------------[ cut here ]------------ WARNING: CPU: 0 PID: 4177 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] WARNING: CPU: 0 PID: 4177 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 Modules linked in: CPU: 0 PID: 4177 Comm: syz-executor409 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] pc : __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] lr : __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 sp : ffff8000080077e0 x29: ffff8000080079e0 x28: ffff800008007860 x27: ffff0000d18c0dc0 x26: ffff0000c1638c80 x25: ffff700001000f0c x24: ffff800008007950 x23: dfff800000000000 x22: ffffffffffffe9e8 x21: 0000000000000000 x20: ffff0000c1c3b000 x19: ffff0000c163a298 x18: 0000000000000100 x17: 0000000000000000 x16: ffff8000084c42fc x15: 0000000000000007 x14: ffff0000d1e851c0 x13: 0000000000ff0100 x12: ffffffffffffffff x11: 0000000000000100 x10: 0000000000000000 x9 : ffff0000d1e851c0 x8 : ffff80001156b130 x7 : ffff8000115743d8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 ieee80211_beacon_get_tim+0xb8/0x840 net/mac80211/tx.c:5194 ieee80211_beacon_get include/net/mac80211.h:4981 [inline] mac80211_hwsim_beacon_tx+0x110/0x7d4 drivers/net/wireless/mac80211_hwsim.c:1812 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xa0/0x184 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x484/0xca4 kernel/time/hrtimer.c:1752 hrtimer_run_softirq+0x158/0x21c kernel/time/hrtimer.c:1769 handle_softirqs+0x384/0xdbc kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 irq_exit+0x14/0x88 kernel/softirq.c:665 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:711 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:765 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:454 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:287 [inline] rcu_read_lock_held+0x34/0x50 kernel/rcu/update.c:311 xa_head include/linux/xarray.h:1166 [inline] xas_start+0x260/0x6c4 lib/xarray.c:188 xas_load+0x38/0x140 lib/xarray.c:233 mapping_get_entry mm/filemap.c:1826 [inline] pagecache_get_page+0x210/0xd94 mm/filemap.c:1894 shmem_getpage_gfp+0x2a0/0x20e4 mm/shmem.c:1843 shmem_fault+0x194/0x560 mm/shmem.c:2120 __do_fault+0x120/0x5d0 mm/memory.c:3926 do_read_fault mm/memory.c:4262 [inline] do_fault mm/memory.c:4390 [inline] handle_pte_fault mm/memory.c:4648 [inline] __handle_mm_fault mm/memory.c:4783 [inline] handle_mm_fault+0x21e8/0x33a8 mm/memory.c:4881 faultin_page mm/gup.c:976 [inline] __get_user_pages+0x39c/0x92c mm/gup.c:1197 populate_vma_page_range+0x200/0x290 mm/gup.c:1529 __mm_populate+0x278/0x41c mm/gup.c:1638 mm_populate include/linux/mm.h:2632 [inline] vm_mmap_pgoff+0x1fc/0x2b4 mm/util.c:556 ksys_mmap_pgoff+0x11c/0x668 mm/mmap.c:1624 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 37759 hardirqs last enabled at (37758): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (37758): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (37759): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (35880): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (35880): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (37571): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (37571): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (37571): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (37571): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 410eb767f1ba79f8 ]---