------------[ cut here ]------------ WARNING: CPU: 1 PID: 6912 at net/mac80211/tx.c:5024 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] WARNING: CPU: 1 PID: 6912 at net/mac80211/tx.c:5024 __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 Modules linked in: CPU: 1 UID: 0 PID: 6912 Comm: syz.3.71 Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] pc : __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] lr : __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 sp : ffff800080017a40 x29: ffff800080017a80 x28: ffffffffffffe3b0 x27: 0000000000000001 x26: 0000000000000041 x25: ffff0000d79b8c00 x24: 0000000000000000 x23: ffff0000d3860e40 x22: ffff800080017b00 x21: ffff0000f72aa500 x20: dfff800000000000 x19: ffff0000f72aa9d0 x18: 1fffe000337e1476 x17: ffff80010c98a000 x16: ffff80008051eb44 x15: ffff700010002f61 x14: 0000000000000000 x13: 0000000000000007 x12: 0000000000ff0100 x11: ffff0000c2d79e80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c2d79e80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008a7facd0 x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] (P) __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 (P) ieee80211_beacon_get_tim+0xb8/0x244 net/mac80211/tx.c:5580 ieee80211_beacon_get include/net/mac80211.h:5638 [inline] mac80211_hwsim_beacon_tx+0x314/0x6e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2319 __iterate_interfaces+0x250/0x504 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xc8/0x1b8 drivers/net/wireless/virtual/mac80211_hwsim.c:2353 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x41c/0xb78 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1842 handle_softirqs+0x328/0xc88 kernel/softirq.c:579 __do_softirq+0x14/0x20 kernel/softirq.c:613 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x30 arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:460 [inline] __irq_exit_rcu+0x1b0/0x478 kernel/softirq.c:680 irq_exit_rcu+0x14/0x84 kernel/softirq.c:696 __el1_irq arch/arm64/kernel/entry-common.c:584 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:598 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596 debug_smp_processor_id+0x20/0x2c lib/smp_processor_id.c:60 (P) rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] rcu_is_watching+0x50/0x134 kernel/rcu/tree.c:745 trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x80/0x2e0 kernel/locking/lockdep.c:5834 rcu_lock_acquire+0x40/0x4c include/linux/rcupdate.h:331 rcu_read_lock include/linux/rcupdate.h:841 [inline] smack_privileged_cred+0xc0/0x390 security/smack/smack_access.c:669 smack_privileged+0x8c/0xd0 security/smack/smack_access.c:703 smack_unix_may_send+0x1c4/0x280 security/smack/smack_lsm.c:3906 security_unix_may_send+0xd4/0x2c0 security/security.c:4536 unix_dgram_sendmsg+0x82c/0x13bc net/unix/af_unix.c:2175 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg net/socket.c:727 [inline] ____sys_sendmsg+0x490/0x7b8 net/socket.c:2566 ___sys_sendmsg+0x204/0x278 net/socket.c:2620 __sys_sendmmsg+0x1f4/0x548 net/socket.c:2709 __do_sys_sendmmsg net/socket.c:2736 [inline] __se_sys_sendmmsg net/socket.c:2733 [inline] __arm64_sys_sendmmsg+0xa0/0xbc net/socket.c:2733 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 58529 hardirqs last enabled at (58528): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (58528): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (58529): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (50660): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (50660): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (58525): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---