------------[ cut here ]------------ WARNING: net/ipv4/af_inet.c:157 at inet_sock_destruct+0x538/0x630 net/ipv4/af_inet.c:157, CPU#1: syz.1.256/7762 Modules linked in: CPU: 1 UID: 0 PID: 7762 Comm: syz.1.256 Not tainted syzkaller #0 PREEMPT 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 : ffff800097bd7c30 x29: ffff800097bd7c40 x28: ffff8000891a8074 x27: 0000000000000004 x26: 1fffe00019f40c72 x25: dfff800000000000 x24: ffff0000cfa06808 x23: ffff0000cfa06300 x22: ffff0000cfa06390 x21: ffff0000e0afa5c0 x20: 0000000000000f70 x19: 0000000000800101 x18: 1fffe00033781890 x17: ffff8000805e7f5c x16: ffff8000805387e4 x15: 0000000000000001 x14: 1fffe00019f40cb4 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600019f40cb5 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000e2235580 x7 : ffff800080ca815c x6 : ffff800080ca44a4 x5 : ffff0000d211f598 x4 : ffff800097bd7998 x3 : ffff800089af72d0 x2 : 0000000000000000 x1 : 0000000000000f70 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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] (P) __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] (P) _raw_spin_unlock_irq+0x34/0x80 kernel/locking/spinlock.c:202 (P) spin_unlock_irq include/linux/spinlock.h:401 [inline] shmem_add_to_page_cache+0x658/0xa24 mm/shmem.c:928 shmem_alloc_and_add_folio+0x758/0x10c4 mm/shmem.c:1958 shmem_get_folio_gfp+0x4d4/0x159c mm/shmem.c:2556 shmem_get_folio mm/shmem.c:2662 [inline] shmem_write_begin+0x160/0x490 mm/shmem.c:3315 generic_perform_write+0x244/0x7bc mm/filemap.c:4314 shmem_file_write_iter+0x10c/0x134 mm/shmem.c:3490 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x540/0xa3c fs/read_write.c:686 ksys_write+0x120/0x210 fs/read_write.c:738 __do_sys_write fs/read_write.c:749 [inline] __se_sys_write fs/read_write.c:746 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:746 __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: 199685 hardirqs last enabled at (199684): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (199685): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (196676): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (196676): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (199543): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---