BUG: memory leak unreferenced object 0xffff88801aa8f880 (size 96): comm "syz-executor.3", pid 6350, jiffies 4294820901 (age 354.343s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 00 04 00 00 00 00 00 00 00 ................ 01 00 00 00 00 00 00 00 84 0c 00 00 00 00 00 00 ................ backtrace: [<00000000a5a4002a>] __skb_ext_alloc+0x19/0x90 net/core/skbuff.c:6223 [<0000000042c70a8f>] skb_ext_add+0x508/0x670 net/core/skbuff.c:6318 [<00000000cb9e446f>] skb_set_kcov_handle include/linux/skbuff.h:4632 [inline] [<00000000cb9e446f>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000cb9e446f>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<0000000073b0f583>] __pskb_copy_fclone+0xf8/0xca0 net/core/skbuff.c:1562 [<00000000cc5ed0cb>] __pskb_copy include/linux/skbuff.h:1160 [inline] [<00000000cc5ed0cb>] pskb_copy include/linux/skbuff.h:3134 [inline] [<00000000cc5ed0cb>] hwsim_hw_xmit+0x386/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132 [<000000002339f389>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline] [<000000002339f389>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83 [<0000000012d16aff>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132 [<0000000065b46fb5>] __netdev_start_xmit include/linux/netdevice.h:4792 [inline] [<0000000065b46fb5>] netdev_start_xmit include/linux/netdevice.h:4806 [inline] [<0000000065b46fb5>] xmit_one net/core/dev.c:3588 [inline] [<0000000065b46fb5>] dev_hard_start_xmit+0x1cb/0x840 net/core/dev.c:3604 [<000000005aa41ca4>] sch_direct_xmit+0x25f/0x790 net/sched/sch_generic.c:336 [<00000000b6cd1c5e>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<00000000b6cd1c5e>] __qdisc_run+0x4aa/0x1610 net/sched/sch_generic.c:409 [<000000001ed47578>] qdisc_run include/net/pkt_sched.h:127 [inline] [<000000001ed47578>] qdisc_run include/net/pkt_sched.h:124 [inline] [<000000001ed47578>] __dev_xmit_skb net/core/dev.c:3780 [inline] [<000000001ed47578>] __dev_queue_xmit+0xd99/0x2730 net/core/dev.c:4136 [<0000000089a38445>] dgram_sendmsg+0xad4/0xdf0 net/ieee802154/socket.c:690 [<00000000851ea36b>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000851ea36b>] sock_sendmsg+0x154/0x190 net/socket.c:671 [<0000000063882762>] ____sys_sendmsg+0x334/0x870 net/socket.c:2342 [<00000000bb6edddf>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2396 [<0000000057d1d67b>] __sys_sendmmsg+0x195/0x470 net/socket.c:2486 BUG: memory leak unreferenced object 0xffff88801aa8f980 (size 96): comm "syz-executor.3", pid 6350, jiffies 4294820901 (age 354.343s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 00 04 00 00 00 00 00 00 00 ................ 80 4c f5 17 80 88 ff ff 46 00 00 00 00 00 00 00 .L......F....... backtrace: [<00000000a5a4002a>] __skb_ext_alloc+0x19/0x90 net/core/skbuff.c:6223 [<0000000042c70a8f>] skb_ext_add+0x508/0x670 net/core/skbuff.c:6318 [<00000000cb9e446f>] skb_set_kcov_handle include/linux/skbuff.h:4632 [inline] [<00000000cb9e446f>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000cb9e446f>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<0000000073b0f583>] __pskb_copy_fclone+0xf8/0xca0 net/core/skbuff.c:1562 [<00000000cc5ed0cb>] __pskb_copy include/linux/skbuff.h:1160 [inline] [<00000000cc5ed0cb>] pskb_copy include/linux/skbuff.h:3134 [inline] [<00000000cc5ed0cb>] hwsim_hw_xmit+0x386/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132 [<000000002339f389>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline] [<000000002339f389>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83 [<0000000012d16aff>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132 [<0000000065b46fb5>] __netdev_start_xmit include/linux/netdevice.h:4792 [inline] [<0000000065b46fb5>] netdev_start_xmit include/linux/netdevice.h:4806 [inline] [<0000000065b46fb5>] xmit_one net/core/dev.c:3588 [inline] [<0000000065b46fb5>] dev_hard_start_xmit+0x1cb/0x840 net/core/dev.c:3604 [<000000005aa41ca4>] sch_direct_xmit+0x25f/0x790 net/sched/sch_generic.c:336 [<00000000b6cd1c5e>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<00000000b6cd1c5e>] __qdisc_run+0x4aa/0x1610 net/sched/sch_generic.c:409 [<000000001ed47578>] qdisc_run include/net/pkt_sched.h:127 [inline] [<000000001ed47578>] qdisc_run include/net/pkt_sched.h:124 [inline] [<000000001ed47578>] __dev_xmit_skb net/core/dev.c:3780 [inline] [<000000001ed47578>] __dev_queue_xmit+0xd99/0x2730 net/core/dev.c:4136 [<0000000089a38445>] dgram_sendmsg+0xad4/0xdf0 net/ieee802154/socket.c:690 [<00000000851ea36b>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000851ea36b>] sock_sendmsg+0x154/0x190 net/socket.c:671 [<0000000063882762>] ____sys_sendmsg+0x334/0x870 net/socket.c:2342 [<00000000bb6edddf>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2396 [<0000000057d1d67b>] __sys_sendmmsg+0x195/0x470 net/socket.c:2486 BUG: memory leak unreferenced object 0xffff88801aa8f900 (size 96): comm "softirq", pid 0, jiffies 4294828208 (age 347.044s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 02 00 00 00 00 00 00 00 ................ a7 09 a5 00 00 00 00 00 f4 7c e3 6c 80 88 ff ff .........|.l.... backtrace: [<00000000a5a4002a>] __skb_ext_alloc+0x19/0x90 net/core/skbuff.c:6223 [<0000000042c70a8f>] skb_ext_add+0x508/0x670 net/core/skbuff.c:6318 [<00000000cb9e446f>] skb_set_kcov_handle include/linux/skbuff.h:4632 [inline] [<00000000cb9e446f>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000cb9e446f>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<000000008950f765>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<000000007737949e>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1494 [<00000000fcb15a21>] mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1711 [<00000000590a7979>] mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1765 [<000000002e80cca5>] __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 [<00000000131dad15>] ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 [<0000000009c2ab87>] mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1788 [<0000000079b31e46>] __run_hrtimer kernel/time/hrtimer.c:1583 [inline] [<0000000079b31e46>] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 [<0000000072c1c135>] hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 [<000000008df1e45b>] __do_softirq+0x1b8/0x86b kernel/softirq.c:298 [<00000000cec0b5b6>] asm_call_irq_on_stack+0x12/0x20 [<0000000049ad7d68>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<0000000049ad7d68>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<0000000049ad7d68>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000d1109e75>] do_softirq kernel/softirq.c:343 [inline] [<00000000d1109e75>] do_softirq+0x91/0xc0 kernel/softirq.c:330 BUG: leak checking failed