shutdown(r0, 0x1) r1 = socket$inet(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000c00)={0x2, 0x4e21, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000140)={0x2, 0x4e21, @local}, 0x10) BUG: memory leak unreferenced object 0xffff888053adda80 (size 96): comm "syz-executor.3", pid 20402, jiffies 4294959795 (age 20.469s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 00 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: [<0000000032769c75>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<0000000020f83a9c>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<00000000eafbdcff>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000eafbdcff>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000eafbdcff>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<00000000ca39077f>] skb_copy+0x12b/0x2e0 net/core/skbuff.c:1522 [<000000004938bfc4>] tcp_send_synack+0x5ab/0x1450 net/ipv4/tcp_output.c:3479 [<00000000c4e7b02e>] tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:6240 [inline] [<00000000c4e7b02e>] tcp_rcv_state_process+0x2293/0x4950 net/ipv4/tcp_input.c:6354 [<00000000552fb954>] tcp_v4_do_rcv+0x320/0x870 net/ipv4/tcp_ipv4.c:1693 [<0000000036483387>] sk_backlog_rcv include/net/sock.h:1010 [inline] [<0000000036483387>] __release_sock+0x139/0x3b0 net/core/sock.c:2525 [<0000000069a84ca6>] release_sock+0x54/0x1b0 net/core/sock.c:3055 [<0000000004e344b9>] inet_wait_for_connect net/ipv4/af_inet.c:594 [inline] [<0000000004e344b9>] __inet_stream_connect+0x57e/0xd40 net/ipv4/af_inet.c:686 [<00000000b53d9e11>] inet_stream_connect+0x53/0xa0 net/ipv4/af_inet.c:725 [<000000002eeb5c46>] __sys_connect_file+0x157/0x1a0 net/socket.c:1839 [<0000000093173635>] __sys_connect+0x161/0x190 net/socket.c:1856 [<000000006753ae30>] __do_sys_connect net/socket.c:1866 [inline] [<000000006753ae30>] __se_sys_connect net/socket.c:1863 [inline] [<000000006753ae30>] __x64_sys_connect+0x6e/0xb0 net/socket.c:1863 [<00000000a0ba3f50>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<00000000ce7483ad>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888053addd00 (size 96): comm "syz-executor.3", pid 20402, jiffies 4294959805 (age 20.460s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 00 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: [<0000000032769c75>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<0000000020f83a9c>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<00000000eafbdcff>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000eafbdcff>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000eafbdcff>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<00000000ca39077f>] skb_copy+0x12b/0x2e0 net/core/skbuff.c:1522 [<000000004938bfc4>] tcp_send_synack+0x5ab/0x1450 net/ipv4/tcp_output.c:3479 [<00000000c4e7b02e>] tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:6240 [inline] [<00000000c4e7b02e>] tcp_rcv_state_process+0x2293/0x4950 net/ipv4/tcp_input.c:6354 [<00000000552fb954>] tcp_v4_do_rcv+0x320/0x870 net/ipv4/tcp_ipv4.c:1693 [<0000000036483387>] sk_backlog_rcv include/net/sock.h:1010 [inline] [<0000000036483387>] __release_sock+0x139/0x3b0 net/core/sock.c:2525 [<0000000069a84ca6>] release_sock+0x54/0x1b0 net/core/sock.c:3055 [<0000000004e344b9>] inet_wait_for_connect net/ipv4/af_inet.c:594 [inline] [<0000000004e344b9>] __inet_stream_connect+0x57e/0xd40 net/ipv4/af_inet.c:686 [<00000000b53d9e11>] inet_stream_connect+0x53/0xa0 net/ipv4/af_inet.c:725 [<000000002eeb5c46>] __sys_connect_file+0x157/0x1a0 net/socket.c:1839 [<0000000093173635>] __sys_connect+0x161/0x190 net/socket.c:1856 [<000000006753ae30>] __do_sys_connect net/socket.c:1866 [inline] [<000000006753ae30>] __se_sys_connect net/socket.c:1863 [inline] [<000000006753ae30>] __x64_sys_connect+0x6e/0xb0 net/socket.c:1863 [<00000000a0ba3f50>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<00000000ce7483ad>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888053adde80 (size 96): comm "syz-executor.3", pid 20409, jiffies 4294959836 (age 20.429s) hex dump (first 32 bytes): 01 00 00 00 00 01 02 00 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: [<0000000032769c75>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 [<0000000020f83a9c>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319 [<00000000eafbdcff>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] [<00000000eafbdcff>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] [<00000000eafbdcff>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 [<00000000ca39077f>] skb_copy+0x12b/0x2e0 net/core/skbuff.c:1522 [<000000004938bfc4>] tcp_send_synack+0x5ab/0x1450 net/ipv4/tcp_output.c:3479 [<00000000c4e7b02e>] tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:6240 [inline] [<00000000c4e7b02e>] tcp_rcv_state_process+0x2293/0x4950 net/ipv4/tcp_input.c:6354 [<00000000552fb954>] tcp_v4_do_rcv+0x320/0x870 net/ipv4/tcp_ipv4.c:1693 [<0000000036483387>] sk_backlog_rcv include/net/sock.h:1010 [inline] [<0000000036483387>] __release_sock+0x139/0x3b0 net/core/sock.c:2525 [<0000000069a84ca6>] release_sock+0x54/0x1b0 net/core/sock.c:3055 [<0000000004e344b9>] inet_wait_for_connect net/ipv4/af_inet.c:594 [inline] [<0000000004e344b9>] __inet_stream_connect+0x57e/0xd40 net/ipv4/af_inet.c:686 [<00000000b53d9e11>] inet_stream_connect+0x53/0xa0 net/ipv4/af_inet.c:725 [<000000002eeb5c46>] __sys_connect_file+0x157/0x1a0 net/socket.c:1839 [<0000000093173635>] __sys_connect+0x161/0x190 net/socket.c:1856 [<000000006753ae30>] __do_sys_connect net/socket.c:1866 [inline] [<000000006753ae30>] __se_sys_connect net/socket.c:1863 [inline] [<000000006753ae30>] __x64_sys_connect+0x6e/0xb0 net/socket.c:1863 [<00000000a0ba3f50>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<00000000ce7483ad>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: leak checking failed