[ 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 '10.128.0.60' (ECDSA) to the list of known hosts. syzkaller login: [ 36.186643] IPVS: ftp: loaded support on port[0] = 21 [ 36.250179] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.257791] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.257815] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.259009] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 36.295287] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.302276] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.310659] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.318581] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.332417] netlink: 20 bytes leftover after parsing attributes in process `syz-executor384'. [ 36.342318] WARNING: CPU: 0 PID: 8108 at net/mac80211/rate.c:279 ieee80211_check_rate_mask+0x243/0x2c0 [ 36.351848] Kernel panic - not syncing: panic_on_warn set ... [ 36.351848] [ 36.359205] CPU: 0 PID: 8108 Comm: syz-executor384 Not tainted 4.19.155-syzkaller #0 [ 36.367064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.376495] Call Trace: [ 36.379069] dump_stack+0x1fc/0x2fe [ 36.382677] panic+0x26a/0x50e [ 36.385851] ? __warn_printk+0xf3/0xf3 [ 36.389724] ? ieee80211_check_rate_mask+0x243/0x2c0 [ 36.394817] ? __probe_kernel_read+0x130/0x1b0 [ 36.399378] ? __warn.cold+0x5/0x61 [ 36.402983] ? __warn+0xe4/0x200 [ 36.406328] ? ieee80211_check_rate_mask+0x243/0x2c0 [ 36.411411] __warn.cold+0x20/0x61 [ 36.414943] ? ieee80211_check_rate_mask+0x243/0x2c0 [ 36.420026] report_bug+0x262/0x2b0 [ 36.423634] do_error_trap+0x1d7/0x310 [ 36.427502] ? math_error+0x310/0x310 [ 36.431293] ? error_entry+0x72/0xd0 [ 36.434983] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.439996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.444822] invalid_op+0x14/0x20 [ 36.448268] RIP: 0010:ieee80211_check_rate_mask+0x243/0x2c0 [ 36.453971] Code: 83 c2 03 38 ca 7c 04 84 c9 75 47 89 84 ab c8 09 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f e9 b2 36 a9 f9 e8 ad 36 a9 f9 <0f> 0b eb e4 e8 54 5f df f9 e9 ed fd ff ff 4c 89 ef e8 47 5f df f9 [ 36.473138] RSP: 0018:ffff88809f05f578 EFLAGS: 00010293 [ 36.478496] RAX: ffff8880b27e4140 RBX: ffff8880b02e9c80 RCX: ffffffff87bb9626 [ 36.485749] RDX: 0000000000000000 RSI: ffffffff87bb97e3 RDI: 0000000000000005 [ 36.493030] RBP: ffff8880a257a8d8 R08: ffff8880b02eac48 R09: 0000000000000000 [ 36.500387] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 36.507666] R13: 00000000ffffffff R14: ffff8880b02e9c80 R15: 0000000000000000 [ 36.514936] ? ieee80211_check_rate_mask+0x86/0x2c0 [ 36.519938] ? ieee80211_check_rate_mask+0x243/0x2c0 [ 36.525032] ? ieee80211_check_rate_mask+0x243/0x2c0 [ 36.530137] ieee80211_change_bss+0x528/0xbd0 [ 36.534625] nl80211_set_bss+0x78d/0xf50 [ 36.538695] ? nl80211_del_station+0xa00/0xa00 [ 36.543281] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 36.548382] ? nl80211_pre_doit+0xa2/0x620 [ 36.552738] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 36.557912] genl_family_rcv_msg+0x642/0xc40 [ 36.562346] ? genl_rcv+0x40/0x40 [ 36.565779] ? genl_rcv_msg+0x12f/0x160 [ 36.569910] ? __mutex_add_waiter+0x160/0x160 [ 36.574389] ? __radix_tree_lookup+0x216/0x370 [ 36.578957] genl_rcv_msg+0xbf/0x160 [ 36.582664] netlink_rcv_skb+0x160/0x440 [ 36.586704] ? genl_family_rcv_msg+0xc40/0xc40 [ 36.591267] ? netlink_ack+0xae0/0xae0 [ 36.595138] ? genl_rcv+0x15/0x40 [ 36.598575] genl_rcv+0x24/0x40 [ 36.601833] netlink_unicast+0x4d5/0x690 [ 36.605876] ? netlink_sendskb+0x110/0x110 [ 36.610097] ? _copy_from_iter_full+0x229/0x7c0 [ 36.614755] ? __phys_addr_symbol+0x2c/0x70 [ 36.619061] ? __check_object_size+0x17b/0x3d1 [ 36.623638] netlink_sendmsg+0x6bb/0xc40 [ 36.627682] ? aa_af_perm+0x230/0x230 [ 36.631474] ? nlmsg_notify+0x1a0/0x1a0 [ 36.635438] ? kernel_recvmsg+0x220/0x220 [ 36.639569] ? nlmsg_notify+0x1a0/0x1a0 [ 36.643529] sock_sendmsg+0xc3/0x120 [ 36.647223] ___sys_sendmsg+0x7bb/0x8e0 [ 36.651176] ? lock_acquire+0x170/0x3c0 [ 36.655127] ? copy_msghdr_from_user+0x440/0x440 [ 36.659869] ? lock_downgrade+0x720/0x720 [ 36.664009] ? lock_acquire+0x170/0x3c0 [ 36.667968] ? debug_object_active_state+0x104/0x330 [ 36.673066] ? mark_held_locks+0xf0/0xf0 [ 36.677107] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.681669] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 36.686756] ? debug_object_active_state+0x254/0x330 [ 36.691846] ? debug_object_init_on_stack+0x20/0x20 [ 36.696841] ? kfree+0x110/0x210 [ 36.700187] ? __fdget+0x1a0/0x230 [ 36.703717] __x64_sys_sendmsg+0x132/0x220 [ 36.707940] ? __sys_sendmsg+0x1b0/0x1b0 [ 36.711991] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.717336] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.722342] ? do_syscall_64+0x21/0x620 [ 36.726309] do_syscall_64+0xf9/0x620 [ 36.730093] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.735270] RIP: 0033:0x4419b9 [ 36.738444] 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 [ 36.757324] RSP: 002b:00007ffd4db436d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.765022] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004419b9 [ 36.772275] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004 [ 36.779527] RBP: 000000306e616c77 R08: 0000000000000000 R09: 0000001d00000000 [ 36.786776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 36.794458] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 36.802768] Kernel Offset: disabled [ 36.806434] Rebooting in 86400 seconds..