------------[ cut here ]------------ WARNING: CPU: 1 PID: 5687 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] WARNING: CPU: 1 PID: 5687 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x12ec/0x19dc net/mac80211/tx.c:5075 Modules linked in: CPU: 1 PID: 5687 Comm: syz.2.401 Not tainted 5.15.185-syzkaller #0 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:4851 [inline] pc : __ieee80211_beacon_get+0x12ec/0x19dc net/mac80211/tx.c:5075 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] lr : __ieee80211_beacon_get+0x12ec/0x19dc net/mac80211/tx.c:5075 sp : ffff800008017800 x29: ffff800008017a10 x28: dfff800000000000 x27: ffff800008017880 x26: ffff0000d0a18dc0 x25: ffff700001002f10 x24: ffff0000eaae4c80 x23: ffff800008017970 x22: ffff800008017a70 x21: 0000000000000000 x20: ffff0000dc312800 x19: ffff0000eaae6298 x18: 0000000000000100 x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000007 x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 x11: 0000000000000100 x10: 0000000000000000 x9 : ffff800010b6cfb0 x8 : ffff0000d3a20000 x7 : ffff800010b75f2c 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+0x12ec/0x19dc net/mac80211/tx.c:5075 ieee80211_beacon_get_tim+0x5c/0x790 net/mac80211/tx.c:5194 ieee80211_beacon_get include/net/mac80211.h:4981 [inline] mac80211_hwsim_beacon_tx+0x10c/0x7ac 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+0x90/0x174 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1690 [inline] __hrtimer_run_queues+0x428/0xb6c kernel/time/hrtimer.c:1754 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1771 handle_softirqs+0x344/0xbf0 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:457 [inline] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 irq_exit+0x14/0x88 kernel/softirq.c:683 handle_domain_irq+0x14c/0x1fc 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+0x6c/0x88 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 arch/arm64/include/asm/irqflags.h:122 [inline] seqcount_lockdep_reader_access+0x15c/0x230 include/linux/seqlock.h:105 read_seqbegin include/linux/seqlock.h:897 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:83 [inline] page_outside_zone_boundaries mm/page_alloc.c:580 [inline] bad_range+0xa0/0x2a0 mm/page_alloc.c:607 rmqueue mm/page_alloc.c:3760 [inline] get_page_from_freelist+0x2954/0x2aa8 mm/page_alloc.c:4189 __alloc_pages+0x1a0/0x470 mm/page_alloc.c:5474 alloc_pages_vma+0x284/0x7a8 mm/mempolicy.c:2146 shmem_alloc_page mm/shmem.c:1586 [inline] shmem_alloc_and_acct_page+0x38c/0xac4 mm/shmem.c:1611 shmem_getpage_gfp+0x1028/0x1ef0 mm/shmem.c:1906 shmem_getpage mm/shmem.c:151 [inline] shmem_write_begin+0xe0/0x29c mm/shmem.c:2474 generic_perform_write+0x204/0x480 mm/filemap.c:3785 __generic_file_write_iter+0x23c/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb0/0x1b4 mm/filemap.c:3944 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x7c8/0xa2c fs/read_write.c:594 ksys_write+0x120/0x210 fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 95555 hardirqs last enabled at (95554): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (95554): [] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194 hardirqs last disabled at (95555): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (94408): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (94408): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (95501): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (95501): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (95501): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (95501): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace 8b6fdfbd7b654895 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5687 at kernel/time/hrtimer.c:1037 hrtimer_forward+0x1a0/0x238 kernel/time/hrtimer.c:-1 Modules linked in: CPU: 1 PID: 5687 Comm: syz.2.401 Tainted: G W 5.15.185-syzkaller #0 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 : hrtimer_forward+0x1a0/0x238 kernel/time/hrtimer.c:-1 lr : hrtimer_forward+0x19c/0x238 kernel/time/hrtimer.c:1037 sp : ffff800008017ba0 x29: ffff800008017ba0 x28: dfff800000000000 x27: 1fffe0001a143e13 x26: dfff800000000000 x25: ffff0000d0a1f0b8 x24: 0000000000628ef0 x23: 0000002406d8ef80 x22: 0000000000000001 x21: 0000000000000000 x20: ffff0000d0a1f098 x19: ffff0000d0a1f080 x18: 0000000000000100 x17: 0000000000000000 x16: ffff8000082bf3c8 x15: 0000000000000007 x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 x11: 0000000000000100 x10: 0000000000000000 x9 : ffff80000837fc1c x8 : ffff0000d3a20000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008044e7c x2 : 00000000061a8000 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: hrtimer_forward+0x1a0/0x238 kernel/time/hrtimer.c:-1 hrtimer_forward_now include/linux/hrtimer.h:508 [inline] mac80211_hwsim_beacon+0x140/0x174 drivers/net/wireless/mac80211_hwsim.c:1874 __run_hrtimer kernel/time/hrtimer.c:1690 [inline] __hrtimer_run_queues+0x428/0xb6c kernel/time/hrtimer.c:1754 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1771 handle_softirqs+0x344/0xbf0 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:457 [inline] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 irq_exit+0x14/0x88 kernel/softirq.c:683 handle_domain_irq+0x14c/0x1fc 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+0x6c/0x88 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 arch/arm64/include/asm/irqflags.h:122 [inline] seqcount_lockdep_reader_access+0x15c/0x230 include/linux/seqlock.h:105 read_seqbegin include/linux/seqlock.h:897 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:83 [inline] page_outside_zone_boundaries mm/page_alloc.c:580 [inline] bad_range+0xa0/0x2a0 mm/page_alloc.c:607 rmqueue mm/page_alloc.c:3760 [inline] get_page_from_freelist+0x2954/0x2aa8 mm/page_alloc.c:4189 __alloc_pages+0x1a0/0x470 mm/page_alloc.c:5474 alloc_pages_vma+0x284/0x7a8 mm/mempolicy.c:2146 shmem_alloc_page mm/shmem.c:1586 [inline] shmem_alloc_and_acct_page+0x38c/0xac4 mm/shmem.c:1611 shmem_getpage_gfp+0x1028/0x1ef0 mm/shmem.c:1906 shmem_getpage mm/shmem.c:151 [inline] shmem_write_begin+0xe0/0x29c mm/shmem.c:2474 generic_perform_write+0x204/0x480 mm/filemap.c:3785 __generic_file_write_iter+0x23c/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb0/0x1b4 mm/filemap.c:3944 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x7c8/0xa2c fs/read_write.c:594 ksys_write+0x120/0x210 fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 95581 hardirqs last enabled at (95580): [] seqcount_lockdep_reader_access+0x1fc/0x2c4 include/linux/seqlock.h:105 hardirqs last disabled at (95581): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (94408): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (94408): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (95501): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (95501): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (95501): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (95501): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace 8b6fdfbd7b654896 ]---