BUG: memory leak unreferenced object 0xffff88801d688780 (size 96): comm "softirq", pid 0, jiffies 4294922317 (age 1605.472s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 03 00 00 00 00 00 00 00 ................ 80 19 ec 00 00 ea ff ff c0 19 ec 00 00 ea ff ff ................ backtrace: [<00000000df3efcd5>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<000000005b78d3cb>] skb_ext_add+0x504/0x670 net/core/skbuff.c:6319 [<00000000a96175be>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000a96175be>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000a96175be>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<000000002e77c868>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<0000000062f914fd>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13c0 drivers/net/wireless/mac80211_hwsim.c:1495 [<00000000c071c5a1>] mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1712 [<00000000a5f532d6>] mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1766 [<00000000beaaa364>] __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 [<00000000cb6907d7>] ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 [<00000000a6820a1c>] mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1789 [<00000000fe9f683a>] __run_hrtimer kernel/time/hrtimer.c:1583 [inline] [<00000000fe9f683a>] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 [<00000000093652c0>] hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 [<00000000b900b606>] __do_softirq+0x1b8/0x867 kernel/softirq.c:298 [<00000000c7794280>] asm_call_irq_on_stack+0x12/0x20 [<00000000653d51f4>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<00000000653d51f4>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<00000000653d51f4>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<0000000033630f5e>] invoke_softirq kernel/softirq.c:393 [inline] [<0000000033630f5e>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<0000000033630f5e>] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 BUG: memory leak unreferenced object 0xffff88806b3b9c80 (size 96): comm "syz-executor.5", pid 563100, jiffies 4296298460 (age 229.460s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 06 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000df3efcd5>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<000000005b78d3cb>] skb_ext_add+0x504/0x670 net/core/skbuff.c:6319 [<00000000a96175be>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000a96175be>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000a96175be>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<000000002e77c868>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<0000000062f914fd>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13c0 drivers/net/wireless/mac80211_hwsim.c:1495 [<00000000d300a364>] mac80211_hwsim_tx+0x574/0x1270 drivers/net/wireless/mac80211_hwsim.c:1599 [<000000007fb79560>] drv_tx net/mac80211/driver-ops.h:35 [inline] [<000000007fb79560>] ieee80211_tx_frags+0x598/0x9f0 net/mac80211/tx.c:1698 [<0000000047f5987a>] __ieee80211_tx+0x1ad/0x610 net/mac80211/tx.c:1754 [<000000002416789c>] ieee80211_tx+0x325/0x410 net/mac80211/tx.c:1937 [<00000000e0c7eea2>] ieee80211_xmit+0x220/0x2a0 net/mac80211/tx.c:2030 [<00000000c03a56c5>] __ieee80211_subif_start_xmit+0x752/0xc40 net/mac80211/tx.c:4060 [<000000008ae5281b>] ieee80211_subif_start_xmit+0xef/0xf30 net/mac80211/tx.c:4196 [<000000003221c500>] __netdev_start_xmit include/linux/netdevice.h:4784 [inline] [<000000003221c500>] netdev_start_xmit include/linux/netdevice.h:4798 [inline] [<000000003221c500>] xmit_one net/core/dev.c:3584 [inline] [<000000003221c500>] dev_hard_start_xmit+0x1cb/0x840 net/core/dev.c:3600 [<00000000a2688b75>] sch_direct_xmit+0x25b/0x790 net/sched/sch_generic.c:336 [<000000006c1f2e72>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<000000006c1f2e72>] __qdisc_run+0x4aa/0x1610 net/sched/sch_generic.c:409 [<00000000de4b73a2>] qdisc_run include/net/pkt_sched.h:127 [inline] [<00000000de4b73a2>] qdisc_run include/net/pkt_sched.h:124 [inline] [<00000000de4b73a2>] __dev_xmit_skb net/core/dev.c:3776 [inline] [<00000000de4b73a2>] __dev_queue_xmit+0xd95/0x27e0 net/core/dev.c:4131 BUG: memory leak unreferenced object 0xffff88806061ed00 (size 96): comm "syz-executor.5", pid 563100, jiffies 4296298737 (age 229.184s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 06 00 00 00 00 00 00 00 ................ c0 10 bc 00 00 ea ff ff c0 98 34 00 00 ea ff ff ..........4..... backtrace: [<00000000df3efcd5>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<000000005b78d3cb>] skb_ext_add+0x504/0x670 net/core/skbuff.c:6319 [<00000000a96175be>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000a96175be>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000a96175be>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<000000002e77c868>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<0000000062f914fd>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13c0 drivers/net/wireless/mac80211_hwsim.c:1495 [<00000000d300a364>] mac80211_hwsim_tx+0x574/0x1270 drivers/net/wireless/mac80211_hwsim.c:1599 [<000000007fb79560>] drv_tx net/mac80211/driver-ops.h:35 [inline] [<000000007fb79560>] ieee80211_tx_frags+0x598/0x9f0 net/mac80211/tx.c:1698 [<0000000047f5987a>] __ieee80211_tx+0x1ad/0x610 net/mac80211/tx.c:1754 [<000000002416789c>] ieee80211_tx+0x325/0x410 net/mac80211/tx.c:1937 [<00000000e0c7eea2>] ieee80211_xmit+0x220/0x2a0 net/mac80211/tx.c:2030 [<00000000c03a56c5>] __ieee80211_subif_start_xmit+0x752/0xc40 net/mac80211/tx.c:4060 [<000000008ae5281b>] ieee80211_subif_start_xmit+0xef/0xf30 net/mac80211/tx.c:4196 [<000000003221c500>] __netdev_start_xmit include/linux/netdevice.h:4784 [inline] [<000000003221c500>] netdev_start_xmit include/linux/netdevice.h:4798 [inline] [<000000003221c500>] xmit_one net/core/dev.c:3584 [inline] [<000000003221c500>] dev_hard_start_xmit+0x1cb/0x840 net/core/dev.c:3600 [<00000000a2688b75>] sch_direct_xmit+0x25b/0x790 net/sched/sch_generic.c:336 [<000000006c1f2e72>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<000000006c1f2e72>] __qdisc_run+0x4aa/0x1610 net/sched/sch_generic.c:409 [<00000000de4b73a2>] qdisc_run include/net/pkt_sched.h:127 [inline] [<00000000de4b73a2>] qdisc_run include/net/pkt_sched.h:124 [inline] [<00000000de4b73a2>] __dev_xmit_skb net/core/dev.c:3776 [inline] [<00000000de4b73a2>] __dev_queue_xmit+0xd95/0x27e0 net/core/dev.c:4131 BUG: leak checking failed