divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.17.0-rc3-syzkaller-00043-gf4bc5bbb5fef #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ath9k_htc_choose_bslot drivers/net/wireless/ath/ath9k/htc_drv_beacon.c:277 [inline]
RIP: 0010:ath9k_htc_swba+0x1b2/0xc70 drivers/net/wireless/ath/ath9k/htc_drv_beacon.c:310
Code: c0 40 84 c6 0f 85 db 09 00 00 48 8b 55 00 0f b7 c9 bd 01 00 00 00 48 0f ca 48 89 d0 c1 ea 0a 48 c1 e8 20 c1 e0 16 09 d0 31 d2 <f7> f1 8d 04 12 31 d2 f7 f1 29 c5 48 8d 83 b0 03 00 00 48 89 c7 48
RSP: 0018:ffffc90000d97cb0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880753933a0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff851af65a R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88801ac5e40c R15: ffff88801da0f1f0
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4544ba9edb CR3: 000000000b88e000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 ath9k_wmi_event_tasklet+0x337/0x450 drivers/net/wireless/ath/ath9k/wmi.c:165
 tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:784
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 run_ksoftirqd kernel/softirq.c:921 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:913
 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
 kthread+0x2e9/0x3a0 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules
----------------
Code disassembly (best guess):
   0:	c0 40 84 c6          	rolb   $0xc6,-0x7c(%rax)
   4:	0f 85 db 09 00 00    	jne    0x9e5
   a:	48 8b 55 00          	mov    0x0(%rbp),%rdx
   e:	0f b7 c9             	movzwl %cx,%ecx
  11:	bd 01 00 00 00       	mov    $0x1,%ebp
  16:	48 0f ca             	bswap  %rdx
  19:	48 89 d0             	mov    %rdx,%rax
  1c:	c1 ea 0a             	shr    $0xa,%edx
  1f:	48 c1 e8 20          	shr    $0x20,%rax
  23:	c1 e0 16             	shl    $0x16,%eax
  26:	09 d0                	or     %edx,%eax
  28:	31 d2                	xor    %edx,%edx
* 2a:	f7 f1                	div    %ecx <-- trapping instruction
  2c:	8d 04 12             	lea    (%rdx,%rdx,1),%eax
  2f:	31 d2                	xor    %edx,%edx
  31:	f7 f1                	div    %ecx
  33:	29 c5                	sub    %eax,%ebp
  35:	48 8d 83 b0 03 00 00 	lea    0x3b0(%rbx),%rax
  3c:	48 89 c7             	mov    %rax,%rdi
  3f:	48                   	rex.W