netlink: 44 bytes leftover after parsing attributes in process `syz.0.982'. ------------[ cut here ]------------ memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:853 (size 16) WARNING: CPU: 1 PID: 7298 at net/sched/cls_u32.c:853 u32_init_knode net/sched/cls_u32.c:853 [inline] WARNING: CPU: 1 PID: 7298 at net/sched/cls_u32.c:853 u32_change+0x1748/0x2018 net/sched/cls_u32.c:919 Modules linked in: CPU: 1 PID: 7298 Comm: syz.0.982 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : u32_init_knode net/sched/cls_u32.c:853 [inline] pc : u32_change+0x1748/0x2018 net/sched/cls_u32.c:919 lr : u32_init_knode net/sched/cls_u32.c:853 [inline] lr : u32_change+0x1748/0x2018 net/sched/cls_u32.c:919 sp : ffff8000211c6c60 x29: ffff8000211c6dc0 x28: ffff0000d6add000 x27: 1fffe0001ad5ba0d x26: ffff8000211c6f40 x25: ffff0000d98a2600 x24: dfff800000000000 x23: 0000000000000010 x22: ffff700004238d9c x21: dfff800000000000 x20: ffff8000211c7460 x19: ffff800017d5f000 x18: 0000000000000000 x17: 20646c6569662065 x16: ffff800011b8ee98 x15: 2029323320657a69 x14: 0000000000000001 x13: 1fffe00033e769a3 x12: 0000000000080000 x11: 0000000000002c37 x10: ffff800021a2a000 x9 : 5d46f363f4f5d800 x8 : 5d46f363f4f5d800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000211c66f8 x4 : ffff800015464e60 x3 : ffff800008540378 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: u32_init_knode net/sched/cls_u32.c:853 [inline] u32_change+0x1748/0x2018 net/sched/cls_u32.c:919 tc_new_tfilter+0xdc8/0x1468 net/sched/cls_api.c:2194 rtnetlink_rcv_msg+0x6d4/0xcc4 net/core/rtnetlink.c:6149 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmmsg+0x320/0x7ec net/socket.c:2659 __do_sys_sendmmsg net/socket.c:2688 [inline] __se_sys_sendmmsg net/socket.c:2685 [inline] __arm64_sys_sendmmsg+0xa4/0xc0 net/socket.c:2685 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 586 hardirqs last enabled at (585): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (586): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (542): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (536): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---