executing program executing program executing program BUG: memory leak unreferenced object 0xffff88811f7dce00 (size 224): comm "syz-executor331", pid 6870, jiffies 4294942463 (age 13.620s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 70 82 2a 81 88 ff ff 00 a0 f2 1d 81 88 ff ff .p.*............ backtrace: [<0000000089e75ba7>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000089e75ba7>] slab_post_alloc_hook mm/slab.h:586 [inline] [<0000000089e75ba7>] slab_alloc_node mm/slab.c:3262 [inline] [<0000000089e75ba7>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3574 [<00000000a76e6f65>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000740eeec8>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000740eeec8>] llc_alloc_frame+0x66/0x110 net/llc/llc_sap.c:54 [<00000000009812e5>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 net/llc/llc_c_ac.c:777 [<00000000eecb3673>] llc_exec_conn_trans_actions net/llc/llc_conn.c:475 [inline] [<00000000eecb3673>] llc_conn_service net/llc/llc_conn.c:400 [inline] [<00000000eecb3673>] llc_conn_state_process+0x1ac/0x640 net/llc/llc_conn.c:75 [<000000001442b613>] llc_establish_connection+0x110/0x170 net/llc/llc_if.c:109 [<00000000c077c1c5>] llc_ui_connect+0x10e/0x370 net/llc/af_llc.c:477 [<000000005e1bd643>] __sys_connect+0x11d/0x170 net/socket.c:1828 [<000000000a0cbdc2>] __do_sys_connect net/socket.c:1839 [inline] [<000000000a0cbdc2>] __se_sys_connect net/socket.c:1836 [inline] [<000000000a0cbdc2>] __x64_sys_connect+0x1e/0x30 net/socket.c:1836 [<0000000032eaf385>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<00000000784c1b01>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811dd00e00 (size 512): comm "syz-executor331", pid 6870, jiffies 4294942463 (age 13.620s) hex dump (first 32 bytes): 00 00 00 00 00 00 ea 62 4c 2c 7a a4 00 03 00 c2 .......bL,z..... 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e7d34a2f>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000e7d34a2f>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000e7d34a2f>] slab_alloc_node mm/slab.c:3262 [inline] [<00000000e7d34a2f>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3592 [<00000000571e6c4b>] __do_kmalloc_node mm/slab.c:3614 [inline] [<00000000571e6c4b>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3629 [<000000005cebb101>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000707ccd18>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000740eeec8>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000740eeec8>] llc_alloc_frame+0x66/0x110 net/llc/llc_sap.c:54 [<00000000009812e5>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 net/llc/llc_c_ac.c:777 [<00000000eecb3673>] llc_exec_conn_trans_actions net/llc/llc_conn.c:475 [inline] [<00000000eecb3673>] llc_conn_service net/llc/llc_conn.c:400 [inline] [<00000000eecb3673>] llc_conn_state_process+0x1ac/0x640 net/llc/llc_conn.c:75 [<000000001442b613>] llc_establish_connection+0x110/0x170 net/llc/llc_if.c:109 [<00000000c077c1c5>] llc_ui_connect+0x10e/0x370 net/llc/af_llc.c:477 [<000000005e1bd643>] __sys_connect+0x11d/0x170 net/socket.c:1828 [<000000000a0cbdc2>] __do_sys_connect net/socket.c:1839 [inline] [<000000000a0cbdc2>] __se_sys_connect net/socket.c:1836 [inline] [<000000000a0cbdc2>] __x64_sys_connect+0x1e/0x30 net/socket.c:1836 [<0000000032eaf385>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<00000000784c1b01>] entry_SYSCALL_64_after_hwframe+0x44/0xa9