------------[ cut here ]------------ WARNING: CPU: 0 PID: 7457 at net/mac80211/tx.c:4946 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline] WARNING: CPU: 0 PID: 7457 at net/mac80211/tx.c:4946 __ieee80211_beacon_get+0xf78/0x12fc net/mac80211/tx.c:5347 Modules linked in: CPU: 0 PID: 7457 Comm: syz.2.525 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 pstate: 42400005 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline] pc : __ieee80211_beacon_get+0xf78/0x12fc net/mac80211/tx.c:5347 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline] lr : __ieee80211_beacon_get+0xf78/0x12fc net/mac80211/tx.c:5347 sp : ffff800008007ae0 x29: ffff800008007b20 x28: ffff0000f42d0e80 x27: ffffffffffffe520 x26: 00000000ffffffff x25: ffff0000f4158800 x24: ffff0000cb3c7058 x23: dfff800000000000 x22: ffff800008007b8c x21: ffff0000f2d5e228 x20: 0000000000000000 x19: ffff0000f2d5e760 x18: 1fffe00033e7277e x17: ffff80018a0be000 x16: ffff8000082dba2c x15: 0000000000000000 x14: 0000000000000007 x13: 0000000000ff0100 x12: ffff800017c5e288 x11: ff00800011461f8c x10: 0000000000000000 x9 : ffff800011461f8c x8 : ffff0000d3fab800 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800011461268 x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline] __ieee80211_beacon_get+0xf78/0x12fc net/mac80211/tx.c:5347 ieee80211_beacon_get_tim+0x70/0x44c net/mac80211/tx.c:5474 ieee80211_beacon_get include/net/mac80211.h:5335 [inline] mac80211_hwsim_beacon_tx+0x1e4/0x8fc drivers/net/wireless/mac80211_hwsim.c:2091 __iterate_interfaces+0x200/0x47c net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xc8/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1751 [inline] __hrtimer_run_queues+0x444/0xc58 kernel/time/hrtimer.c:1815 hrtimer_run_softirq+0x164/0x408 kernel/time/hrtimer.c:1832 handle_softirqs+0x318/0xc90 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+0x30/0x48 arch/arm64/kernel/entry.S:897 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:477 [inline] __irq_exit_rcu+0x23c/0x430 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+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:283 [inline] __might_resched+0x48/0x4e0 kernel/sched/core.c:9931 __might_sleep+0x94/0x110 kernel/sched/core.c:9898 __mutex_lock_common+0xd0/0x1f3c kernel/locking/mutex.c:580 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 __unix_dgram_recvmsg+0x188/0xb20 net/unix/af_unix.c:2448 unix_dgram_recvmsg+0xd0/0xe8 net/unix/af_unix.c:2548 ____sys_recvmsg+0x270/0x754 net/socket.c:-1 ___sys_recvmsg net/socket.c:2780 [inline] do_recvmmsg+0x36c/0x9d8 net/socket.c:2874 __sys_recvmmsg net/socket.c:2953 [inline] __do_sys_recvmmsg net/socket.c:2976 [inline] __se_sys_recvmmsg net/socket.c:2969 [inline] __arm64_sys_recvmmsg+0x184/0x244 net/socket.c:2969 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 105183 hardirqs last enabled at (105182): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (105182): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (105183): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (103066): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (103066): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (105177): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---