Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.122' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 34.226382] syz-executor120 uses obsolete (PF_INET,SOCK_PACKET) [ 34.248878] ------------[ cut here ]------------ [ 34.253716] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [ 34.262194] WARNING: CPU: 0 PID: 8121 at net/mac80211/driver-ops.h:17 drv_remove_interface+0x56e/0x710 [ 34.271672] Kernel panic - not syncing: panic_on_warn set ... [ 34.271672] [ 34.279054] CPU: 0 PID: 8121 Comm: syz-executor120 Not tainted 4.19.155-syzkaller #0 [ 34.286925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.296295] Call Trace: [ 34.298881] dump_stack+0x1fc/0x2fe [ 34.302533] panic+0x26a/0x50e [ 34.305720] ? __warn_printk+0xf3/0xf3 [ 34.309686] ? drv_remove_interface+0x56e/0x710 [ 34.314351] ? __probe_kernel_read+0x130/0x1b0 [ 34.318932] ? __warn.cold+0x5/0x61 [ 34.322546] ? __warn+0xe4/0x200 [ 34.326048] ? drv_remove_interface+0x56e/0x710 [ 34.330723] __warn.cold+0x20/0x61 [ 34.334278] ? io_schedule_timeout+0x140/0x140 [ 34.338878] ? drv_remove_interface+0x56e/0x710 [ 34.343631] report_bug+0x262/0x2b0 [ 34.347269] do_error_trap+0x1d7/0x310 [ 34.351155] ? math_error+0x310/0x310 [ 34.354968] ? __irq_work_queue_local+0x101/0x160 [ 34.359827] ? irq_work_queue+0x29/0x80 [ 34.364226] ? error_entry+0x72/0xd0 [ 34.367929] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.372935] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.377814] invalid_op+0x14/0x20 [ 34.381269] RIP: 0010:drv_remove_interface+0x56e/0x710 [ 34.386531] Code: 00 00 48 85 db 0f 84 f9 00 00 00 e8 8c dd af f9 48 89 dd e8 84 dd af f9 44 89 ea 48 89 ee 48 c7 c7 e0 8c 66 89 e8 bd bb 83 f9 <0f> 0b 5b 5d 41 5c 41 5d 41 5e 41 5f e9 61 dd af f9 e8 5c dd af f9 [ 34.405888] RSP: 0018:ffff8880b12975b8 EFLAGS: 00010282 [ 34.411248] RAX: 0000000000000000 RBX: ffff8880abb14500 RCX: 0000000000000000 [ 34.418519] RDX: 0000000000000000 RSI: ffffffff814fda81 RDI: ffffed1016252ea9 [ 34.425784] RBP: ffff8880abb14500 R08: 0000000000000001 R09: 0000000000000000 [ 34.433039] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8882387a8ba0 [ 34.440311] R13: 0000000000000000 R14: ffff8880abb154f8 R15: 000000000000000f [ 34.447601] ? vprintk_func+0x81/0x17e [ 34.451493] ? drv_remove_interface+0x56e/0x710 [ 34.456183] ieee80211_do_stop+0x114e/0x1ff0 [ 34.460608] ? ieee80211_adjust_monitor_flags+0x230/0x230 [ 34.466135] ? lockdep_rtnl_is_held+0x22/0x30 [ 34.470616] ? dev_deactivate_many+0x9fe/0xe60 [ 34.475187] ? ieee80211_do_stop+0x1ff0/0x1ff0 [ 34.479752] ieee80211_stop+0x1a/0x20 [ 34.483551] __dev_close_many+0x1ab/0x2e0 [ 34.487687] ? netdev_notify_peers+0xc0/0xc0 [ 34.492084] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.496660] __dev_change_flags+0x273/0x660 [ 34.500992] ? dev_set_allmulti+0x30/0x30 [ 34.505216] dev_change_flags+0x7e/0x140 [ 34.509270] devinet_ioctl+0x13c9/0x1b40 [ 34.513320] ? inet_ifa_byprefix+0x1e0/0x1e0 [ 34.517736] ? __might_fault+0x192/0x1d0 [ 34.521812] inet_ioctl+0x1ea/0x360 [ 34.525459] ? inet_sendpage+0x650/0x650 [ 34.529529] ? drop_futex_key_refs+0x6f/0xe0 [ 34.533943] ? futex_wait+0x438/0x590 [ 34.537752] ? futex_wait_setup+0x300/0x300 [ 34.542068] ? wake_up_q+0x93/0xe0 [ 34.545595] packet_ioctl+0xb9/0x2b0 [ 34.549322] sock_do_ioctl+0xcb/0x2d0 [ 34.553129] ? compat_ifr_data_ioctl+0x150/0x150 [ 34.557870] ? __lock_acquire+0x6de/0x3ff0 [ 34.562115] ? do_futex+0x163/0x1c70 [ 34.565826] sock_ioctl+0x2ef/0x5d0 [ 34.569446] ? lock_downgrade+0x720/0x720 [ 34.574464] ? dlci_ioctl_set+0x30/0x30 [ 34.579335] ? check_preemption_disabled+0x41/0x280 [ 34.584640] ? exit_robust_list+0x2e0/0x2e0 [ 34.588960] ? __fget+0x356/0x510 [ 34.592420] ? dlci_ioctl_set+0x30/0x30 [ 34.596380] do_vfs_ioctl+0xcdb/0x12e0 [ 34.600343] ? lock_downgrade+0x720/0x720 [ 34.604478] ? check_preemption_disabled+0x41/0x280 [ 34.609919] ? ioctl_preallocate+0x200/0x200 [ 34.614314] ? __fget+0x356/0x510 [ 34.617785] ? do_dup2+0x450/0x450 [ 34.621310] ? __se_sys_futex+0x298/0x3b0 [ 34.625447] ksys_ioctl+0x9b/0xc0 [ 34.628886] __x64_sys_ioctl+0x6f/0xb0 [ 34.632756] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.637328] do_syscall_64+0xf9/0x620 [ 34.641117] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.646291] RIP: 0033:0x447169 [ 34.649470] Code: e8 5c b1 02 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 6b 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 34.668381] RSP: 002b:00007f9a94e7bd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 34.676080] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 0000000000447169 [ 34.683434] RDX: 0000000020001000 RSI: 0000000000008914 RDI: 0000000000000003 [ 34.690689] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 34.697945] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 34.705199] R13: 0000000000000000 R14: 000000306e616c77 R15: 0000000000000fb0 [ 34.714227] Kernel Offset: disabled [ 34.718180] Rebooting in 86400 seconds..