------------[ cut here ]------------
WARNING: CPU: 0 PID: 4478 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 0 PID: 4478 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x148c/0x19cc net/mac80211/tx.c:5265
Modules linked in:
CPU: 0 PID: 4478 Comm: syz.0.15 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400005 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
pc : __ieee80211_beacon_get+0x148c/0x19cc net/mac80211/tx.c:5265
lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
lr : __ieee80211_beacon_get+0x148c/0x19cc net/mac80211/tx.c:5265
sp : ffff800008007920
x29: ffff800008007ad0 x28: ffff800008007b3c x27: ffff0000dae5ec58
x26: ffff0000c7808ea0 x25: ffff0000dae5ee00 x24: ffff0000f5c88c80
x23: 0000000000000000 x22: 0000000000000001 x21: ffff700001000f34
x20: ffff0000f5c8a790 x19: dfff800000000000 x18: 00000000de121d96
x17: 00000000ffff0000 x16: ffff8000082d0ec0 x15: 0000000000000000
x14: 0000000000000007 x13: 0000000000ff0100 x12: 0000000000ff0100
x11: ff008000112405bc x10: 0000000000000000 x9 : ffff8000112405bc
x8 : ffff0000d0e00000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80001123f3d8
x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
 __ieee80211_beacon_get+0x148c/0x19cc net/mac80211/tx.c:5265
 ieee80211_beacon_get_tim+0x68/0x444 net/mac80211/tx.c:5352
 ieee80211_beacon_get include/net/mac80211.h:5262 [inline]
 mac80211_hwsim_beacon_tx+0x1e8/0x914 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xc8/0x1b8 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1752 [inline]
 __hrtimer_run_queues+0x44c/0xc64 kernel/time/hrtimer.c:1816
 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1833
 handle_softirqs+0x318/0xc6c kernel/softirq.c:596
 __do_softirq+0x14/0x20 kernel/softirq.c:630
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x30 arch/arm64/kernel/entry.S:849
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:477 [inline]
 __irq_exit_rcu+0x23c/0x43c kernel/softirq.c:679
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:691
 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline]
 el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:486
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
 _raw_spin_unlock_irqrestore+0x58/0xac kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 snd_rawmidi_kernel_write1+0x290/0x63c sound/core/rawmidi.c:1548
 snd_rawmidi_write+0x474/0x920 sound/core/rawmidi.c:1618
 do_loop_readv_writev fs/read_write.c:-1 [inline]
 do_iter_write+0x3cc/0x91c fs/read_write.c:863
 vfs_writev fs/read_write.c:934 [inline]
 do_writev+0x1e0/0x380 fs/read_write.c:977
 __do_sys_writev fs/read_write.c:1050 [inline]
 __se_sys_writev fs/read_write.c:1047 [inline]
 __arm64_sys_writev+0x80/0x94 fs/read_write.c:1047
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 220419
hardirqs last  enabled at (220418): [<ffff800011a34624>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (220418): [<ffff800011a34624>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (220419): [<ffff800011948d00>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (214412): [<ffff8000081a9670>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (214412): [<ffff8000081a9670>] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624
softirqs last disabled at (220321): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---