------------[ cut here ]------------ WARNING: CPU: 1 PID: 6096 at net/ipv4/inet_connection_sock.c:590 inet_csk_get_port+0x1208/0x1404 net/ipv4/inet_connection_sock.c:590 Modules linked in: CPU: 1 PID: 6096 Comm: syz.3.382 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : inet_csk_get_port+0x1208/0x1404 net/ipv4/inet_connection_sock.c:590 lr : inet_csk_get_port+0x1208/0x1404 net/ipv4/inet_connection_sock.c:590 sp : ffff800021277b30 x29: ffff800021277c20 x28: ffff0000d10d4000 x27: dfff800000000000 x26: ffff0000d76dffa8 x25: 0000000000004e20 x24: dfff800000000000 x23: ffff80001c6db180 x22: ffff0000f87b1080 x21: 1fffe0001ad7c636 x20: ffff0000d6be31b0 x19: ffff0000d6be31b8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d3a08 x15: 0000000000000002 x14: 00000000ffff0000 x13: 1ffff00002a0a0b1 x12: 0000000000080000 x11: 000000000000060a x10: ffff800028e0b000 x9 : ffff8000103d81b0 x8 : 000000000000060b x7 : ffff80000fc6f814 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inet_csk_get_port+0x1208/0x1404 net/ipv4/inet_connection_sock.c:590 inet_csk_listen_start+0x104/0x2c4 net/ipv4/inet_connection_sock.c:1296 inet_dccp_listen+0x194/0x260 net/dccp/proto.c:948 __sys_listen+0x198/0x21c net/socket.c:1845 __do_sys_listen net/socket.c:1854 [inline] __se_sys_listen net/socket.c:1852 [inline] __arm64_sys_listen+0x5c/0x74 net/socket.c:1852 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 3363 hardirqs last enabled at (3362): [] __local_bh_enable_ip+0x1f8/0x380 kernel/softirq.c:426 hardirqs last disabled at (3363): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3348): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (3348): [] lock_sock_nested+0xe0/0x130 net/core/sock.c:3503 softirqs last disabled at (3350): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (3350): [] inet_csk_get_port+0x1d0/0x1404 net/ipv4/inet_connection_sock.c:538 ---[ end trace 0000000000000000 ]---