[U] 
WARNING: CPU: 0 PID: 28532 at net/mac80211/offchannel.c:419 ieee80211_start_next_roc+0x1ed/0x240 net/mac80211/offchannel.c:419
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 28532 Comm: syz-executor.0 Not tainted 4.19.205-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:ieee80211_start_next_roc+0x1ed/0x240 net/mac80211/offchannel.c:419
Code: 98 16 00 00 48 89 ef 48 89 c2 e8 0e ea 0a 00 5b 5d e9 f7 47 c9 f9 e8 f2 47 c9 f9 48 89 ef e8 7a 6c ff ff eb 94 e8 e3 47 c9 f9 <0f> 0b eb 8b e8 1a 1a ff f9 e9 be fe ff ff 48 c7 c7 a0 f1 45 8a e8
RSP: 0018:ffff88803b437318 EFLAGS: 00010202
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90007a45000
RDX: 00000000000017e0 RSI: ffffffff87994add RDI: 0000000000000001
RBP: ffff88804074a080 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: dffffc0000000000 R15: ffff88804074af60
 __ieee80211_scan_completed+0x571/0x1690 net/mac80211/scan.c:442
 ieee80211_scan_cancel+0x340/0x940 net/mac80211/scan.c:1168
 ieee80211_do_stop+0x18c6/0x1ff0 net/mac80211/iface.c:813
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1545 [inline]
 ieee80211_if_change_type+0x2b5/0x7a0 net/mac80211/iface.c:1581
 ieee80211_change_iface+0x26/0x220 net/mac80211/cfg.c:157
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x2e1/0x1520 net/wireless/util.c:979
 nl80211_set_interface+0x661/0x830 net/wireless/nl80211.c:3205
 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2457
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1911
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2225
 __sys_sendmsg net/socket.c:2263 [inline]
 __do_sys_sendmsg net/socket.c:2272 [inline]
 __se_sys_sendmsg net/socket.c:2270 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2270
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5f23315188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff3134adff R14: 00007f5f23315300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..