------------[ cut here ]------------ WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162, CPU#0: syz.0.997/9694 Modules linked in: CPU: 0 UID: 0 PID: 9694 Comm: syz.0.997 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 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 : ffff80008eae7c90 x29: ffff80008eae7ca0 x28: 1fffe000235eb3a9 x27: ffff0000f23f1608 x26: ffff00011af59d48 x25: ffff0000f23f1100 x24: 1fffe0001e47e232 x23: ffff0000f23f1190 x22: dfff800000000000 x21: ffff0000d4b2ce80 x20: 0000000000000f70 x19: ffff0000f23f138c x18: 00000000ffffffff x17: ffff8000854d04f0 x16: ffff8000854c33e8 x15: ffff800084c06804 x14: 00000000ffff8000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: ffff60001e47e275 x9 : 0000000000000101 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000008 x3 : ffff800085500f30 x2 : 0000000000000f70 x1 : ffff00011af59d40 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 __sanitizer_cov_trace_cmp8+0x28/0x30 kernel/kcov.c:295 (P) zap_present_ptes mm/memory.c:1700 [inline] do_zap_pte_range mm/memory.c:1832 [inline] zap_pte_range mm/memory.c:1934 [inline] zap_pmd_range mm/memory.c:2020 [inline] zap_pud_range mm/memory.c:2048 [inline] zap_p4d_range mm/memory.c:2069 [inline] __zap_vma_range+0xcd0/0x42f4 mm/memory.c:2109 unmap_vmas+0x2e0/0x43c mm/memory.c:2178 exit_mmap+0x1e8/0xad4 mm/mmap.c:1300 __mmput+0xe0/0x2e8 kernel/fork.c:1187 mmput+0x70/0xa8 kernel/fork.c:1210 exit_mm+0x1ac/0x264 kernel/exit.c:615 do_exit+0x524/0x1a74 kernel/exit.c:997 do_group_exit+0x198/0x238 kernel/exit.c:1152 get_signal+0xfb0/0x1094 kernel/signal.c:3046 arch_do_signal_or_restart+0x288/0x444c arch/arm64/kernel/signal.c:1665 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x70/0x17c kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] arm64_syscall_exit_to_user_mode arch/arm64/kernel/entry-common.c:88 [inline] el0_svc+0x18c/0x260 arch/arm64/kernel/entry-common.c:737 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: 1009 hardirqs last enabled at (1008): [] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234 hardirqs last disabled at (1009): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425 softirqs last enabled at (642): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (642): [] release_sock+0x150/0x228 net/core/sock.c:3867 softirqs last disabled at (971): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---