divide error: 0000 [#1] SMP KASAN CPU: 0 PID: 10 Comm: ksoftirqd/0 Not tainted 5.14.0-rc3-syzkaller #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 f1 8d 04 12 31 d2 f7 f1 29 c5 48 8d 83 b0 03 00 00 48 89 c7 48 RSP: 0018:ffffc900000afca8 EFLAGS: 00010246 RAX: 00000000c4004319 RBX: ffff888114b8b240 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff830aca6a R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88811ac2b40c R15: ffff88810ef241f0 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c92e000 CR3: 0000000143426000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ath9k_wmi_event_tasklet+0x2e7/0x3f0 drivers/net/wireless/ath/ath9k/wmi.c:165 tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:783 __do_softirq+0x1b0/0x910 kernel/softirq.c:558 run_ksoftirqd kernel/softirq.c:920 [inline] run_ksoftirqd+0x21/0x50 kernel/softirq.c:912 smpboot_thread_fn+0x3be/0x860 kernel/smpboot.c:164 kthread+0x3c0/0x4a0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace bb70e8e801384738 ]--- 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 f1 8d 04 12 31 d2 f7 f1 29 c5 48 8d 83 b0 03 00 00 48 89 c7 48 RSP: 0018:ffffc900000afca8 EFLAGS: 00010246 RAX: 00000000c4004319 RBX: ffff888114b8b240 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff830aca6a R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88811ac2b40c R15: ffff88810ef241f0 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c92e000 CR3: 0000000143426000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400