------------[ cut here ]------------ WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:162, CPU#1: syz.7.1809/10622 Modules linked in: CPU: 1 UID: 0 PID: 10622 Comm: syz.7.1809 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 43400005 (nZcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:162 lr : inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:162 sp : ffff80008e8e7c50 x29: ffff80008e8e7c60 x28: ffff0000d8fdfc10 x27: dfff800000000000 x26: 1fffe0001b1fbef2 x25: dfff800000000000 x24: 1fffe0001b1fbf82 x23: ffff0000d8fdf700 x22: ffff0000d8fdf790 x21: ffff0000f109a6c0 x20: 0000000000000f70 x19: 0000000000800101 x18: 1fffe00035c20e20 x17: ffff8000888db000 x16: ffff80008898cfc0 x15: ffff0001ae10710c x14: 00000000ffff8000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000102 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000008 x3 : ffff800085393d7c x2 : 0000000000000f70 x1 : ffff0000c8f2d700 x0 : 0000000000000000 Call trace: inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:162 (P) udp_destruct_sock+0x28/0x38 net/ipv4/udp.c:1808 __sk_destruct+0x80/0x84c net/core/sock.c:2352 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x568/0xec4 kernel/rcu/tree.c:2869 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2886 handle_softirqs+0x2e4/0xd34 kernel/softirq.c:622 __do_softirq+0x14/0x20 kernel/softirq.c:656 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:68 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:73 invoke_softirq kernel/softirq.c:503 [inline] __irq_exit_rcu+0x1ac/0x428 kernel/softirq.c:735 irq_exit_rcu+0x14/0x84 kernel/softirq.c:752 __el1_irq arch/arm64/kernel/entry-common.c:497 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:509 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:514 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:590 __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) lock_acquire+0x16c/0x368 kernel/locking/lockdep.c:5871 (P) rcu_lock_acquire+0x44/0x54 include/linux/rcupdate.h:300 rcu_read_lock_sched include/linux/rcupdate.h:936 [inline] pfn_valid+0x110/0x450 include/linux/mmzone.h:2281 page_table_check_set+0x3c/0x508 mm/page_table_check.c:105 __page_table_check_ptes_set+0x21c/0x254 mm/page_table_check.c:212 page_table_check_ptes_set include/linux/page_table_check.h:83 [inline] __set_ptes_anysz+0x4dc/0x51c arch/arm64/include/asm/pgtable.h:681 __set_ptes arch/arm64/include/asm/pgtable.h:714 [inline] set_ptes arch/arm64/include/asm/pgtable.h:1782 [inline] wp_page_copy mm/memory.c:3929 [inline] do_wp_page+0x15dc/0x3fe8 mm/memory.c:4320 handle_pte_fault mm/memory.c:6427 [inline] __handle_mm_fault mm/memory.c:6549 [inline] handle_mm_fault+0x10d0/0x2450 mm/memory.c:6718 do_page_fault+0x768/0xb64 arch/arm64/mm/fault.c:704 do_mem_abort+0x70/0x190 arch/arm64/mm/fault.c:980 el0_da+0x68/0x23c arch/arm64/kernel/entry-common.c:539 el0t_64_sync_handler+0x10c/0x148 arch/arm64/kernel/entry-common.c:745 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 irq event stamp: 835 hardirqs last enabled at (834): [] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234 hardirqs last disabled at (835): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (718): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (789): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---