BUG: memory leak unreferenced object 0xffff888008db4000 (size 96): comm "softirq", pid 0, jiffies 4294755476 (age 372.867s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 08 00 00 00 00 00 00 00 ................ ff ff ff ff ff ff ff ff 20 ae 8d 86 ff ff ff ff ........ ....... backtrace: [<00000000dd26dd7a>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<000000007747e1e3>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<00000000008ed90f>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000008ed90f>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000008ed90f>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<000000003b1c3291>] skb_copy+0x12b/0x2e0 net/core/skbuff.c:1522 [<00000000099008d7>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb3e/0x1370 drivers/net/wireless/mac80211_hwsim.c:1495 [<0000000068bdd96f>] mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1712 [<000000001f9b0dd1>] mac80211_hwsim_beacon_tx+0x49d/0x900 drivers/net/wireless/mac80211_hwsim.c:1766 [<0000000046cc7083>] __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 [<00000000ca62ce85>] ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 [<00000000d9b9d9d6>] mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1789 [<0000000040a2902e>] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [<0000000040a2902e>] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1601 [<00000000abee0eda>] hrtimer_run_softirq+0x148/0x300 kernel/time/hrtimer.c:1618 [<00000000ad4cf03e>] __do_softirq+0x1b6/0x86a kernel/softirq.c:298 [<0000000049d99cfe>] asm_call_irq_on_stack+0x12/0x20 [<000000005ed69bf9>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<000000005ed69bf9>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<000000005ed69bf9>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000cc4dc104>] invoke_softirq kernel/softirq.c:393 [inline] [<00000000cc4dc104>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<00000000cc4dc104>] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 BUG: memory leak unreferenced object 0xffff888008db4280 (size 96): comm "syz-executor.5", pid 15809, jiffies 4294867515 (age 260.857s) 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: [<00000000dd26dd7a>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<000000007747e1e3>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<00000000008ed90f>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000008ed90f>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000008ed90f>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<00000000a7e3ab67>] __pskb_copy_fclone+0xec/0xc90 net/core/skbuff.c:1562 [<000000003775810d>] __pskb_copy include/linux/skbuff.h:1158 [inline] [<000000003775810d>] pskb_copy include/linux/skbuff.h:3124 [inline] [<000000003775810d>] hwsim_hw_xmit+0x381/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132 [<0000000044f01aa4>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline] [<0000000044f01aa4>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83 [<00000000af629a95>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132 [<00000000662ebda2>] __netdev_start_xmit include/linux/netdevice.h:4772 [inline] [<00000000662ebda2>] netdev_start_xmit include/linux/netdevice.h:4786 [inline] [<00000000662ebda2>] xmit_one net/core/dev.c:3576 [inline] [<00000000662ebda2>] dev_hard_start_xmit+0x1ba/0x800 net/core/dev.c:3592 [<000000004646e038>] sch_direct_xmit+0x262/0x770 net/sched/sch_generic.c:336 [<0000000082b40bed>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<0000000082b40bed>] __qdisc_run+0x4b3/0x1630 net/sched/sch_generic.c:409 [<00000000e5c1d0ee>] qdisc_run include/net/pkt_sched.h:126 [inline] [<00000000e5c1d0ee>] qdisc_run include/net/pkt_sched.h:123 [inline] [<00000000e5c1d0ee>] __dev_xmit_skb net/core/dev.c:3768 [inline] [<00000000e5c1d0ee>] __dev_queue_xmit+0xd9a/0x27f0 net/core/dev.c:4122 [<00000000a31600ff>] dgram_sendmsg+0x93a/0xc50 net/ieee802154/socket.c:682 [<00000000f99bc011>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000f99bc011>] sock_sendmsg+0x150/0x190 net/socket.c:671 [<000000006a269035>] ____sys_sendmsg+0x32e/0x860 net/socket.c:2340 [<000000002ef3f6f2>] ___sys_sendmsg+0xff/0x170 net/socket.c:2394 [<00000000c7bc3083>] __sys_sendmmsg+0x192/0x460 net/socket.c:2484 BUG: memory leak unreferenced object 0xffff888042792500 (size 96): comm "syz-executor.5", pid 15809, jiffies 4294867552 (age 260.820s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 06 00 00 00 00 00 00 00 ................ 80 aa e6 00 00 ea ff ff c0 aa e6 00 00 ea ff ff ................ backtrace: [<00000000dd26dd7a>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<000000007747e1e3>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<00000000008ed90f>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000008ed90f>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000008ed90f>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<00000000a7e3ab67>] __pskb_copy_fclone+0xec/0xc90 net/core/skbuff.c:1562 [<000000003775810d>] __pskb_copy include/linux/skbuff.h:1158 [inline] [<000000003775810d>] pskb_copy include/linux/skbuff.h:3124 [inline] [<000000003775810d>] hwsim_hw_xmit+0x381/0x6b0 drivers/net/ieee802154/mac802154_hwsim.c:132 [<0000000044f01aa4>] drv_xmit_async net/mac802154/driver-ops.h:16 [inline] [<0000000044f01aa4>] ieee802154_tx+0x2ab/0x470 net/mac802154/tx.c:83 [<00000000af629a95>] ieee802154_subif_start_xmit+0xbe/0xf0 net/mac802154/tx.c:132 [<00000000662ebda2>] __netdev_start_xmit include/linux/netdevice.h:4772 [inline] [<00000000662ebda2>] netdev_start_xmit include/linux/netdevice.h:4786 [inline] [<00000000662ebda2>] xmit_one net/core/dev.c:3576 [inline] [<00000000662ebda2>] dev_hard_start_xmit+0x1ba/0x800 net/core/dev.c:3592 [<000000004646e038>] sch_direct_xmit+0x262/0x770 net/sched/sch_generic.c:336 [<0000000082b40bed>] qdisc_restart net/sched/sch_generic.c:401 [inline] [<0000000082b40bed>] __qdisc_run+0x4b3/0x1630 net/sched/sch_generic.c:409 [<00000000e5c1d0ee>] qdisc_run include/net/pkt_sched.h:126 [inline] [<00000000e5c1d0ee>] qdisc_run include/net/pkt_sched.h:123 [inline] [<00000000e5c1d0ee>] __dev_xmit_skb net/core/dev.c:3768 [inline] [<00000000e5c1d0ee>] __dev_queue_xmit+0xd9a/0x27f0 net/core/dev.c:4122 [<00000000a31600ff>] dgram_sendmsg+0x93a/0xc50 net/ieee802154/socket.c:682 [<00000000f99bc011>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000f99bc011>] sock_sendmsg+0x150/0x190 net/socket.c:671 [<000000006a269035>] ____sys_sendmsg+0x32e/0x860 net/socket.c:2340 [<000000002ef3f6f2>] ___sys_sendmsg+0xff/0x170 net/socket.c:2394 [<00000000c7bc3083>] __sys_sendmmsg+0x192/0x460 net/socket.c:2484 BUG: leak checking failed