Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 29.255971] syz-executor507 uses obsolete (PF_INET,SOCK_PACKET) [ 29.276596] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [ 29.285528] ------------[ cut here ]------------ [ 29.290286] WARNING: CPU: 0 PID: 7984 at net/mac80211/driver-ops.h:16 drv_remove_interface.cold+0x4a/0x66 [ 29.299984] Kernel panic - not syncing: panic_on_warn set ... [ 29.299984] [ 29.307324] CPU: 0 PID: 7984 Comm: syz-executor507 Not tainted 4.14.203-syzkaller #0 [ 29.315195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.324687] Call Trace: [ 29.327277] dump_stack+0x1b2/0x283 [ 29.330894] panic+0x1f9/0x42d [ 29.334068] ? add_taint.cold+0x16/0x16 [ 29.338037] ? drv_remove_interface.cold+0x4a/0x66 [ 29.342978] ? drv_remove_interface.cold+0x4a/0x66 [ 29.347886] __warn.cold+0x20/0x4b [ 29.351416] ? ist_end_non_atomic+0x10/0x10 [ 29.355729] ? drv_remove_interface.cold+0x4a/0x66 [ 29.360728] report_bug+0x208/0x249 [ 29.364338] do_error_trap+0x195/0x2d0 [ 29.368392] ? math_error+0x2d0/0x2d0 [ 29.372176] ? ___preempt_schedule+0x16/0x18 [ 29.376569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.381403] invalid_op+0x1b/0x40 [ 29.384850] RIP: 0010:drv_remove_interface.cold+0x4a/0x66 [ 29.390379] RSP: 0018:ffff8880964c7940 EFLAGS: 00010282 [ 29.395719] RAX: 0000000000000036 RBX: ffff8880ab834e80 RCX: 0000000000000000 [ 29.402966] RDX: 0000000000000000 RSI: ffffffff878bb940 RDI: ffffed1012c98f1e [ 29.410219] RBP: ffff8880ab8343c0 R08: 0000000000000036 R09: 0000000000000000 [ 29.417487] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882382d8be0 [ 29.424749] R13: 0000000000000000 R14: ffff8880ab8353b0 R15: 000000000000000f [ 29.432027] ieee80211_do_stop+0xfbb/0x1db0 [ 29.436344] ? mark_held_locks+0xa6/0xf0 [ 29.440384] ? rtnl_is_locked+0x5/0x20 [ 29.444250] ? ieee80211_add_virtual_monitor+0x7d0/0x7d0 [ 29.449679] ? lockdep_rtnl_is_held+0x16/0x20 [ 29.454248] ? dev_deactivate_many+0x6ab/0x960 [ 29.458811] ? ieee80211_do_stop+0x1db0/0x1db0 [ 29.463370] ieee80211_stop+0x1a/0x20 [ 29.467157] __dev_close_many+0x1a0/0x270 [ 29.471306] ? dev_remove_offload+0x1f0/0x1f0 [ 29.475779] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 29.480783] __dev_change_flags+0x21f/0x540 [ 29.485095] ? dev_set_allmulti+0x30/0x30 [ 29.489245] dev_change_flags+0x7e/0x130 [ 29.493304] devinet_ioctl+0xe5c/0x1520 [ 29.497260] ? inet_ifa_byprefix+0x160/0x160 [ 29.501652] inet_ioctl+0xf6/0x190 [ 29.505179] packet_ioctl+0xab/0x290 [ 29.508872] sock_ioctl+0x2cc/0x4c0 [ 29.512490] ? sock_release+0x1e0/0x1e0 [ 29.516442] do_vfs_ioctl+0x75a/0xff0 [ 29.520234] ? ioctl_preallocate+0x1a0/0x1a0 [ 29.524637] ? lock_downgrade+0x740/0x740 [ 29.528768] ? __fget+0x225/0x360 [ 29.532211] ? do_vfs_ioctl+0xff0/0xff0 [ 29.536175] ? security_file_ioctl+0x83/0xb0 [ 29.540576] SyS_ioctl+0x7f/0xb0 [ 29.543941] ? do_vfs_ioctl+0xff0/0xff0 [ 29.547898] do_syscall_64+0x1d5/0x640 [ 29.551769] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.556938] RIP: 0033:0x447169 [ 29.560107] RSP: 002b:00007f4fb8772d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 29.567803] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 0000000000447169 [ 29.575050] RDX: 0000000020001000 RSI: 0000000000008914 RDI: 0000000000000003 [ 29.582300] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 29.589549] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 29.596799] R13: 0000000000000000 R14: 000000306e616c77 R15: 0000000000000fb0 [ 29.605280] Kernel Offset: disabled [ 29.608983] Rebooting in 86400 seconds..