Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.123' (ECDSA) to the list of known hosts. syzkaller login: [ 35.932961] IPVS: ftp: loaded support on port[0] = 21 [ 35.999167] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.006764] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.020824] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.029781] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.039545] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.044591] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.053305] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.061046] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 36.144737] ------------[ cut here ]------------ [ 36.149752] wlan0: Failed check-sdata-in-driver check, flags: 0x4 [ 36.158757] WARNING: CPU: 0 PID: 8084 at net/mac80211/driver-ops.h:17 ieee80211_bss_info_change_notify+0x824/0x920 [ 36.169255] Kernel panic - not syncing: panic_on_warn set ... [ 36.169255] [ 36.176623] CPU: 0 PID: 8084 Comm: syz-executor577 Not tainted 4.19.211-syzkaller #0 [ 36.184500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.193847] Call Trace: [ 36.196418] dump_stack+0x1fc/0x2ef [ 36.200067] panic+0x26a/0x50e [ 36.203294] ? __warn_printk+0xf3/0xf3 [ 36.207165] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 36.212859] ? __probe_kernel_read+0x130/0x1b0 [ 36.217420] ? __warn.cold+0x5/0x5a [ 36.221025] ? __warn+0xe4/0x200 [ 36.224377] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 36.230069] __warn.cold+0x20/0x5a [ 36.233590] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 36.239278] report_bug+0x262/0x2b0 [ 36.242973] do_error_trap+0x1d7/0x310 [ 36.246839] ? math_error+0x310/0x310 [ 36.250623] ? __irq_work_queue_local+0x101/0x160 [ 36.255484] ? irq_work_queue+0x29/0x80 [ 36.259438] ? error_entry+0x72/0xd0 [ 36.263133] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.268129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.272950] invalid_op+0x14/0x20 [ 36.276383] RIP: 0010:ieee80211_bss_info_change_notify+0x824/0x920 [ 36.282683] Code: 00 00 48 8b ab 28 05 00 00 48 85 ed 74 53 e8 53 1e cd f9 e8 4e 1e cd f9 44 89 fa 48 89 ee 48 c7 c7 c0 3f 67 89 e8 21 56 5d 00 <0f> 0b e9 19 f9 ff ff e8 30 1e cd f9 0f 0b e9 0a fb ff ff e8 24 1e [ 36.301669] RSP: 0018:ffff8880b27c7600 EFLAGS: 00010282 [ 36.307010] RAX: 0000000000000000 RBX: ffff888095150d40 RCX: 0000000000000000 [ 36.314263] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10164f8eb2 [ 36.321521] RBP: ffff888095150240 R08: 0000000000000001 R09: 0000000000000000 [ 36.328769] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000002000000 [ 36.336126] R13: ffff888095151cf8 R14: 0000000000000000 R15: 0000000000000004 [ 36.343484] ? vprintk_func+0x81/0x180 [ 36.347368] ieee80211_set_mcast_rate+0x37/0x40 [ 36.352026] ? ieee80211_set_wds_peer+0x30/0x30 [ 36.356677] nl80211_set_mcast_rate+0x355/0x930 [ 36.361323] ? nl80211_set_bss+0xf50/0xf50 [ 36.365542] ? nl80211_pre_doit+0xa2/0x620 [ 36.369762] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 36.374933] genl_family_rcv_msg+0x642/0xc40 [ 36.379323] ? genl_rcv+0x40/0x40 [ 36.382753] ? genl_rcv_msg+0x12f/0x160 [ 36.386705] ? mutex_trylock+0x1a0/0x1a0 [ 36.390750] ? __radix_tree_lookup+0x216/0x370 [ 36.395313] genl_rcv_msg+0xbf/0x160 [ 36.399007] netlink_rcv_skb+0x160/0x440 [ 36.403047] ? genl_family_rcv_msg+0xc40/0xc40 [ 36.407609] ? netlink_ack+0xae0/0xae0 [ 36.411476] ? genl_rcv+0x15/0x40 [ 36.414912] genl_rcv+0x24/0x40 [ 36.418172] netlink_unicast+0x4d5/0x690 [ 36.422215] ? netlink_sendskb+0x110/0x110 [ 36.426433] ? _copy_from_iter_full+0x229/0x7c0 [ 36.431086] ? __phys_addr_symbol+0x2c/0x70 [ 36.435388] ? __check_object_size+0x17b/0x3e0 [ 36.440034] netlink_sendmsg+0x6c3/0xc50 [ 36.444249] ? aa_af_perm+0x230/0x230 [ 36.448028] ? nlmsg_notify+0x1f0/0x1f0 [ 36.451978] ? kernel_recvmsg+0x220/0x220 [ 36.456108] ? nlmsg_notify+0x1f0/0x1f0 [ 36.460062] sock_sendmsg+0xc3/0x120 [ 36.463758] ___sys_sendmsg+0x7bb/0x8e0 [ 36.467712] ? copy_msghdr_from_user+0x440/0x440 [ 36.472453] ? apparmor_file_receive+0x160/0x160 [ 36.477188] ? sock_ioctl+0x30e/0x5d0 [ 36.480967] ? dlci_ioctl_set+0x30/0x30 [ 36.484945] ? mark_held_locks+0xf0/0xf0 [ 36.488995] ? percpu_counter_add_batch+0x126/0x180 [ 36.494001] ? alloc_empty_file+0xd7/0x170 [ 36.498220] ? dlci_ioctl_set+0x30/0x30 [ 36.502186] ? do_vfs_ioctl+0x110/0x12e0 [ 36.506232] ? __fd_install+0x1b4/0x610 [ 36.510201] ? ioctl_preallocate+0x200/0x200 [ 36.514601] ? __fdget+0x1a0/0x230 [ 36.518128] __x64_sys_sendmsg+0x132/0x220 [ 36.522344] ? __sys_sendmsg+0x1b0/0x1b0 [ 36.526397] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.531743] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.536741] ? do_syscall_64+0x21/0x620 [ 36.540698] do_syscall_64+0xf9/0x620 [ 36.544479] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.549649] RIP: 0033:0x7f45d7080aa9 [ 36.553341] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 36.572219] RSP: 002b:00007ffdf4ab9658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.579903] RAX: ffffffffffffffda RBX: 00007f45d70fa3a0 RCX: 00007f45d7080aa9 [ 36.587158] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 36.594663] RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001 [ 36.601909] R10: 0000000c00000001 R11: 0000000000000246 R12: 0000000000000031 [ 36.609241] R13: 00007ffdf4ab96a0 R14: 00007ffdf4ab968a R15: 00007f45d70fa410 [ 36.616973] Kernel Offset: disabled [ 36.620641] Rebooting in 86400 seconds..