divide error: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.8.0-rc3-next-20240209-syzkaller-05901-g445a555e0623 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:ath9k_htc_choose_bslot drivers/net/wireless/ath/ath9k/htc_drv_beacon.c:277 [inline] RIP: 0010:ath9k_htc_swba+0x18e/0xbb0 drivers/net/wireless/ath/ath9k/htc_drv_beacon.c:310 Code: e8 03 42 0f b6 04 20 84 c0 0f 85 75 08 00 00 48 8b 45 00 48 0f c8 48 89 c1 48 c1 e9 0a 81 e1 00 00 c0 ff c1 e8 0a 09 c8 31 d2 f3 8d 04 12 31 d2 f7 f3 41 bf 01 00 00 00 41 29 c7 4d 8d b5 b0 RSP: 0018:ffffc90000147a60 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888028f2cc0c R08: ffffffff86a4cceb R09: ffffffff86a36d62 R10: 0000000000000003 R11: ffff888016eb3c00 R12: dffffc0000000000 R13: ffff888076ef3060 R14: ffff888028f2cc13 R15: ffff888076ef3488 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001038 CR3: 00000000222b0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ath9k_wmi_event_tasklet+0x2ff/0x490 drivers/net/wireless/ath/ath9k/wmi.c:165 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:781 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 run_ksoftirqd+0xc5/0x130 kernel/softirq.c:924 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:242 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ath9k_htc_choose_bslot drivers/net/wireless/ath/ath9k/htc_drv_beacon.c:277 [inline] RIP: 0010:ath9k_htc_swba+0x18e/0xbb0 drivers/net/wireless/ath/ath9k/htc_drv_beacon.c:310 Code: e8 03 42 0f b6 04 20 84 c0 0f 85 75 08 00 00 48 8b 45 00 48 0f c8 48 89 c1 48 c1 e9 0a 81 e1 00 00 c0 ff c1 e8 0a 09 c8 31 d2 f3 8d 04 12 31 d2 f7 f3 41 bf 01 00 00 00 41 29 c7 4d 8d b5 b0 RSP: 0018:ffffc90000147a60 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888028f2cc0c R08: ffffffff86a4cceb R09: ffffffff86a36d62 R10: 0000000000000003 R11: ffff888016eb3c00 R12: dffffc0000000000 R13: ffff888076ef3060 R14: ffff888028f2cc13 R15: ffff888076ef3488 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001038 CR3: 00000000222b0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e8 03 42 0f b6 call 0xb60f4208 5: 04 20 add $0x20,%al 7: 84 c0 test %al,%al 9: 0f 85 75 08 00 00 jne 0x884 f: 48 8b 45 00 mov 0x0(%rbp),%rax 13: 48 0f c8 bswap %rax 16: 48 89 c1 mov %rax,%rcx 19: 48 c1 e9 0a shr $0xa,%rcx 1d: 81 e1 00 00 c0 ff and $0xffc00000,%ecx 23: c1 e8 0a shr $0xa,%eax 26: 09 c8 or %ecx,%eax 28: 31 d2 xor %edx,%edx * 2a: f7 f3 div %ebx <-- trapping instruction 2c: 8d 04 12 lea (%rdx,%rdx,1),%eax 2f: 31 d2 xor %edx,%edx 31: f7 f3 div %ebx 33: 41 bf 01 00 00 00 mov $0x1,%r15d 39: 41 29 c7 sub %eax,%r15d 3c: 4d rex.WRB 3d: 8d .byte 0x8d 3e: b5 b0 mov $0xb0,%ch