BUG: memory leak
unreferenced object 0xffff888112d8b900 (size 256):
  comm "syz-executor.0", pid 6697, jiffies 4295096790 (age 13.070s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000ff8e310c>] kmalloc include/linux/slab.h:554 [inline]
    [<00000000ff8e310c>] kmalloc_array include/linux/slab.h:593 [inline]
    [<00000000ff8e310c>] kcalloc include/linux/slab.h:605 [inline]
    [<00000000ff8e310c>] tcf_exts_init include/net/pkt_cls.h:229 [inline]
    [<00000000ff8e310c>] tcindex_set_parms+0xa3/0x9d0 net/sched/cls_tcindex.c:339
    [<00000000e614d7e1>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546
    [<00000000df2eb401>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129
    [<00000000b5a4c00e>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554
    [<00000000456ca052>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470
    [<00000000f42d8ebe>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
    [<00000000f42d8ebe>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330
    [<000000004945548a>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919
    [<000000002cb03723>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<000000002cb03723>] sock_sendmsg+0x4c/0x60 net/socket.c:671
    [<0000000073b72a4d>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353
    [<000000009535504d>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407
    [<00000000add0d8fc>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440
    [<00000000befa52d6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000007a178b66>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888112c18400 (size 256):
  comm "syz-executor.0", pid 6697, jiffies 4295096790 (age 13.070s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000006f1a8cf7>] kmalloc include/linux/slab.h:554 [inline]
    [<000000006f1a8cf7>] kmalloc_array include/linux/slab.h:593 [inline]
    [<000000006f1a8cf7>] kcalloc include/linux/slab.h:605 [inline]
    [<000000006f1a8cf7>] tcf_exts_init include/net/pkt_cls.h:229 [inline]
    [<000000006f1a8cf7>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline]
    [<000000006f1a8cf7>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302
    [<00000000cbcf8fae>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433
    [<00000000e614d7e1>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546
    [<00000000df2eb401>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129
    [<00000000b5a4c00e>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554
    [<00000000456ca052>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470
    [<00000000f42d8ebe>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
    [<00000000f42d8ebe>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330
    [<000000004945548a>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919
    [<000000002cb03723>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<000000002cb03723>] sock_sendmsg+0x4c/0x60 net/socket.c:671
    [<0000000073b72a4d>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353
    [<000000009535504d>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407
    [<00000000add0d8fc>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440
    [<00000000befa52d6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000007a178b66>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888112cd3200 (size 256):
  comm "syz-executor.0", pid 6697, jiffies 4295096790 (age 13.070s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000006f1a8cf7>] kmalloc include/linux/slab.h:554 [inline]
    [<000000006f1a8cf7>] kmalloc_array include/linux/slab.h:593 [inline]
    [<000000006f1a8cf7>] kcalloc include/linux/slab.h:605 [inline]
    [<000000006f1a8cf7>] tcf_exts_init include/net/pkt_cls.h:229 [inline]
    [<000000006f1a8cf7>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline]
    [<000000006f1a8cf7>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302
    [<00000000cbcf8fae>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433
    [<00000000e614d7e1>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546
    [<00000000df2eb401>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129
    [<00000000b5a4c00e>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554
    [<00000000456ca052>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470
    [<00000000f42d8ebe>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
    [<00000000f42d8ebe>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330
    [<000000004945548a>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919
    [<000000002cb03723>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<000000002cb03723>] sock_sendmsg+0x4c/0x60 net/socket.c:671
    [<0000000073b72a4d>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353
    [<000000009535504d>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407
    [<00000000add0d8fc>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440
    [<00000000befa52d6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000007a178b66>] entry_SYSCALL_64_after_hwframe+0x44/0xa9