WARNING: CPU: 0 PID: 16140 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: 16140 Comm: syz-executor.4 Not tainted 4.19.211-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 ec 0a 00 5b 5d e9 17 0e c9 f9 e8 12 0e c9 f9 48 89 ef e8 7a 6c ff ff eb 94 e8 03 0e c9 f9 <0f> 0b eb 8b e8 9a e8 fe f9 e9 be fe ff ff 48 c7 c7 60 f1 45 8a e8
RSP: 0018:ffff8880417876e8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc9000e4aa000
RDX: 0000000000002ac4 RSI: ffffffff8799776d RDI: 0000000000000001
RBP: ffff88804b321bc0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: dffffc0000000000 R15: ffff88804b322aa0
 __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_stop+0x1a/0x20 net/mac80211/iface.c:1080
 __dev_close_many+0x1ab/0x2e0 net/core/dev.c:1485
 __dev_close net/core/dev.c:1497 [inline]
 __dev_change_flags+0x273/0x660 net/core/dev.c:7677
 dev_change_flags+0x7e/0x140 net/core/dev.c:7748
 dev_ifsioc+0x2ce/0x8c0 net/core/dev_ioctl.c:237
 dev_ioctl+0x1ab/0xc50 net/core/dev_ioctl.c:488
 sock_do_ioctl+0x178/0x300 net/socket.c:1038
 sock_ioctl+0x2ef/0x5d0 net/socket.c:1135
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8a509c3ae9
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:00007f8a4df39188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8a50ad6f60 RCX: 00007f8a509c3ae9
RDX: 0000000020000900 RSI: 0000000000008914 RDI: 0000000000000004
RBP: 00007f8a50a1df25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffb246ff9f R14: 00007f8a4df39300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..