[ OK ] Started System Logging Service. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started Getty on tty6. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. syzkaller login: [ 33.669109] IPVS: ftp: loaded support on port[0] = 21 [ 33.721537] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 33.729772] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.742386] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.751367] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready executing program [ 33.765547] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 33.775879] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.784772] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.793350] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 33.809196] ------------[ cut here ]------------ [ 33.814011] wlan1: Failed check-sdata-in-driver check, flags: 0x4 [ 33.822105] WARNING: CPU: 1 PID: 8095 at net/mac80211/driver-ops.h:17 ieee80211_bss_info_change_notify+0x824/0x920 [ 33.832766] Kernel panic - not syncing: panic_on_warn set ... [ 33.832766] [ 33.840129] CPU: 1 PID: 8095 Comm: syz-executor296 Not tainted 4.19.155-syzkaller #0 [ 33.848018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.857350] Call Trace: [ 33.859943] dump_stack+0x1fc/0x2fe [ 33.863550] panic+0x26a/0x50e [ 33.866728] ? __warn_printk+0xf3/0xf3 [ 33.870599] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 33.876292] ? __probe_kernel_read+0x130/0x1b0 [ 33.880851] ? __warn.cold+0x5/0x61 [ 33.884456] ? __warn+0xe4/0x200 [ 33.887806] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 33.893494] __warn.cold+0x20/0x61 [ 33.897046] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 33.902747] report_bug+0x262/0x2b0 [ 33.906456] do_error_trap+0x1d7/0x310 [ 33.910325] ? math_error+0x310/0x310 [ 33.914109] ? __irq_work_queue_local+0x101/0x160 [ 33.918938] ? irq_work_queue+0x29/0x80 [ 33.922894] ? error_entry+0x72/0xd0 [ 33.926590] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.931587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.936411] invalid_op+0x14/0x20 [ 33.939857] RIP: 0010:ieee80211_bss_info_change_notify+0x824/0x920 [ 33.946159] Code: 00 00 48 8b ab 28 05 00 00 48 85 ed 74 53 e8 13 6c b0 f9 e8 0e 6c b0 f9 44 89 fa 48 89 ee 48 c7 c7 00 85 66 89 e8 47 4a 84 f9 <0f> 0b e9 19 f9 ff ff e8 f0 6b b0 f9 0f 0b e9 0a fb ff ff e8 e4 6b [ 33.965053] RSP: 0018:ffff88809c7c7600 EFLAGS: 00010282 [ 33.970411] RAX: 0000000000000000 RBX: ffff8880953c5880 RCX: 0000000000000000 [ 33.977661] RDX: 0000000000000000 RSI: ffffffff814fda81 RDI: ffffed10138f8eb2 [ 33.984931] RBP: ffff8880953c4dc0 R08: 0000000000000001 R09: 0000000000000000 [ 33.992190] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000002000000 [ 33.999798] R13: ffff8880953c6810 R14: 0000000000000000 R15: 0000000000000004 [ 34.007066] ? vprintk_func+0x81/0x17e [ 34.010945] ieee80211_set_mcast_rate+0x37/0x40 [ 34.015599] ? ieee80211_set_wds_peer+0x30/0x30 [ 34.020255] nl80211_set_mcast_rate+0x355/0x930 [ 34.024911] ? nl80211_set_bss+0xf50/0xf50 [ 34.029128] ? nl80211_pre_doit+0xa2/0x620 [ 34.033349] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 34.038523] genl_family_rcv_msg+0x642/0xc40 [ 34.042914] ? genl_rcv+0x40/0x40 [ 34.046346] ? genl_rcv_msg+0x12f/0x160 [ 34.050315] ? __mutex_add_waiter+0x160/0x160 [ 34.054808] ? __radix_tree_lookup+0x216/0x370 [ 34.059376] genl_rcv_msg+0xbf/0x160 [ 34.063070] netlink_rcv_skb+0x160/0x440 [ 34.067135] ? genl_family_rcv_msg+0xc40/0xc40 [ 34.071696] ? netlink_ack+0xae0/0xae0 [ 34.075583] ? genl_rcv+0x15/0x40 [ 34.079025] genl_rcv+0x24/0x40 [ 34.082292] netlink_unicast+0x4d5/0x690 [ 34.086347] ? netlink_sendskb+0x110/0x110 [ 34.090751] ? _copy_from_iter_full+0x229/0x7c0 [ 34.095402] ? __phys_addr_symbol+0x2c/0x70 [ 34.099706] ? __check_object_size+0x17b/0x3d1 [ 34.104271] netlink_sendmsg+0x6bb/0xc40 [ 34.108317] ? aa_af_perm+0x230/0x230 [ 34.112099] ? nlmsg_notify+0x1a0/0x1a0 [ 34.116054] ? kernel_recvmsg+0x220/0x220 [ 34.120199] ? nlmsg_notify+0x1a0/0x1a0 [ 34.124151] sock_sendmsg+0xc3/0x120 [ 34.127844] ___sys_sendmsg+0x7bb/0x8e0 [ 34.131798] ? copy_msghdr_from_user+0x440/0x440 [ 34.136552] ? sock_ioctl+0x30e/0x5d0 [ 34.140357] ? dlci_ioctl_set+0x30/0x30 [ 34.144309] ? lock_downgrade+0x720/0x720 [ 34.148440] ? lock_acquire+0x170/0x3c0 [ 34.152391] ? debug_object_active_state+0x104/0x330 [ 34.157473] ? mark_held_locks+0xf0/0xf0 [ 34.161516] ? dlci_ioctl_set+0x30/0x30 [ 34.165470] ? do_vfs_ioctl+0x110/0x12e0 [ 34.169513] ? ioctl_preallocate+0x200/0x200 [ 34.173902] ? __fdget+0x1a0/0x230 [ 34.177437] __x64_sys_sendmsg+0x132/0x220 [ 34.181651] ? __sys_sendmsg+0x1b0/0x1b0 [ 34.185709] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.191054] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.196049] ? do_syscall_64+0x21/0x620 [ 34.200002] do_syscall_64+0xf9/0x620 [ 34.203782] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.208948] RIP: 0033:0x4417b9 [ 34.212122] 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 [ 34.231002] RSP: 002b:00007ffca7044fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.238705] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004417b9 [ 34.245955] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000005 [ 34.253201] RBP: 000000316e616c77 R08: 0000001d00000000 R09: 0000001d00000000 [ 34.260586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 34.267969] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 34.276165] Kernel Offset: disabled [ 34.279845] Rebooting in 86400 seconds..