------------[ cut here ]------------ WARNING: CPU: 1 PID: 12217 at net/mac80211/tx.c:4934 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] WARNING: CPU: 1 PID: 12217 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1520/0x1aac net/mac80211/tx.c:5255 Modules linked in: CPU: 1 PID: 12217 Comm: syz.0.12647 Not tainted 6.1.131-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] pc : __ieee80211_beacon_get+0x1520/0x1aac net/mac80211/tx.c:5255 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] lr : __ieee80211_beacon_get+0x1520/0x1aac net/mac80211/tx.c:5255 sp : ffff8000080178c0 x29: ffff800008017a80 x28: ffff700001002f2c x27: ffff0000d43ec200 x26: ffff0000f1448ea0 x25: ffff0000c3172258 x24: ffff800008017b20 x23: ffff0000c9d6d458 x22: ffff0000c3170c80 x21: 0000000000000000 x20: ffff0000c3172790 x19: dfff800000000000 x18: ffff800008017710 x17: 00000000ffff0000 x16: ffff8000084f4bfc x15: 0000000000000000 x14: 0000000000000007 x13: ffff0000d9ab9bc0 x12: 0000000000ff0100 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800011c75848 x8 : ffff0000d9ab9bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800011c745e0 x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] __ieee80211_beacon_get+0x1520/0x1aac net/mac80211/tx.c:5255 ieee80211_beacon_get_tim+0xb4/0x4ec net/mac80211/tx.c:5342 ieee80211_beacon_get include/net/mac80211.h:5249 [inline] mac80211_hwsim_beacon_tx+0x1fc/0x94c drivers/net/wireless/mac80211_hwsim.c:2086 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xcc/0x1c8 drivers/net/wireless/mac80211_hwsim.c:2142 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x4b0/0xdc0 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x158/0x21c kernel/time/hrtimer.c:1770 handle_softirqs+0x318/0xd58 kernel/softirq.c:578 __do_softirq+0x14/0x20 kernel/softirq.c:612 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:459 [inline] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:661 irq_exit_rcu+0x14/0x84 kernel/softirq.c:673 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline] el1_interrupt+0x38/0x68 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 cgroup_post_fork+0x0/0x6d4 kernel/cgroup/cgroup.c:6581 kernel_clone+0x1d8/0x98c kernel/fork.c:2681 __do_sys_clone kernel/fork.c:2822 [inline] __se_sys_clone kernel/fork.c:2790 [inline] __arm64_sys_clone+0x1e0/0x258 kernel/fork.c:2790 __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+0x58/0x168 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: 1641 hardirqs last enabled at (1640): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (1640): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (1641): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1370): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1455): [] __do_softirq+0x14/0x20 kernel/softirq.c:612 ---[ end trace 0000000000000000 ]---