BUG: memory leak unreferenced object 0xffff88801cc79180 (size 96): comm "syz-executor.5", pid 258770, jiffies 4295426958 (age 27.131s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 ff 06 00 00 00 00 00 00 00 ................ 80 92 dc 00 00 ea ff ff c0 92 dc 00 00 ea ff ff ................ backtrace: [<00000000bf6fb830>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<00000000c51b9ca4>] skb_ext_add+0x504/0x670 net/core/skbuff.c:6319 [<00000000eb626263>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000eb626263>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000eb626263>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<0000000056b65c99>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<000000001ca1410c>] tcp_send_synack+0x5b0/0x1450 net/ipv4/tcp_output.c:3479 [<0000000025e38906>] tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:6240 [inline] [<0000000025e38906>] tcp_rcv_state_process+0x23d8/0x4aa0 net/ipv4/tcp_input.c:6354 [<00000000e2eff7a7>] tcp_v6_do_rcv+0x7b0/0x1290 net/ipv6/tcp_ipv6.c:1522 [<0000000065fefd49>] sk_backlog_rcv include/net/sock.h:1012 [inline] [<0000000065fefd49>] __release_sock+0x139/0x3b0 net/core/sock.c:2540 [<00000000357afd7f>] release_sock+0x54/0x1b0 net/core/sock.c:3072 [<00000000ccf6166f>] inet_wait_for_connect net/ipv4/af_inet.c:594 [inline] [<00000000ccf6166f>] __inet_stream_connect+0x57e/0xd50 net/ipv4/af_inet.c:686 [<00000000e3d93c53>] inet_stream_connect+0x53/0xa0 net/ipv4/af_inet.c:725 [<000000005ce6cb5a>] __sys_connect_file+0x157/0x1a0 net/socket.c:1841 [<000000007994e08d>] __sys_connect+0x161/0x190 net/socket.c:1858 [<000000008497345f>] __do_sys_connect net/socket.c:1868 [inline] [<000000008497345f>] __se_sys_connect net/socket.c:1865 [inline] [<000000008497345f>] __x64_sys_connect+0x6f/0xb0 net/socket.c:1865 [<000000000ba295e2>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<00000000ba6ab738>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88800ca03400 (size 96): comm "softirq", pid 0, jiffies 4295427108 (age 26.982s) 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: [<00000000bf6fb830>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<00000000c51b9ca4>] skb_ext_add+0x504/0x670 net/core/skbuff.c:6319 [<00000000eb626263>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000eb626263>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000eb626263>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<0000000056b65c99>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<000000001d691055>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13c0 drivers/net/wireless/mac80211_hwsim.c:1495 [<0000000025a4a0ac>] mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1712 [<00000000f4e29e50>] mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1766 [<00000000a675e648>] __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 [<000000003477d36b>] ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 [<0000000079048ae8>] mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1789 [<000000002e611fdc>] __run_hrtimer kernel/time/hrtimer.c:1583 [inline] [<000000002e611fdc>] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 [<00000000a6fd9bba>] hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 [<00000000a71625f5>] __do_softirq+0x1b8/0x867 kernel/softirq.c:298 [<000000001f3ef1cf>] asm_call_irq_on_stack+0x12/0x20 [<000000001a372160>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<000000001a372160>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<000000001a372160>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000f4642870>] invoke_softirq kernel/softirq.c:393 [inline] [<00000000f4642870>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<00000000f4642870>] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 BUG: memory leak unreferenced object 0xffff88800ca03c00 (size 96): comm "softirq", pid 0, jiffies 4295427109 (age 26.981s) 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: [<00000000bf6fb830>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<00000000c51b9ca4>] skb_ext_add+0x504/0x670 net/core/skbuff.c:6319 [<00000000eb626263>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000eb626263>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000eb626263>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<0000000056b65c99>] skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 [<000000001d691055>] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13c0 drivers/net/wireless/mac80211_hwsim.c:1495 [<0000000025a4a0ac>] mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1712 [<00000000f4e29e50>] mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1766 [<00000000a675e648>] __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 [<000000003477d36b>] ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 [<0000000079048ae8>] mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1789 [<000000002e611fdc>] __run_hrtimer kernel/time/hrtimer.c:1583 [inline] [<000000002e611fdc>] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 [<00000000a6fd9bba>] hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 [<00000000a71625f5>] __do_softirq+0x1b8/0x867 kernel/softirq.c:298 [<000000001f3ef1cf>] asm_call_irq_on_stack+0x12/0x20 [<000000001a372160>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<000000001a372160>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<000000001a372160>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000f4642870>] invoke_softirq kernel/softirq.c:393 [inline] [<00000000f4642870>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<00000000f4642870>] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 BUG: leak checking failed