------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007160 x29: ffff800080007280 x28: ffff0001ffb9cfff x27: ffff0001fec50fe8 x26: ffff0001ffb9d000 x25: dfff800000000000 x24: ffff0001ffb9c000 x23: ffff0001fea8ece0 x22: 0000000000000100 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: 0000000000020010 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb939 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb93a x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007360 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kmem_cache_free+0x250/0x550 mm/slub.c:4744 skb_kfree_head net/core/skbuff.c:1056 [inline] skb_free_head+0xbc/0x198 net/core/skbuff.c:1070 skb_release_data+0x66c/0x820 net/core/skbuff.c:1097 skb_release_all net/core/skbuff.c:1162 [inline] __kfree_skb net/core/skbuff.c:1176 [inline] consume_skb+0xb0/0x130 net/core/skbuff.c:1408 arp_process+0xb78/0x12b8 net/ipv4/arp.c:941 NF_HOOK+0x2b8/0x34c include/linux/netfilter.h:314 arp_rcv+0x2a8/0x430 net/ipv4/arp.c:991 __netif_receive_skb_list_ptype net/core/dev.c:5935 [inline] __netif_receive_skb_list_core+0x60c/0x67c net/core/dev.c:5977 __netif_receive_skb_list net/core/dev.c:6029 [inline] netif_receive_skb_list_internal+0x74c/0x9e0 net/core/dev.c:6120 gro_normal_list include/net/gro.h:532 [inline] napi_complete_done+0x250/0x614 net/core/dev.c:6490 gve_napi_poll+0x1f4/0x3ac drivers/net/ethernet/google/gve/gve_main.c:388 __napi_poll+0xb4/0x3fc net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x5d4/0xcc8 net/core/dev.c:7510 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 128047 hardirqs last enabled at (128046): [] __el1_irq arch/arm64/kernel/entry-common.c:588 [inline] hardirqs last enabled at (128046): [] el1_interrupt+0x44/0x54 arch/arm64/kernel/entry-common.c:598 hardirqs last disabled at (128047): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (128004): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (128004): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (128011): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007160 x29: ffff800080007280 x28: ffff0001ffba2fff x27: ffff0001fec50fe8 x26: ffff0001ffba3000 x25: dfff800000000000 x24: ffff0001ffba2000 x23: ffff0001fea8ed10 x22: 0000000000000500 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 00000000ffffffff x17: ffff800092f37000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb962 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb963 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007360 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000500 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free_freelist_hook mm/slub.c:2394 [inline] slab_free_bulk mm/slub.c:4666 [inline] kmem_cache_free_bulk+0x490/0x51c mm/slub.c:5243 kfree_skb_list_reason+0x3ac/0x418 net/core/skbuff.c:1264 __dev_xmit_skb net/core/dev.c:4093 [inline] __dev_queue_xmit+0x1ac8/0x31f0 net/core/dev.c:4595 dev_queue_xmit include/linux/netdevice.h:3350 [inline] lapbeth_data_transmit+0x1fc/0x2a8 drivers/net/wan/lapbether.c:260 lapb_data_transmit+0x8c/0xb0 net/lapb/lapb_iface.c:447 lapb_transmit_buffer+0x160/0x208 net/lapb/lapb_out.c:149 lapb_send_control+0x21c/0x320 net/lapb/lapb_subr.c:251 lapb_t1timer_expiry+0x490/0x864 net/lapb/lapb_timer.c:-1 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x51c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 128549 hardirqs last enabled at (128548): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (128548): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (128549): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (128522): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (128522): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (128529): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800097687640 x29: ffff800097687760 x28: ffff0001ffba8fff x27: ffff0001fec50fe8 x26: ffff0001ffba9000 x25: dfff800000000000 x24: ffff0001ffba8000 x23: ffff0001fea8ed40 x22: 0000000000000100 x21: ffff0000c19f3d00 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80008f31e000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb946 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb947 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c19f3d00 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800097687840 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kfree+0x268/0x474 mm/slub.c:4841 slab_free_after_rcu_debug+0x78/0x2f4 mm/slub.c:4679 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 handle_softirqs+0x328/0xc88 kernel/softirq.c:579 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 smpboot_thread_fn+0x4d8/0x9cc kernel/smpboot.c:164 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 irq event stamp: 550991 hardirqs last enabled at (550990): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (550990): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (550991): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (550288): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (550288): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (550293): [] run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6383 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 6383 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 6383 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 6383 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 6383 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 6383 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 6383 Comm: rm Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007900 x29: ffff800080007a20 x28: ffff0001ffbb0fff x27: ffff0001fec50fe8 x26: ffff0001ffbb1000 x25: dfff800000000000 x24: ffff0001ffbb0000 x23: ffff0001fea8ed80 x22: 0000000000000100 x21: ffff0000c59f1e80 x20: 100000023ea8e403 x19: 0000000000000001 x18: 0000000000000000 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb954 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb955 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c59f1e80 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007b00 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kfree+0x268/0x474 mm/slub.c:4841 slab_free_after_rcu_debug+0x78/0x2f4 mm/slub.c:4679 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 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 kasan_check_range+0x1e8/0x2a4 mm/kasan/generic.c:189 (P) instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_dec_and_test include/linux/atomic/atomic-instrumented.h:1383 [inline] page_ref_dec_and_test include/linux/page_ref.h:205 [inline] put_page_testzero include/linux/mm.h:1259 [inline] folio_put_testzero include/linux/mm.h:1264 [inline] folio_put include/linux/mm.h:1579 [inline] filemap_map_pages+0xc4c/0x160c mm/filemap.c:3745 do_fault_around mm/memory.c:5476 [inline] do_read_fault mm/memory.c:5509 [inline] do_fault mm/memory.c:5652 [inline] do_pte_missing mm/memory.c:4160 [inline] handle_pte_fault mm/memory.c:5997 [inline] __handle_mm_fault mm/memory.c:6140 [inline] handle_mm_fault+0x2ad4/0x4cf0 mm/memory.c:6309 do_page_fault+0x428/0x1554 arch/arm64/mm/fault.c:647 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:783 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:919 el0_ia+0xb4/0x218 arch/arm64/kernel/entry-common.c:645 el0t_64_sync_handler+0xf0/0x108 arch/arm64/kernel/entry-common.c:792 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 4681 hardirqs last enabled at (4680): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (4680): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (4681): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (1656): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (3611): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff8000800079c0 x29: ffff800080007ae0 x28: ffff0001ffbaefff x27: ffff0001fec50fe8 x26: ffff0001ffbaf000 x25: dfff800000000000 x24: ffff0001ffbae000 x23: ffff0001fea8ed70 x22: 0000000000000100 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: 0000000000000000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfba04 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfba05 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007bc0 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 rcu_guarded_free+0x4c/0x5c mm/kfence/core.c:587 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 163411 hardirqs last enabled at (163410): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (163410): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (163411): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (162670): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (162670): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (162841): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800097687660 x29: ffff800097687780 x28: ffff0001ffbbcfff x27: ffff0001fec50fe8 x26: ffff0001ffbbd000 x25: dfff800000000000 x24: ffff0001ffbbc000 x23: ffff0001fea8ede0 x22: 0000000000000100 x21: ffff0000c19f3d00 x20: 100000023ea8e403 x19: 0000000000000001 x18: 0000000000000000 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb94c x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb94d x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c19f3d00 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800097687860 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kmem_cache_free+0x250/0x550 mm/slub.c:4744 mt_free_rcu+0x28/0x38 lib/maple_tree.c:198 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 handle_softirqs+0x328/0xc88 kernel/softirq.c:579 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 smpboot_thread_fn+0x4d8/0x9cc kernel/smpboot.c:164 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 irq event stamp: 577957 hardirqs last enabled at (577956): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (577956): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (577957): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (576750): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (576750): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (576753): [] run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 15 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800097687700 x29: ffff800097687820 x28: ffff0001ffbbefff x27: ffff0001fec50fe8 x26: ffff0001ffbbf000 x25: dfff800000000000 x24: ffff0001ffbbe000 x23: ffff0001fea8edf0 x22: 0000000000000100 x21: ffff0000c19f3d00 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb97c x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb97d x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c19f3d00 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800097687900 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 rcu_guarded_free+0x4c/0x5c mm/kfence/core.c:587 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 handle_softirqs+0x328/0xc88 kernel/softirq.c:579 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 smpboot_thread_fn+0x4d8/0x9cc kernel/smpboot.c:164 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 irq event stamp: 580315 hardirqs last enabled at (580314): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (580314): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (580315): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (579388): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (579388): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (579393): [] run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6456 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 6456 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 6456 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 6456 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 6456 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 6456 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 6456 Comm: rm Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007900 x29: ffff800080007a20 x28: ffff0001ffbc4fff x27: ffff0001fec50fe8 x26: ffff0001ffbc5000 x25: dfff800000000000 x24: ffff0001ffbc4000 x23: ffff0001fea8ee20 x22: 0000000000000100 x21: ffff0000c6a48000 x20: 100000023ea8e403 x19: 0000000000000001 x18: 0000000000000000 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb954 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb955 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c6a48000 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007b00 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kfree+0x268/0x474 mm/slub.c:4841 slab_free_after_rcu_debug+0x78/0x2f4 mm/slub.c:4679 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 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 check_kcov_mode kernel/kcov.c:183 [inline] (P) __sanitizer_cov_trace_pc+0x4c/0x84 kernel/kcov.c:217 (P) vsnprintf+0x814/0xd60 lib/vsprintf.c:2852 seq_vprintf fs/seq_file.c:391 [inline] seq_printf+0x148/0x22c fs/seq_file.c:406 filesystems_proc_show+0xb8/0x11c fs/filesystems.c:244 seq_read_iter+0x3b4/0xc2c fs/seq_file.c:230 proc_reg_read_iter+0x178/0x2a8 fs/proc/inode.c:299 new_sync_read fs/read_write.c:489 [inline] vfs_read+0x5fc/0x898 fs/read_write.c:570 ksys_read+0x120/0x210 fs/read_write.c:713 __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __arm64_sys_read+0x7c/0x90 fs/read_write.c:720 __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: 3727 hardirqs last enabled at (3726): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (3726): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (3727): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (2508): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (2508): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (3707): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6091 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 6091 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 6091 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 6091 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 6091 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 6091 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 6091 Comm: syslogd Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007640 x29: ffff800080007760 x28: ffff0001ffbc6fff x27: ffff0001fec50fe8 x26: ffff0001ffbc7000 x25: dfff800000000000 x24: ffff0001ffbc6000 x23: ffff0001fea8ee30 x22: 0000000000000100 x21: ffff0000d8bd5b80 x20: 100000023ea8e403 x19: 0000000000000001 x18: 00000000ffffffff x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfba08 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfba09 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d8bd5b80 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007840 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kmem_cache_free+0x250/0x550 mm/slub.c:4744 kfree_skbmem+0x14c/0x1dc net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:1177 [inline] sk_skb_reason_drop+0x150/0x1b0 net/core/skbuff.c:1214 kfree_skb_reason include/linux/skbuff.h:1279 [inline] dev_kfree_skb_any_reason+0x94/0xd0 net/core/dev.c:3391 dev_consume_skb_any include/linux/netdevice.h:4130 [inline] gve_clean_tx_done+0x240/0xaa8 drivers/net/ethernet/google/gve/gve_tx.c:908 gve_tx_poll+0x11c/0x1d0 drivers/net/ethernet/google/gve/gve_tx.c:1029 gve_napi_poll+0xc0/0x3ac drivers/net/ethernet/google/gve/gve_main.c:363 __napi_poll+0xb4/0x3fc net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x5d4/0xcc8 net/core/dev.c:7510 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 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P) arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P) __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] (P) _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194 (P) spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __wake_up_common_lock kernel/sched/wait.c:108 [inline] __wake_up_sync_key+0x13c/0x18c kernel/sched/wait.c:173 __unix_dgram_recvmsg+0x384/0xb88 net/unix/af_unix.c:2447 unix_dgram_recvmsg+0xd0/0xe8 net/unix/af_unix.c:2522 sock_recvmsg_nosec net/socket.c:1017 [inline] sock_recvmsg net/socket.c:1039 [inline] sock_read_iter+0x258/0x33c net/socket.c:1109 new_sync_read fs/read_write.c:489 [inline] vfs_read+0x5fc/0x898 fs/read_write.c:570 ksys_read+0x120/0x210 fs/read_write.c:713 __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __arm64_sys_read+0x7c/0x90 fs/read_write.c:720 __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: 129839 hardirqs last enabled at (129838): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (129838): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (129839): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (129806): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (129823): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 6465 Comm: syz-executor Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff8000800078a0 x29: ffff8000800079c0 x28: ffff0001ffbd4fff x27: ffff0001fec50fe8 x26: ffff0001ffbd5000 x25: dfff800000000000 x24: ffff0001ffbd4000 x23: ffff0001fea8eea0 x22: 0000000000000100 x21: ffff0000c81a0000 x20: 100000023ea8e403 x19: 0000000000000001 x18: 0000000000000000 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb980 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb981 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c81a0000 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007aa0 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kmem_cache_free+0x250/0x550 mm/slub.c:4744 ptlock_free+0x54/0x6c mm/memory.c:7364 pagetable_dtor include/linux/mm.h:3109 [inline] pagetable_dtor_free include/linux/mm.h:3116 [inline] __tlb_remove_table+0x30/0x274 include/asm-generic/tlb.h:215 __tlb_remove_table_free mm/mmu_gather.c:227 [inline] tlb_remove_table_rcu+0x8c/0x19c mm/mmu_gather.c:290 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 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 check_kcov_mode kernel/kcov.c:183 [inline] (P) write_comp_data kernel/kcov.c:246 [inline] (P) __sanitizer_cov_trace_switch+0x98/0xe4 kernel/kcov.c:351 (P) vsnprintf+0xcc/0xd60 lib/vsprintf.c:2795 seq_vprintf fs/seq_file.c:391 [inline] seq_printf+0x148/0x22c fs/seq_file.c:406 s_show+0x194/0x294 kernel/kallsyms.c:743 seq_read_iter+0x85c/0xc2c fs/seq_file.c:272 seq_read+0x238/0x33c fs/seq_file.c:162 pde_read fs/proc/inode.c:308 [inline] proc_reg_read+0x17c/0x2d4 fs/proc/inode.c:320 vfs_read+0x22c/0x898 fs/read_write.c:568 ksys_read+0x120/0x210 fs/read_write.c:713 __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __arm64_sys_read+0x7c/0x90 fs/read_write.c:720 __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: 175977 hardirqs last enabled at (175976): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (175976): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (175977): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (175448): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (175448): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (175903): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 6465 Comm: syz-executor Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff8000800078a0 x29: ffff8000800079c0 x28: ffff0001ffbd6fff x27: ffff0001fec50fe8 x26: ffff0001ffbd7000 x25: dfff800000000000 x24: ffff0001ffbd6000 x23: ffff0001fea8eeb0 x22: 0000000000000100 x21: ffff0000c81a0000 x20: 100000023ea8e403 x19: 0000000000000001 x18: 0000000000000000 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb980 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb981 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c81a0000 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007aa0 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kmem_cache_free+0x250/0x550 mm/slub.c:4744 ptlock_free+0x54/0x6c mm/memory.c:7364 pagetable_dtor include/linux/mm.h:3109 [inline] pagetable_dtor_free include/linux/mm.h:3116 [inline] __tlb_remove_table+0x30/0x274 include/asm-generic/tlb.h:215 __tlb_remove_table_free mm/mmu_gather.c:227 [inline] tlb_remove_table_rcu+0x8c/0x19c mm/mmu_gather.c:290 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 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 check_kcov_mode kernel/kcov.c:183 [inline] (P) write_comp_data kernel/kcov.c:246 [inline] (P) __sanitizer_cov_trace_switch+0x98/0xe4 kernel/kcov.c:351 (P) vsnprintf+0xcc/0xd60 lib/vsprintf.c:2795 seq_vprintf fs/seq_file.c:391 [inline] seq_printf+0x148/0x22c fs/seq_file.c:406 s_show+0x194/0x294 kernel/kallsyms.c:743 seq_read_iter+0x85c/0xc2c fs/seq_file.c:272 seq_read+0x238/0x33c fs/seq_file.c:162 pde_read fs/proc/inode.c:308 [inline] proc_reg_read+0x17c/0x2d4 fs/proc/inode.c:320 vfs_read+0x22c/0x898 fs/read_write.c:568 ksys_read+0x120/0x210 fs/read_write.c:713 __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __arm64_sys_read+0x7c/0x90 fs/read_write.c:720 __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: 175995 hardirqs last enabled at (175994): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (175994): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (175995): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (175448): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (175448): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (175903): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 6465 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 6465 Comm: syz-executor Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007120 x29: ffff800080007240 x28: ffff0001ffbe6fff x27: ffff0001fec50fe8 x26: ffff0001ffbe7000 x25: dfff800000000000 x24: ffff0001ffbe6000 x23: ffff0001fea8ef30 x22: 0000000000000500 x21: ffff0000c81a0000 x20: 100000023ea8e403 x19: 0000000000000001 x18: 0000000000000000 x17: 0000000000a000ae x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb962 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb963 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c81a0000 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007320 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000500 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kmem_cache_free+0x250/0x550 mm/slub.c:4744 kfree_skbmem+0x14c/0x1dc net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:1177 [inline] consume_skb+0xb8/0x130 net/core/skbuff.c:1408 ifb_xmit+0x174/0x53c drivers/net/ifb.c:346 __netdev_start_xmit include/linux/netdevice.h:5203 [inline] netdev_start_xmit include/linux/netdevice.h:5212 [inline] xmit_one net/core/dev.c:3776 [inline] dev_hard_start_xmit+0x2b0/0x8ac net/core/dev.c:3792 sch_direct_xmit+0x1fc/0x468 net/sched/sch_generic.c:343 __dev_xmit_skb net/core/dev.c:4018 [inline] __dev_queue_xmit+0x13b4/0x31f0 net/core/dev.c:4595 dev_queue_xmit include/linux/netdevice.h:3350 [inline] lapbeth_data_transmit+0x1fc/0x2a8 drivers/net/wan/lapbether.c:260 lapb_data_transmit+0x8c/0xb0 net/lapb/lapb_iface.c:447 lapb_transmit_buffer+0x160/0x208 net/lapb/lapb_out.c:149 lapb_send_control+0x21c/0x320 net/lapb/lapb_subr.c:251 lapb_t1timer_expiry+0x490/0x864 net/lapb/lapb_timer.c:-1 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x51c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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 vsnprintf+0x158/0xd60 lib/vsprintf.c:2797 (P) seq_vprintf fs/seq_file.c:391 [inline] seq_printf+0x148/0x22c fs/seq_file.c:406 s_show+0x194/0x294 kernel/kallsyms.c:743 seq_read_iter+0x85c/0xc2c fs/seq_file.c:272 seq_read+0x238/0x33c fs/seq_file.c:162 pde_read fs/proc/inode.c:308 [inline] proc_reg_read+0x17c/0x2d4 fs/proc/inode.c:320 vfs_read+0x22c/0x898 fs/read_write.c:568 ksys_read+0x120/0x210 fs/read_write.c:713 __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __arm64_sys_read+0x7c/0x90 fs/read_write.c:720 __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: 194081 hardirqs last enabled at (194080): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (194080): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (194081): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (193522): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (193522): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (194053): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007900 x29: ffff800080007a20 x28: ffff0001ffbf8fff x27: ffff0001fec50fe8 x26: ffff0001ffbf9000 x25: dfff800000000000 x24: ffff0001ffbf8000 x23: ffff0001fea8efc0 x22: 0000000000000100 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb98c x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb98d x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007b00 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kfree+0x268/0x474 mm/slub.c:4841 slab_free_after_rcu_debug+0x78/0x2f4 mm/slub.c:4679 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 174799 hardirqs last enabled at (174798): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (174798): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (174799): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (174712): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (174712): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (174725): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007900 x29: ffff800080007a20 x28: ffff0001ffa18fff x27: ffff0001fec50fe8 x26: ffff0001ffa19000 x25: dfff800000000000 x24: ffff0001ffa18000 x23: ffff0001fea8e0c0 x22: 0000000000000100 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: 0000000000000000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb946 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb947 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007b00 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kfree+0x268/0x474 mm/slub.c:4841 slab_free_after_rcu_debug+0x78/0x2f4 mm/slub.c:4679 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x848/0x17a4 kernel/rcu/tree.c:2824 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2841 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 179251 hardirqs last enabled at (179250): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (179250): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (179251): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (179158): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (179158): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (179171): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080006f80 x29: ffff8000800070a0 x28: ffff0001ffa32fff x27: ffff0001fec50fe8 x26: ffff0001ffa33000 x25: dfff800000000000 x24: ffff0001ffa32000 x23: ffff0001fea8e190 x22: 0000000000000100 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008adb82bc x15: ffff700010000e38 x14: 1ffff00010000e38 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000004d13abc x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2c30c x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007180 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_unprotect mm/kfence/core.c:252 [inline] kfence_guarded_alloc+0x2e8/0xb08 mm/kfence/core.c:459 __kfence_alloc+0x394/0x45c mm/kfence/core.c:1138 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:4180 [inline] kmem_cache_alloc_node_noprof+0x34c/0x3f4 mm/slub.c:4248 kmalloc_reserve+0xc4/0x268 net/core/skbuff.c:577 __alloc_skb+0x170/0x2ec net/core/skbuff.c:668 napi_alloc_skb+0xa0/0x5fc net/core/skbuff.c:810 gve_rx_copy_data+0x40/0x1a0 drivers/net/ethernet/google/gve/gve_utils.c:72 gve_rx_copy+0x8c/0xe8 drivers/net/ethernet/google/gve/gve_utils.c:89 gve_rx_skb drivers/net/ethernet/google/gve/gve_rx.c:663 [inline] gve_rx drivers/net/ethernet/google/gve/gve_rx.c:884 [inline] gve_clean_rx_done drivers/net/ethernet/google/gve/gve_rx.c:1024 [inline] gve_rx_poll+0xa08/0x365c drivers/net/ethernet/google/gve/gve_rx.c:1095 gve_napi_poll+0x140/0x3ac drivers/net/ethernet/google/gve/gve_main.c:372 __napi_poll+0xb4/0x3fc net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x5d4/0xcc8 net/core/dev.c:7510 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 195781 hardirqs last enabled at (195780): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (195780): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (195781): [] kfence_guarded_alloc+0x190/0xb08 mm/kfence/core.c:438 softirqs last enabled at (195756): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (195756): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (195771): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] pc : __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] pc : __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] pc : change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 lr : queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] lr : __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] lr : __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] lr : change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 sp : ffff800080006f40 x29: ffff800080006f40 x28: ffff0001ffa32fff x27: ffff0001fec50fe8 x26: ffff0001ffa33000 x25: ffff0001ffa32000 x24: ffff0001ffa32000 x23: 006800023fa32707 x22: 0040000000000001 x21: dfff800000000000 x20: 0000000000000100 x19: ffff80008f346040 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008adb82bc x15: 0000000000000001 x14: 1ffff00011e68c08 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700011e68c09 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2c30c x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007180 x3 : ffff800080ac62d0 x2 : ffff800080007180 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] (P) __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] (P) __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] (P) change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 (P) apply_to_pte_range mm/memory.c:2941 [inline] apply_to_pmd_range mm/memory.c:2985 [inline] apply_to_pud_range mm/memory.c:3021 [inline] apply_to_p4d_range mm/memory.c:3057 [inline] __apply_to_page_range+0xd58/0x13e4 mm/memory.c:3093 apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_unprotect mm/kfence/core.c:252 [inline] kfence_guarded_alloc+0x2e8/0xb08 mm/kfence/core.c:459 __kfence_alloc+0x394/0x45c mm/kfence/core.c:1138 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:4180 [inline] kmem_cache_alloc_node_noprof+0x34c/0x3f4 mm/slub.c:4248 kmalloc_reserve+0xc4/0x268 net/core/skbuff.c:577 __alloc_skb+0x170/0x2ec net/core/skbuff.c:668 napi_alloc_skb+0xa0/0x5fc net/core/skbuff.c:810 gve_rx_copy_data+0x40/0x1a0 drivers/net/ethernet/google/gve/gve_utils.c:72 gve_rx_copy+0x8c/0xe8 drivers/net/ethernet/google/gve/gve_utils.c:89 gve_rx_skb drivers/net/ethernet/google/gve/gve_rx.c:663 [inline] gve_rx drivers/net/ethernet/google/gve/gve_rx.c:884 [inline] gve_clean_rx_done drivers/net/ethernet/google/gve/gve_rx.c:1024 [inline] gve_rx_poll+0xa08/0x365c drivers/net/ethernet/google/gve/gve_rx.c:1095 gve_napi_poll+0x140/0x3ac drivers/net/ethernet/google/gve/gve_main.c:372 __napi_poll+0xb4/0x3fc net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x5d4/0xcc8 net/core/dev.c:7510 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 195781 hardirqs last enabled at (195780): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (195780): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (195781): [] kfence_guarded_alloc+0x190/0xb08 mm/kfence/core.c:438 softirqs last enabled at (195756): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (195756): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (195771): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff8000800073e0 x29: ffff800080007500 x28: ffff0001ffa3afff x27: ffff0001fec50fe8 x26: ffff0001ffa3b000 x25: dfff800000000000 x24: ffff0001ffa3a000 x23: ffff0001fea8e1d0 x22: 0000000000000300 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008adb82bc x15: ffff700010000ec4 x14: 1ffff00010000ec4 x13: 0000000000000004 x12: ffffffffffffffff x11: 000000000df3d8f8 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2c30c x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000800075e0 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000300 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_unprotect mm/kfence/core.c:252 [inline] kfence_guarded_alloc+0x2e8/0xb08 mm/kfence/core.c:459 __kfence_alloc+0x394/0x45c mm/kfence/core.c:1138 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:4180 [inline] kmem_cache_alloc_node_noprof+0x34c/0x3f4 mm/slub.c:4248 __alloc_skb+0x144/0x2ec net/core/skbuff.c:658 alloc_skb include/linux/skbuff.h:1340 [inline] lapb_send_control+0x48/0x320 net/lapb/lapb_subr.c:227 lapb_t1timer_expiry+0x490/0x864 net/lapb/lapb_timer.c:-1 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x51c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 199521 hardirqs last enabled at (199520): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (199520): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (199521): [] kfence_guarded_alloc+0x190/0xb08 mm/kfence/core.c:438 softirqs last enabled at (199492): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (199492): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (199505): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] pc : __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] pc : __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] pc : change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 lr : queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] lr : __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] lr : __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] lr : change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 sp : ffff8000800073a0 x29: ffff8000800073a0 x28: ffff0001ffa3afff x27: ffff0001fec50fe8 x26: ffff0001ffa3b000 x25: ffff0001ffa3a000 x24: ffff0001ffa3a000 x23: 006800023fa3a707 x22: 0040000000000001 x21: dfff800000000000 x20: 0000000000000300 x19: ffff80008f346040 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008adb82bc x15: 0000000000000001 x14: 1ffff00011e68c08 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700011e68c09 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2c30c x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000800075e0 x3 : ffff800080ac62d0 x2 : ffff8000800075e0 x1 : 0000000000000300 x0 : 0000000000000000 Call trace: queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] (P) __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] (P) __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] (P) change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 (P) apply_to_pte_range mm/memory.c:2941 [inline] apply_to_pmd_range mm/memory.c:2985 [inline] apply_to_pud_range mm/memory.c:3021 [inline] apply_to_p4d_range mm/memory.c:3057 [inline] __apply_to_page_range+0xd58/0x13e4 mm/memory.c:3093 apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_unprotect mm/kfence/core.c:252 [inline] kfence_guarded_alloc+0x2e8/0xb08 mm/kfence/core.c:459 __kfence_alloc+0x394/0x45c mm/kfence/core.c:1138 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:4180 [inline] kmem_cache_alloc_node_noprof+0x34c/0x3f4 mm/slub.c:4248 __alloc_skb+0x144/0x2ec net/core/skbuff.c:658 alloc_skb include/linux/skbuff.h:1340 [inline] lapb_send_control+0x48/0x320 net/lapb/lapb_subr.c:227 lapb_t1timer_expiry+0x490/0x864 net/lapb/lapb_timer.c:-1 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x51c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 199521 hardirqs last enabled at (199520): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (199520): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (199521): [] kfence_guarded_alloc+0x190/0xb08 mm/kfence/core.c:438 softirqs last enabled at (199492): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (199492): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (199505): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007160 x29: ffff800080007280 x28: ffff0001ffa3afff x27: ffff0001fec50fe8 x26: ffff0001ffa3b000 x25: dfff800000000000 x24: ffff0001ffa3a000 x23: ffff0001fea8e1d0 x22: 0000000000000500 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb962 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb963 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007360 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000500 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free_freelist_hook mm/slub.c:2394 [inline] slab_free_bulk mm/slub.c:4666 [inline] kmem_cache_free_bulk+0x490/0x51c mm/slub.c:5243 kfree_skb_list_reason+0x3ac/0x418 net/core/skbuff.c:1264 __dev_xmit_skb net/core/dev.c:4093 [inline] __dev_queue_xmit+0x1ac8/0x31f0 net/core/dev.c:4595 dev_queue_xmit include/linux/netdevice.h:3350 [inline] lapbeth_data_transmit+0x1fc/0x2a8 drivers/net/wan/lapbether.c:260 lapb_data_transmit+0x8c/0xb0 net/lapb/lapb_iface.c:447 lapb_transmit_buffer+0x160/0x208 net/lapb/lapb_out.c:149 lapb_send_control+0x21c/0x320 net/lapb/lapb_subr.c:251 lapb_t1timer_expiry+0x490/0x864 net/lapb/lapb_timer.c:-1 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x51c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 199535 hardirqs last enabled at (199534): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (199534): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (199535): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (199492): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (199492): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (199505): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff8000800073e0 x29: ffff800080007500 x28: ffff0001ffa42fff x27: ffff0001fec50fe8 x26: ffff0001ffa43000 x25: dfff800000000000 x24: ffff0001ffa42000 x23: ffff0001fea8e210 x22: 0000000000000300 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008adb82bc x15: ffff700010000ec4 x14: 1ffff00010000ec4 x13: 0000000000000004 x12: ffffffffffffffff x11: 000000000df3d8f8 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2c30c x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000800075e0 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000300 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_unprotect mm/kfence/core.c:252 [inline] kfence_guarded_alloc+0x2e8/0xb08 mm/kfence/core.c:459 __kfence_alloc+0x394/0x45c mm/kfence/core.c:1138 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:4180 [inline] kmem_cache_alloc_node_noprof+0x34c/0x3f4 mm/slub.c:4248 __alloc_skb+0x144/0x2ec net/core/skbuff.c:658 alloc_skb include/linux/skbuff.h:1340 [inline] lapb_send_control+0x48/0x320 net/lapb/lapb_subr.c:227 lapb_t1timer_expiry+0x490/0x864 net/lapb/lapb_timer.c:-1 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x51c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 200659 hardirqs last enabled at (200658): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (200658): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (200659): [] kfence_guarded_alloc+0x190/0xb08 mm/kfence/core.c:438 softirqs last enabled at (200642): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (200642): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (200649): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] pc : __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] pc : __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] pc : change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 lr : queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] lr : __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] lr : __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] lr : change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 sp : ffff8000800073a0 x29: ffff8000800073a0 x28: ffff0001ffa42fff x27: ffff0001fec50fe8 x26: ffff0001ffa43000 x25: ffff0001ffa42000 x24: ffff0001ffa42000 x23: 006800023fa42707 x22: 0040000000000001 x21: dfff800000000000 x20: 0000000000000300 x19: ffff80008f346040 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008adb82bc x15: 0000000000000001 x14: 1ffff00011e68c08 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700011e68c09 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2c30c x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000800075e0 x3 : ffff800080ac62d0 x2 : ffff8000800075e0 x1 : 0000000000000300 x0 : 0000000000000000 Call trace: queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] (P) __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] (P) __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] (P) change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 (P) apply_to_pte_range mm/memory.c:2941 [inline] apply_to_pmd_range mm/memory.c:2985 [inline] apply_to_pud_range mm/memory.c:3021 [inline] apply_to_p4d_range mm/memory.c:3057 [inline] __apply_to_page_range+0xd58/0x13e4 mm/memory.c:3093 apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_unprotect mm/kfence/core.c:252 [inline] kfence_guarded_alloc+0x2e8/0xb08 mm/kfence/core.c:459 __kfence_alloc+0x394/0x45c mm/kfence/core.c:1138 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:4180 [inline] kmem_cache_alloc_node_noprof+0x34c/0x3f4 mm/slub.c:4248 __alloc_skb+0x144/0x2ec net/core/skbuff.c:658 alloc_skb include/linux/skbuff.h:1340 [inline] lapb_send_control+0x48/0x320 net/lapb/lapb_subr.c:227 lapb_t1timer_expiry+0x490/0x864 net/lapb/lapb_timer.c:-1 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x51c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 200659 hardirqs last enabled at (200658): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (200658): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (200659): [] kfence_guarded_alloc+0x190/0xb08 mm/kfence/core.c:438 softirqs last enabled at (200642): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (200642): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (200649): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007160 x29: ffff800080007280 x28: ffff0001ffa42fff x27: ffff0001fec50fe8 x26: ffff0001ffa43000 x25: dfff800000000000 x24: ffff0001ffa42000 x23: ffff0001fea8e210 x22: 0000000000000500 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb962 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb963 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007360 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000500 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free_freelist_hook mm/slub.c:2394 [inline] slab_free_bulk mm/slub.c:4666 [inline] kmem_cache_free_bulk+0x490/0x51c mm/slub.c:5243 kfree_skb_list_reason+0x3ac/0x418 net/core/skbuff.c:1264 __dev_xmit_skb net/core/dev.c:4093 [inline] __dev_queue_xmit+0x1ac8/0x31f0 net/core/dev.c:4595 dev_queue_xmit include/linux/netdevice.h:3350 [inline] lapbeth_data_transmit+0x1fc/0x2a8 drivers/net/wan/lapbether.c:260 lapb_data_transmit+0x8c/0xb0 net/lapb/lapb_iface.c:447 lapb_transmit_buffer+0x160/0x208 net/lapb/lapb_out.c:149 lapb_send_control+0x21c/0x320 net/lapb/lapb_subr.c:251 lapb_t1timer_expiry+0x490/0x864 net/lapb/lapb_timer.c:-1 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x51c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 200675 hardirqs last enabled at (200674): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (200674): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (200675): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (200642): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (200642): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (200649): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080006f80 x29: ffff8000800070a0 x28: ffff0001ffa44fff x27: ffff0001fec50fe8 x26: ffff0001ffa45000 x25: dfff800000000000 x24: ffff0001ffa44000 x23: ffff0001fea8e220 x22: 0000000000000100 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008adb82bc x15: ffff700010000e38 x14: 1ffff00010000e38 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000004d13abc x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2c30c x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007180 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_unprotect mm/kfence/core.c:252 [inline] kfence_guarded_alloc+0x2e8/0xb08 mm/kfence/core.c:459 __kfence_alloc+0x394/0x45c mm/kfence/core.c:1138 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:4180 [inline] kmem_cache_alloc_node_noprof+0x34c/0x3f4 mm/slub.c:4248 kmalloc_reserve+0xc4/0x268 net/core/skbuff.c:577 __alloc_skb+0x170/0x2ec net/core/skbuff.c:668 napi_alloc_skb+0xa0/0x5fc net/core/skbuff.c:810 gve_rx_copy_data+0x40/0x1a0 drivers/net/ethernet/google/gve/gve_utils.c:72 gve_rx_copy+0x8c/0xe8 drivers/net/ethernet/google/gve/gve_utils.c:89 gve_rx_skb drivers/net/ethernet/google/gve/gve_rx.c:663 [inline] gve_rx drivers/net/ethernet/google/gve/gve_rx.c:884 [inline] gve_clean_rx_done drivers/net/ethernet/google/gve/gve_rx.c:1024 [inline] gve_rx_poll+0xa08/0x365c drivers/net/ethernet/google/gve/gve_rx.c:1095 gve_napi_poll+0x140/0x3ac drivers/net/ethernet/google/gve/gve_main.c:372 __napi_poll+0xb4/0x3fc net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x5d4/0xcc8 net/core/dev.c:7510 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 201941 hardirqs last enabled at (201940): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (201940): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (201941): [] kfence_guarded_alloc+0x190/0xb08 mm/kfence/core.c:438 softirqs last enabled at (201924): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (201924): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (201931): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:67 change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] pc : __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] pc : __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] pc : change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 lr : queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] lr : __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] lr : __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] lr : change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 sp : ffff800080006f40 x29: ffff800080006f40 x28: ffff0001ffa44fff x27: ffff0001fec50fe8 x26: ffff0001ffa45000 x25: ffff0001ffa44000 x24: ffff0001ffa44000 x23: 006800023fa44707 x22: 0040000000000001 x21: dfff800000000000 x20: 0000000000000100 x19: ffff80008f346040 x18: 1fffe0003386aa76 x17: ffff80010d0e8000 x16: ffff80008adb82bc x15: 0000000000000001 x14: 1ffff00011e68c08 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700011e68c09 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2c30c x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007180 x3 : ffff800080ac62d0 x2 : ffff800080007180 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: queue_pte_barriers arch/arm64/include/asm/pgtable.h:67 [inline] (P) __set_pte_complete arch/arm64/include/asm/pgtable.h:387 [inline] (P) __set_pte arch/arm64/include/asm/pgtable.h:393 [inline] (P) change_page_range+0x188/0x1cc arch/arm64/mm/pageattr.c:48 (P) apply_to_pte_range mm/memory.c:2941 [inline] apply_to_pmd_range mm/memory.c:2985 [inline] apply_to_pud_range mm/memory.c:3021 [inline] apply_to_p4d_range mm/memory.c:3057 [inline] __apply_to_page_range+0xd58/0x13e4 mm/memory.c:3093 apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_unprotect mm/kfence/core.c:252 [inline] kfence_guarded_alloc+0x2e8/0xb08 mm/kfence/core.c:459 __kfence_alloc+0x394/0x45c mm/kfence/core.c:1138 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:4180 [inline] kmem_cache_alloc_node_noprof+0x34c/0x3f4 mm/slub.c:4248 kmalloc_reserve+0xc4/0x268 net/core/skbuff.c:577 __alloc_skb+0x170/0x2ec net/core/skbuff.c:668 napi_alloc_skb+0xa0/0x5fc net/core/skbuff.c:810 gve_rx_copy_data+0x40/0x1a0 drivers/net/ethernet/google/gve/gve_utils.c:72 gve_rx_copy+0x8c/0xe8 drivers/net/ethernet/google/gve/gve_utils.c:89 gve_rx_skb drivers/net/ethernet/google/gve/gve_rx.c:663 [inline] gve_rx drivers/net/ethernet/google/gve/gve_rx.c:884 [inline] gve_clean_rx_done drivers/net/ethernet/google/gve/gve_rx.c:1024 [inline] gve_rx_poll+0xa08/0x365c drivers/net/ethernet/google/gve/gve_rx.c:1095 gve_napi_poll+0x140/0x3ac drivers/net/ethernet/google/gve/gve_main.c:372 __napi_poll+0xb4/0x3fc net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x5d4/0xcc8 net/core/dev.c:7510 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 201941 hardirqs last enabled at (201940): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (201940): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (201941): [] kfence_guarded_alloc+0x190/0xb08 mm/kfence/core.c:438 softirqs last enabled at (201924): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (201924): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (201931): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pte_range mm/memory.c:2936 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pmd_range mm/memory.c:2985 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_pud_range mm/memory.c:3021 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 apply_to_p4d_range mm/memory.c:3057 [inline] WARNING: CPU: 0 PID: 0 at ./arch/arm64/include/asm/pgtable.h:82 __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.15.0-rc5-syzkaller-gac57c6b0f09c #0 PREEMPT Tainted: [W]=WARN 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 : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] pc : apply_to_pte_range mm/memory.c:2936 [inline] pc : apply_to_pmd_range mm/memory.c:2985 [inline] pc : apply_to_pud_range mm/memory.c:3021 [inline] pc : apply_to_p4d_range mm/memory.c:3057 [inline] pc : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 lr : arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] lr : apply_to_pte_range mm/memory.c:2936 [inline] lr : apply_to_pmd_range mm/memory.c:2985 [inline] lr : apply_to_pud_range mm/memory.c:3021 [inline] lr : apply_to_p4d_range mm/memory.c:3057 [inline] lr : __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 sp : ffff800080007160 x29: ffff800080007280 x28: ffff0001ffa44fff x27: ffff0001fec50fe8 x26: ffff0001ffa45000 x25: dfff800000000000 x24: ffff0001ffa44000 x23: ffff0001fea8e220 x22: 0000000000000100 x21: ffff80008f346040 x20: 100000023ea8e403 x19: 0000000000000001 x18: 1fffe0003386aa76 x17: 0000000000020010 x16: ffff80008051bab8 x15: 0000000000000001 x14: 1ffff00012dfb939 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012dfb93a x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff80008f346040 x7 : ffff800080c2b0a4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800080007360 x3 : ffff8000802595f4 x2 : 0000000000001000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:82 [inline] (P) apply_to_pte_range mm/memory.c:2936 [inline] (P) apply_to_pmd_range mm/memory.c:2985 [inline] (P) apply_to_pud_range mm/memory.c:3021 [inline] (P) apply_to_p4d_range mm/memory.c:3057 [inline] (P) __apply_to_page_range+0xdb4/0x13e4 mm/memory.c:3093 (P) apply_to_page_range+0x4c/0x64 mm/memory.c:3112 __change_memory_common+0xac/0x3f8 arch/arm64/mm/pageattr.c:64 set_memory_valid+0x68/0x7c arch/arm64/mm/pageattr.c:-1 kfence_protect_page arch/arm64/include/asm/kfence.h:17 [inline] kfence_protect mm/kfence/core.c:247 [inline] kfence_guarded_free+0x278/0x5a8 mm/kfence/core.c:565 __kfence_free+0x104/0x198 mm/kfence/core.c:1187 kfence_free include/linux/kfence.h:187 [inline] slab_free_hook mm/slub.c:2318 [inline] slab_free mm/slub.c:4642 [inline] kmem_cache_free+0x250/0x550 mm/slub.c:4744 skb_kfree_head net/core/skbuff.c:1056 [inline] skb_free_head+0xbc/0x198 net/core/skbuff.c:1070 skb_release_data+0x66c/0x820 net/core/skbuff.c:1097 skb_release_all net/core/skbuff.c:1162 [inline] __kfree_skb net/core/skbuff.c:1176 [inline] consume_skb+0xb0/0x130 net/core/skbuff.c:1408 arp_process+0xb78/0x12b8 net/ipv4/arp.c:941 NF_HOOK+0x2b8/0x34c include/linux/netfilter.h:314 arp_rcv+0x2a8/0x430 net/ipv4/arp.c:991 __netif_receive_skb_list_ptype net/core/dev.c:5935 [inline] __netif_receive_skb_list_core+0x60c/0x67c net/core/dev.c:5977 __netif_receive_skb_list net/core/dev.c:6029 [inline] netif_receive_skb_list_internal+0x74c/0x9e0 net/core/dev.c:6120 gro_normal_list include/net/gro.h:532 [inline] napi_complete_done+0x250/0x614 net/core/dev.c:6490 gve_napi_poll+0x1f4/0x3ac drivers/net/ethernet/google/gve/gve_main.c:388 __napi_poll+0xb4/0x3fc net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x5d4/0xcc8 net/core/dev.c:7510 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:325 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423 rest_init+0x2d8/0x2f4 init/main.c:743 start_kernel+0x44c/0x4a8 init/main.c:1099 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246 irq event stamp: 201963 hardirqs last enabled at (201962): [] __el1_irq arch/arm64/kernel/entry-common.c:588 [inline] hardirqs last enabled at (201962): [] el1_interrupt+0x44/0x54 arch/arm64/kernel/entry-common.c:598 hardirqs last disabled at (201963): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (201924): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (201924): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (201931): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---