BUG: memory leak
unreferenced object 0xffff88800b59ba80 (size 96):
  comm "syz-executor.1", pid 81414, jiffies 4294944122 (age 301.784s)
  hex dump (first 32 bytes):
    01 00 00 00 00 01 02 00 02 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000087f7a4a4>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224
    [<00000000d80069fd>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319
    [<00000000c0649035>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline]
    [<00000000c0649035>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline]
    [<00000000c0649035>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253
    [<00000000d1b8e3e7>] __pskb_copy_fclone+0xec/0xc90 net/core/skbuff.c:1562
    [<00000000baa2e6a2>] __pskb_copy include/linux/skbuff.h:1158 [inline]
    [<00000000baa2e6a2>] pskb_copy include/linux/skbuff.h:3124 [inline]
    [<00000000baa2e6a2>] hwsim_hw_xmit+0x381/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132
    [<00000000a73771b2>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline]
    [<00000000a73771b2>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83
    [<00000000cdeb232b>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132
    [<00000000b33cd918>] __netdev_start_xmit include/linux/netdevice.h:4772 [inline]
    [<00000000b33cd918>] netdev_start_xmit include/linux/netdevice.h:4786 [inline]
    [<00000000b33cd918>] xmit_one net/core/dev.c:3576 [inline]
    [<00000000b33cd918>] dev_hard_start_xmit+0x1ba/0x800 net/core/dev.c:3592
    [<00000000e2b94a2c>] sch_direct_xmit+0x262/0x770 net/sched/sch_generic.c:336
    [<00000000bb04bf15>] qdisc_restart net/sched/sch_generic.c:401 [inline]
    [<00000000bb04bf15>] __qdisc_run+0x4b3/0x1630 net/sched/sch_generic.c:409
    [<000000003c60057a>] qdisc_run include/net/pkt_sched.h:126 [inline]
    [<000000003c60057a>] qdisc_run include/net/pkt_sched.h:123 [inline]
    [<000000003c60057a>] __dev_xmit_skb net/core/dev.c:3768 [inline]
    [<000000003c60057a>] __dev_queue_xmit+0xd9a/0x27f0 net/core/dev.c:4122
    [<00000000eea87379>] dgram_sendmsg+0x93a/0xc50 net/ieee802154/socket.c:682
    [<000000001350ee86>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<000000001350ee86>] sock_sendmsg+0x150/0x190 net/socket.c:671
    [<0000000076dfca86>] ____sys_sendmsg+0x32e/0x860 net/socket.c:2340
    [<00000000ba320f73>] ___sys_sendmsg+0xff/0x170 net/socket.c:2394
    [<00000000e9c5e1d4>] __sys_sendmmsg+0x192/0x460 net/socket.c:2484

BUG: leak checking failed