------------[ cut here ]------------ WARNING: net/ipv4/af_inet.c:157 at inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:157, CPU#0: syz.3.457/8442 Modules linked in: CPU: 0 UID: 0 PID: 8442 Comm: syz.3.457 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 43400005 (nZcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:157 lr : inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:157 sp : ffff800097bc7c30 x29: ffff800097bc7c40 x28: ffff8000891a8074 x27: 0000000000000004 x26: 1fffe0001af9ee82 x25: dfff800000000000 x24: ffff0000d7cf7888 x23: ffff0000d7cf7380 x22: ffff0000d7cf7410 x21: ffff0000cb7f0000 x20: 0000000000000e50 x19: 0000000000800101 x18: 1fffe0003377d090 x17: ffff80010c42d000 x16: ffff8000805387e4 x15: 0000000000000001 x14: 1fffe0001af9eec4 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001af9eec5 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d5b39c80 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000001 x3 : ffff800089af72d0 x2 : 0000000000000000 x1 : 0000000000000e50 x0 : 0000000000000000 Call trace: inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:157 (P) udp_destruct_sock+0x28/0x38 net/ipv4/udp.c:1836 __sk_destruct+0x80/0x924 net/core/sock.c:2350 rcu_do_batch kernel/rcu/tree.c:2605 [inline] rcu_core+0x848/0x1774 kernel/rcu/tree.c:2857 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2874 handle_softirqs+0x31c/0xc88 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:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:73 invoke_softirq kernel/softirq.c:503 [inline] __irq_exit_rcu+0x1b0/0x478 kernel/softirq.c:723 irq_exit_rcu+0x14/0x84 kernel/softirq.c:739 __el1_irq arch/arm64/kernel/entry-common.c:498 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:510 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:515 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592 pfn_valid+0x3c/0x2c8 include/linux/mmzone.h:2180 (P) lowmem_page_address include/linux/mm.h:2512 [inline] free_pages_prepare mm/page_alloc.c:1413 [inline] free_unref_folios+0x528/0x1434 mm/page_alloc.c:3000 folios_put_refs+0x61c/0x72c mm/swap.c:1002 free_pages_and_swap_cache+0x204/0x3a0 mm/swap_state.c:355 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:397 [inline] tlb_flush_mmu+0x14c/0x398 mm/mmu_gather.c:404 tlb_finish_mmu+0xc0/0x1e4 mm/mmu_gather.c:497 vms_clear_ptes+0x35c/0x458 mm/vma.c:1238 vms_complete_munmap_vmas+0x1d4/0x7e4 mm/vma.c:1280 do_vmi_align_munmap+0x2e0/0x32c mm/vma.c:1539 do_vmi_munmap+0x1dc/0x260 mm/vma.c:1587 __vm_munmap+0x200/0x374 mm/vma.c:3203 __do_sys_munmap mm/mmap.c:1077 [inline] __se_sys_munmap mm/mmap.c:1074 [inline] __arm64_sys_munmap+0x64/0x7c mm/mmap.c:1074 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 52807 hardirqs last enabled at (52806): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (52807): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (51688): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (52713): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---