syz_emit_ethernet(0x36, &(0x7f0000000100)={@local, @local, @void, {@ipv4={0x800, @dccp={{0x6, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x21, 0x0, @private=0xa010102, @dev, {[@lsrr={0x83, 0x3}]}}, {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8e3d1b", 0x0, '6!='}}}}}}, 0x0) BUG: memory leak unreferenced object 0xffff88802ec1ee80 (size 96): comm "softirq", pid 0, jiffies 4296211954 (age 971.584s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 01 00 00 00 00 00 00 00 ................ 00 03 00 00 01 00 00 00 80 35 1b 46 80 88 ff ff .........5.F.... backtrace: [<000000008e701c82>] __skb_ext_alloc+0x19/0x90 net/core/skbuff.c:6225 [<00000000c34224d0>] skb_ext_add+0x508/0x670 net/core/skbuff.c:6320 [<00000000133faa44>] skb_set_kcov_handle include/linux/skbuff.h:4632 [inline] [<00000000133faa44>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000133faa44>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<000000001628cd0b>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<00000000a96760d3>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1499 [<0000000047e467ec>] mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 [<00000000f301dc0b>] mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1770 [<00000000f6820638>] __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 [<00000000874f97c4>] ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 [<0000000004809c6d>] mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 [<00000000f484eb00>] __run_hrtimer kernel/time/hrtimer.c:1583 [inline] [<00000000f484eb00>] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 [<00000000cf9d97f8>] hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 [<00000000cda2b7e1>] __do_softirq+0x1b8/0x86b kernel/softirq.c:298 [<000000009bfe19af>] asm_call_irq_on_stack+0x12/0x20 [<00000000c226075d>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<00000000c226075d>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<00000000c226075d>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000c100b3b0>] invoke_softirq kernel/softirq.c:393 [inline] [<00000000c100b3b0>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<00000000c100b3b0>] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 BUG: memory leak unreferenced object 0xffff888058b74200 (size 96): comm "softirq", pid 0, jiffies 4296851238 (age 332.347s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 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: [<000000008e701c82>] __skb_ext_alloc+0x19/0x90 net/core/skbuff.c:6225 [<00000000c34224d0>] skb_ext_add+0x508/0x670 net/core/skbuff.c:6320 [<00000000133faa44>] skb_set_kcov_handle include/linux/skbuff.h:4632 [inline] [<00000000133faa44>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000133faa44>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<000000001628cd0b>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<00000000a96760d3>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1499 [<0000000047e467ec>] mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 [<00000000f301dc0b>] mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1770 [<00000000f6820638>] __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 [<00000000874f97c4>] ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 [<0000000004809c6d>] mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 [<00000000f484eb00>] __run_hrtimer kernel/time/hrtimer.c:1583 [inline] [<00000000f484eb00>] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 [<00000000cf9d97f8>] hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 [<00000000cda2b7e1>] __do_softirq+0x1b8/0x86b kernel/softirq.c:298 [<000000009bfe19af>] asm_call_irq_on_stack+0x12/0x20 [<00000000c226075d>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<00000000c226075d>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<00000000c226075d>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000c100b3b0>] invoke_softirq kernel/softirq.c:393 [inline] [<00000000c100b3b0>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<00000000c100b3b0>] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 BUG: memory leak unreferenced object 0xffff888058b74180 (size 96): comm "syz-executor.3", pid 747178, jiffies 4296858964 (age 324.621s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 04 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000008e701c82>] __skb_ext_alloc+0x19/0x90 net/core/skbuff.c:6225 [<00000000c34224d0>] skb_ext_add+0x508/0x670 net/core/skbuff.c:6320 [<00000000133faa44>] skb_set_kcov_handle include/linux/skbuff.h:4632 [inline] [<00000000133faa44>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000133faa44>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<000000004c14f5a9>] __pskb_copy_fclone+0xf8/0xca0 net/core/skbuff.c:1562 [<000000006ed064c6>] __pskb_copy include/linux/skbuff.h:1160 [inline] [<000000006ed064c6>] pskb_copy include/linux/skbuff.h:3134 [inline] [<000000006ed064c6>] hwsim_hw_xmit+0x386/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132 [<0000000064075260>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline] [<0000000064075260>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83 [<000000006f846fb2>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132 [<00000000de238007>] __netdev_start_xmit include/linux/netdevice.h:4792 [inline] [<00000000de238007>] netdev_start_xmit include/linux/netdevice.h:4806 [inline] [<00000000de238007>] xmit_one net/core/dev.c:3588 [inline] [<00000000de238007>] dev_hard_start_xmit+0x1cb/0x840 net/core/dev.c:3604 [<000000008b47d5ba>] sch_direct_xmit+0x25f/0x790 net/sched/sch_generic.c:336 [<00000000cf1f4ded>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<00000000cf1f4ded>] __qdisc_run+0x4aa/0x1610 net/sched/sch_generic.c:409 [<00000000d6be871d>] qdisc_run include/net/pkt_sched.h:127 [inline] [<00000000d6be871d>] qdisc_run include/net/pkt_sched.h:124 [inline] [<00000000d6be871d>] __dev_xmit_skb net/core/dev.c:3780 [inline] [<00000000d6be871d>] __dev_queue_xmit+0xd99/0x2730 net/core/dev.c:4136 [<00000000d8ea51cd>] dgram_sendmsg+0xad4/0xdf0 net/ieee802154/socket.c:692 [<00000000af002f15>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000af002f15>] sock_sendmsg+0x154/0x190 net/socket.c:671 [<000000008b032959>] ____sys_sendmsg+0x334/0x870 net/socket.c:2342 [<000000004c4f88d5>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2396 [<000000000ec0ef1d>] __sys_sendmmsg+0x195/0x470 net/socket.c:2486 BUG: leak checking failed