------------[ cut here ]------------
WARNING: CPU: 1 PID: 21 at drivers/net/wireless/ath/ath6kl/htc_pipe.c:963 ath6kl_htc_pipe_rx_complete+0xc58/0xef0 drivers/net/wireless/ath/ath6kl/htc_pipe.c:963
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.8.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events ath6kl_usb_io_comp_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xf6/0x16e lib/dump_stack.c:118
 panic+0x2aa/0x6e1 kernel/panic.c:231
 __warn.cold+0x2f/0x35 kernel/panic.c:600
 report_bug+0x271/0x2f0 lib/bug.c:198
 exc_invalid_op+0x1e4/0x370 arch/x86/kernel/traps.c:235
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563
RIP: 0010:ath6kl_htc_pipe_rx_complete+0xc58/0xef0 drivers/net/wireless/ath/ath6kl/htc_pipe.c:963
Code: 45 31 ed e8 da 1c b6 02 e9 01 fb ff ff 4c 8b 74 24 70 4c 8b 6c 24 60 e8 56 1c 5c fe 8b 5c 24 6c e9 3b f9 ff ff e8 48 1c 5c fe <0f> 0b 48 c7 c7 40 e7 29 86 41 bc ea ff ff ff e8 ff 80 fe ff e9 cb
RSP: 0018:ffff8881da317bd0 EFLAGS: 00010293
RAX: ffff8881da24e400 RBX: ffff8881cd750c80 RCX: 1ffffffff0c53d1e
RDX: 0000000000000000 RSI: ffffffff82e352d8 RDI: ffff8881cd750cf0
RBP: dffffc0000000000 R08: ffff8881da24e400 R09: 0000000000000001
R10: ffffffff893926f7 R11: fffffbfff12724de R12: ffff8881cd7ea000
R13: ffff8881cf82c000 R14: 0000000000000000 R15: 0000000000000000
 ath6kl_usb_io_comp_work+0x11e/0x160 drivers/net/wireless/ath/ath6kl/usb.c:598
 process_one_work+0x965/0x1620 kernel/workqueue.c:2269
 worker_thread+0x96/0xe10 kernel/workqueue.c:2415
 kthread+0x352/0x460 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Kernel Offset: disabled