[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.18' (ECDSA) to the list of known hosts. syzkaller login: [ 38.008294] IPVS: ftp: loaded support on port[0] = 21 [ 38.063719] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 38.080922] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.088373] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program [ 38.109472] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.122905] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 38.129904] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.138972] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.146746] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 38.169191] ------------[ cut here ]------------ [ 38.174689] WARNING: CPU: 0 PID: 8149 at net/wireless/sme.c:533 cfg80211_connect.cold+0x47/0x6c [ 38.185088] Kernel panic - not syncing: panic_on_warn set ... [ 38.185088] [ 38.192653] CPU: 0 PID: 8149 Comm: syz-executor250 Not tainted 4.19.171-syzkaller #0 [ 38.200521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.210531] Call Trace: [ 38.213137] dump_stack+0x1fc/0x2ef [ 38.216782] panic+0x26a/0x50e [ 38.219971] ? __warn_printk+0xf3/0xf3 [ 38.223892] ? cfg80211_connect.cold+0x47/0x6c [ 38.228491] ? __probe_kernel_read+0x130/0x1b0 [ 38.233079] ? __warn.cold+0x5/0x5a [ 38.236695] ? __warn+0xe4/0x200 [ 38.240055] ? cfg80211_connect.cold+0x47/0x6c [ 38.244632] __warn.cold+0x20/0x5a [ 38.248184] ? cfg80211_connect.cold+0x47/0x6c [ 38.252773] report_bug+0x262/0x2b0 [ 38.256490] do_error_trap+0x1d7/0x310 [ 38.260374] ? math_error+0x310/0x310 [ 38.264183] ? __irq_work_queue_local+0x101/0x160 [ 38.269241] ? irq_work_queue+0x29/0x80 [ 38.273419] ? error_entry+0x72/0xd0 [ 38.277137] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.282413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.288493] invalid_op+0x14/0x20 [ 38.291946] RIP: 0010:cfg80211_connect.cold+0x47/0x6c [ 38.297162] 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 [ 38.321560] RSP: 0018:ffff88808f707370 EFLAGS: 00010286 [ 38.327798] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000 [ 38.336028] RDX: 0000000000000000 RSI: ffffffff814de1b1 RDI: ffffed1011ee0e60 [ 38.343665] RBP: ffff8880b02f20d0 R08: 0000000000000024 R09: 0000000000000000 [ 38.351978] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88808f707508 [ 38.360120] R13: ffffffff89673720 R14: ffff8880b02f20f8 R15: 0000000000000006 [ 38.370394] ? vprintk_func+0x81/0x180 [ 38.374957] ? mark_held_locks+0xf0/0xf0 [ 38.379516] ? __cfg80211_disconnected+0x1920/0x1920 [ 38.385081] ? memset+0x20/0x40 [ 38.388786] ? nl80211_crypto_settings+0x54c/0xc00 [ 38.395194] ? ieee80211_get_channel+0x12d/0x1a0 [ 38.400190] nl80211_connect+0x1672/0x2010 [ 38.405024] ? nl80211_join_ibss+0x1300/0x1300 [ 38.409944] ? lock_acquire+0x170/0x3c0 [ 38.414021] ? nl80211_pre_doit+0x34f/0x620 [ 38.418850] ? nl80211_pre_doit+0xa2/0x620 [ 38.423303] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 38.431050] genl_family_rcv_msg+0x642/0xc40 [ 38.435499] ? genl_rcv+0x40/0x40 [ 38.438991] ? genl_rcv_msg+0x12f/0x160 [ 38.443163] ? __mutex_add_waiter+0x160/0x160 [ 38.447746] ? __radix_tree_lookup+0x216/0x370 [ 38.452775] genl_rcv_msg+0xbf/0x160 [ 38.457136] netlink_rcv_skb+0x160/0x440 [ 38.461219] ? genl_family_rcv_msg+0xc40/0xc40 [ 38.466009] ? netlink_ack+0xae0/0xae0 [ 38.470015] ? genl_rcv+0x15/0x40 [ 38.473490] genl_rcv+0x24/0x40 [ 38.476855] netlink_unicast+0x4d5/0x690 [ 38.480941] ? netlink_sendskb+0x110/0x110 [ 38.485454] ? _copy_from_iter_full+0x229/0x7c0 [ 38.490230] ? __phys_addr_symbol+0x2c/0x70 [ 38.494838] ? __check_object_size+0x17b/0x3e0 [ 38.499917] netlink_sendmsg+0x6bb/0xc40 [ 38.504328] ? aa_af_perm+0x230/0x230 [ 38.508481] ? nlmsg_notify+0x1a0/0x1a0 [ 38.512667] ? kernel_recvmsg+0x220/0x220 [ 38.517223] ? nlmsg_notify+0x1a0/0x1a0 [ 38.521329] sock_sendmsg+0xc3/0x120 [ 38.525289] ___sys_sendmsg+0x7bb/0x8e0 [ 38.530542] ? copy_msghdr_from_user+0x440/0x440 [ 38.535729] ? sock_ioctl+0x30e/0x5d0 [ 38.539724] ? dlci_ioctl_set+0x30/0x30 [ 38.544005] ? lock_downgrade+0x720/0x720 [ 38.548348] ? lock_acquire+0x170/0x3c0 [ 38.552435] ? debug_object_active_state+0x104/0x330 [ 38.557664] ? mark_held_locks+0xf0/0xf0 [ 38.561745] ? dlci_ioctl_set+0x30/0x30 [ 38.565765] ? do_vfs_ioctl+0x110/0x12e0 [ 38.569850] ? ioctl_preallocate+0x200/0x200 [ 38.574411] ? __fdget+0x1a0/0x230 [ 38.577960] __x64_sys_sendmsg+0x132/0x220 [ 38.582866] ? __sys_sendmsg+0x1b0/0x1b0 [ 38.587069] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.593736] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.599435] ? do_syscall_64+0x21/0x620 [ 38.603638] do_syscall_64+0xf9/0x620 [ 38.607459] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.612835] RIP: 0033:0x442139 [ 38.616027] 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 [ 38.636814] RSP: 002b:00007ffcca47f448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.644957] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 38.652239] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 38.659758] RBP: 0000000000000000 R08: 0000001e00000000 R09: 0000001e00000000 [ 38.667452] R10: 0000001e00000000 R11: 0000000000000246 R12: 0000000000009516 [ 38.674747] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 38.682879] Kernel Offset: disabled [ 38.686672] Rebooting in 86400 seconds..