netlink: 36 bytes leftover after parsing attributes in process `syz.4.1508'.
------------[ 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: 0 PID: 9475 at net/sched/cls_u32.c:853 u32_init_knode net/sched/cls_u32.c:853 [inline]
WARNING: CPU: 0 PID: 9475 at net/sched/cls_u32.c:853 u32_change+0x1748/0x2018 net/sched/cls_u32.c:919
Modules linked in:
CPU: 0 PID: 9475 Comm: syz.4.1508 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 : ffff8000213d6c60
x29: ffff8000213d6dc0 x28: ffff0000d4ac6800 x27: 1fffe0001a958d0d
x26: ffff8000213d6f40 x25: ffff0000d4acb800 x24: dfff800000000000
x23: 0000000000000010 x22: ffff70000427ad9c x21: dfff800000000000
x20: ffff8000213d7460 x19: ffff800017cfe000 x18: 1fffe00033e7ff7e
x17: ffff80001532d000 x16: ffff8000082dcf38 x15: 0000000040000000
x14: 0000000000000001 x13: 1fffe00033e82670 x12: 0000000000000000
x11: ff0080000a91e7c0 x10: 0000000000000003 x9 : 287f0b40bfba0500
x8 : 287f0b40bfba0500 x7 : ffff80000825ab3c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff800011c9dc80 x0 : ffff80018a17a000
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: 2944
hardirqs last  enabled at (2943): [<ffff80000825abd0>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline]
hardirqs last  enabled at (2943): [<ffff80000825abd0>] finish_lock_switch+0xb0/0x1c8 kernel/sched/core.c:5004
hardirqs last disabled at (2944): [<ffff800011b3a55c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (2900): [<ffff80000fe24bd0>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (2900): [<ffff80000fe24bd0>] release_sock+0x16c/0x1bc net/core/sock.c:3531
softirqs last disabled at (2898): [<ffff80000fe24a98>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (2898): [<ffff80000fe24a98>] release_sock+0x34/0x1bc net/core/sock.c:3518
---[ end trace 0000000000000000 ]---