0x720/0x720 [ 123.234991] ? lock_acquire+0x170/0x3c0 [ 123.238954] ? debug_object_active_state+0x104/0x330 [ 123.244042] ? mark_held_locks+0xf0/0xf0 [ 123.248087] ? dlci_ioctl_set+0x30/0x30 [ 123.252063] ? do_vfs_ioctl+0x110/0x12e0 [ 123.256108] ? ioctl_preallocate+0x200/0x200 [ 123.260499] ? __fdget+0x1a0/0x230 [ 123.264027] __x64_sys_sendmsg+0x132/0x220 [ 123.268245] ? __sys_sendmsg+0x1b0/0x1b0 [ 123.272306] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 123.277678] ? trace_hardirqs_off_caller+0x6e/0x210 [ 123.282677] ? do_syscall_64+0x21/0x620 [ 123.286650] do_syscall_64+0xf9/0x620 [ 123.290442] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.295618] RIP: 0033:0x442139 [ 123.298796] Code: e8 ac 00 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 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 123.317686] RSP: 002b:00007fff489c6448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.325609] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 123.332869] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 123.340128] RBP: 0000000000000000 R08: 0000001e00000000 R09: 0000001e00000000 [ 123.347383] R10: 0000001e00000000 R11: 0000000000000246 R12: 000000000001e007 [ 123.354634] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 123.362743] Kernel Offset: disabled [ 123.366430] Rebooting in 86400 seconds..