------------[ cut here ]------------ WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162, CPU#1: syz.4.879/8494 Modules linked in: CPU: 1 UID: 0 PID: 8494 Comm: syz.4.879 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 pstate: 43400005 (nZcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162 lr : inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162 sp : ffff80008eaf7c90 x29: ffff80008eaf7ca0 x28: 1fffe0001946f001 x27: ffff0000c33b4908 x26: ffff0000ca378008 x25: ffff0000c33b4400 x24: 1fffe00018676892 x23: ffff0000c33b4490 x22: dfff800000000000 x21: ffff0000d4d68000 x20: 0000000000000f70 x19: ffff0000c33b468c x18: 1fffe00035bd2e28 x17: ffff8000854d04f0 x16: ffff8000854c33e8 x15: ffff800084c06804 x14: 00000000ffff8000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: ffff6000186768d5 x9 : 0000000000000101 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000008 x3 : ffff800085500f30 x2 : 0000000000000f70 x1 : ffff0000ca378000 x0 : 0000000000000000 Call trace: inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162 (P) udp_destruct_sock+0x28/0x38 net/ipv4/udp.c:1808 __sk_destruct+0x80/0x854 net/core/sock.c:2357 rcu_do_batch kernel/rcu/tree.c:2645 [inline] rcu_core+0x598/0xf04 kernel/rcu/tree.c:2897 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2914 handle_softirqs+0x2ec/0xd98 kernel/softirq.c:622 __do_softirq+0x14/0x20 kernel/softirq.c:656 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:78 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:83 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:510 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:522 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:527 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:590 check_kcov_mode+0x48/0x54 kernel/kcov.c:185 (P) generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] folio_test_swapbacked include/linux/page-flags.h:572 [inline] mm_counter_file include/linux/mm.h:3380 [inline] finish_fault+0xa90/0xce8 mm/memory.c:5725 do_read_fault mm/memory.c:5864 [inline] do_fault mm/memory.c:5994 [inline] do_pte_missing+0x1784/0x2a24 mm/memory.c:4566 handle_pte_fault mm/memory.c:6379 [inline] __handle_mm_fault mm/memory.c:6517 [inline] handle_mm_fault+0x15a4/0x253c mm/memory.c:6686 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x8ec/0x2134 mm/gup.c:1428 populate_vma_page_range+0x260/0x358 mm/gup.c:1860 __mm_populate+0x204/0x328 mm/gup.c:1963 mm_populate include/linux/mm.h:4171 [inline] vm_mmap_pgoff+0x358/0x46c mm/util.c:586 ksys_mmap_pgoff+0xd0/0x5b4 mm/mmap.c:606 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0x108/0x120 arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 irq event stamp: 24481 hardirqs last enabled at (24480): [] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234 hardirqs last disabled at (24481): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425 softirqs last enabled at (20014): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (20014): [] handle_softirqs+0xc28/0xd98 kernel/softirq.c:650 softirqs last disabled at (23459): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- IPVS: ovf: UDP 224.0.0.2:0 - no destination available IPVS: ovf: UDP 224.0.0.2:0 - no destination available IPVS: ovf: UDP 224.0.0.2:0 - no destination available IPVS: ovf: UDP 224.0.0.2:0 - no destination available IPVS: ovf: UDP 224.0.0.2:0 - no destination available IPVS: ovf: UDP 224.0.0.2:0 - no destination available IPVS: ovf: UDP 224.0.0.2:0 - no destination available IPVS: ovf: UDP 224.0.0.2:0 - no destination available