BUG: memory leak unreferenced object 0xffff88803f36b000 (size 96): comm "softirq", pid 0, jiffies 4295094252 (age 22.540s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000004a189683>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<0000000048412fb5>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<00000000ead67e12>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000ead67e12>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000ead67e12>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<00000000bb0ee73a>] skb_copy+0x12b/0x2e0 net/core/skbuff.c:1522 [<000000006827a688>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb3e/0x1370 drivers/net/wireless/mac80211_hwsim.c:1495 [<000000008946bd49>] mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1712 [<000000004d62b922>] mac80211_hwsim_beacon_tx+0x49d/0x900 drivers/net/wireless/mac80211_hwsim.c:1766 [<00000000c24dfac9>] __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 [<000000006d378b99>] ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 [<00000000951d0f24>] mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1789 [<00000000ead1ffd5>] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [<00000000ead1ffd5>] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1601 [<000000006e35ccd5>] hrtimer_run_softirq+0x148/0x300 kernel/time/hrtimer.c:1618 [<0000000029301a5a>] __do_softirq+0x1b6/0x86a kernel/softirq.c:298 [<000000001a57ca65>] asm_call_irq_on_stack+0x12/0x20 [<000000009bcb339d>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<000000009bcb339d>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<000000009bcb339d>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<0000000001b69a87>] invoke_softirq kernel/softirq.c:393 [inline] [<0000000001b69a87>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<0000000001b69a87>] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 BUG: leak checking failed