BUG: memory leak unreferenced object 0xffff88800cd2ab00 (size 96): comm "syz-executor.4", pid 39018, jiffies 4294954075 (age 222.473s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 05 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000008cc471b5>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<00000000afcfd454>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<0000000039b3f2dc>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<0000000039b3f2dc>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<0000000039b3f2dc>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<0000000083faab8b>] __pskb_copy_fclone+0xec/0xc90 net/core/skbuff.c:1562 [<00000000397258fb>] __pskb_copy include/linux/skbuff.h:1158 [inline] [<00000000397258fb>] pskb_copy include/linux/skbuff.h:3124 [inline] [<00000000397258fb>] hwsim_hw_xmit+0x381/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132 [<0000000021524fd4>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline] [<0000000021524fd4>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83 [<00000000a391b8b1>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132 [<00000000ee910b3a>] __netdev_start_xmit include/linux/netdevice.h:4772 [inline] [<00000000ee910b3a>] netdev_start_xmit include/linux/netdevice.h:4786 [inline] [<00000000ee910b3a>] xmit_one net/core/dev.c:3576 [inline] [<00000000ee910b3a>] dev_hard_start_xmit+0x1ba/0x800 net/core/dev.c:3592 [<00000000146257e6>] sch_direct_xmit+0x262/0x770 net/sched/sch_generic.c:336 [<00000000d0698d4e>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<00000000d0698d4e>] __qdisc_run+0x4b3/0x1630 net/sched/sch_generic.c:409 [<0000000088b17344>] qdisc_run include/net/pkt_sched.h:126 [inline] [<0000000088b17344>] qdisc_run include/net/pkt_sched.h:123 [inline] [<0000000088b17344>] __dev_xmit_skb net/core/dev.c:3768 [inline] [<0000000088b17344>] __dev_queue_xmit+0xd9a/0x27f0 net/core/dev.c:4122 [<0000000011576cf9>] dgram_sendmsg+0x93a/0xc50 net/ieee802154/socket.c:682 [<00000000f7694f33>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000f7694f33>] sock_sendmsg+0x150/0x190 net/socket.c:671 [<00000000fd52124d>] ____sys_sendmsg+0x32e/0x860 net/socket.c:2340 [<00000000bf9a44f3>] ___sys_sendmsg+0xff/0x170 net/socket.c:2394 [<000000004d25a36b>] __sys_sendmmsg+0x192/0x460 net/socket.c:2484 BUG: memory leak unreferenced object 0xffff88803a0aad00 (size 96): comm "syz-executor.4", pid 39018, jiffies 4294954082 (age 222.467s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 05 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 05 00 00 00 00 00 00 00 ................ backtrace: [<000000008cc471b5>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<00000000afcfd454>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<0000000039b3f2dc>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<0000000039b3f2dc>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<0000000039b3f2dc>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<0000000083faab8b>] __pskb_copy_fclone+0xec/0xc90 net/core/skbuff.c:1562 [<00000000397258fb>] __pskb_copy include/linux/skbuff.h:1158 [inline] [<00000000397258fb>] pskb_copy include/linux/skbuff.h:3124 [inline] [<00000000397258fb>] hwsim_hw_xmit+0x381/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132 [<0000000021524fd4>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline] [<0000000021524fd4>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83 [<00000000a391b8b1>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132 [<00000000ee910b3a>] __netdev_start_xmit include/linux/netdevice.h:4772 [inline] [<00000000ee910b3a>] netdev_start_xmit include/linux/netdevice.h:4786 [inline] [<00000000ee910b3a>] xmit_one net/core/dev.c:3576 [inline] [<00000000ee910b3a>] dev_hard_start_xmit+0x1ba/0x800 net/core/dev.c:3592 [<00000000146257e6>] sch_direct_xmit+0x262/0x770 net/sched/sch_generic.c:336 [<00000000d0698d4e>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<00000000d0698d4e>] __qdisc_run+0x4b3/0x1630 net/sched/sch_generic.c:409 [<0000000088b17344>] qdisc_run include/net/pkt_sched.h:126 [inline] [<0000000088b17344>] qdisc_run include/net/pkt_sched.h:123 [inline] [<0000000088b17344>] __dev_xmit_skb net/core/dev.c:3768 [inline] [<0000000088b17344>] __dev_queue_xmit+0xd9a/0x27f0 net/core/dev.c:4122 [<0000000011576cf9>] dgram_sendmsg+0x93a/0xc50 net/ieee802154/socket.c:682 [<00000000f7694f33>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000f7694f33>] sock_sendmsg+0x150/0x190 net/socket.c:671 [<00000000fd52124d>] ____sys_sendmsg+0x32e/0x860 net/socket.c:2340 [<00000000bf9a44f3>] ___sys_sendmsg+0xff/0x170 net/socket.c:2394 [<000000004d25a36b>] __sys_sendmmsg+0x192/0x460 net/socket.c:2484 BUG: memory leak unreferenced object 0xffff88801cdfb080 (size 96): comm "syz-executor.4", pid 39018, jiffies 4294954105 (age 222.444s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 05 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000008cc471b5>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<00000000afcfd454>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<0000000039b3f2dc>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<0000000039b3f2dc>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<0000000039b3f2dc>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<0000000083faab8b>] __pskb_copy_fclone+0xec/0xc90 net/core/skbuff.c:1562 [<00000000397258fb>] __pskb_copy include/linux/skbuff.h:1158 [inline] [<00000000397258fb>] pskb_copy include/linux/skbuff.h:3124 [inline] [<00000000397258fb>] hwsim_hw_xmit+0x381/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132 [<0000000021524fd4>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline] [<0000000021524fd4>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83 [<00000000a391b8b1>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132 [<00000000ee910b3a>] __netdev_start_xmit include/linux/netdevice.h:4772 [inline] [<00000000ee910b3a>] netdev_start_xmit include/linux/netdevice.h:4786 [inline] [<00000000ee910b3a>] xmit_one net/core/dev.c:3576 [inline] [<00000000ee910b3a>] dev_hard_start_xmit+0x1ba/0x800 net/core/dev.c:3592 [<00000000146257e6>] sch_direct_xmit+0x262/0x770 net/sched/sch_generic.c:336 [<00000000d0698d4e>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<00000000d0698d4e>] __qdisc_run+0x4b3/0x1630 net/sched/sch_generic.c:409 [<0000000088b17344>] qdisc_run include/net/pkt_sched.h:126 [inline] [<0000000088b17344>] qdisc_run include/net/pkt_sched.h:123 [inline] [<0000000088b17344>] __dev_xmit_skb net/core/dev.c:3768 [inline] [<0000000088b17344>] __dev_queue_xmit+0xd9a/0x27f0 net/core/dev.c:4122 [<0000000011576cf9>] dgram_sendmsg+0x93a/0xc50 net/ieee802154/socket.c:682 [<00000000f7694f33>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000f7694f33>] sock_sendmsg+0x150/0x190 net/socket.c:671 [<00000000fd52124d>] ____sys_sendmsg+0x32e/0x860 net/socket.c:2340 [<00000000bf9a44f3>] ___sys_sendmsg+0xff/0x170 net/socket.c:2394 [<000000004d25a36b>] __sys_sendmmsg+0x192/0x460 net/socket.c:2484 BUG: leak checking failed