executing program BUG: memory leak unreferenced object 0xffff888121efd500 (size 224): comm "syz-executor680", pid 6790, jiffies 4294944429 (age 10.700s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 c0 a3 2a 81 88 ff ff 00 00 00 00 00 00 00 00 ...*............ backtrace: [<000000006480b63e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000006480b63e>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000006480b63e>] slab_alloc_node mm/slab.c:3262 [inline] [<000000006480b63e>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3574 [<00000000c6cc5460>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<000000000f05a2be>] alloc_skb include/linux/skbuff.h:1049 [inline] [<000000000f05a2be>] llc_alloc_frame+0x66/0x110 net/llc/llc_sap.c:54 [<000000006bc69d8b>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 net/llc/llc_c_ac.c:777 [<0000000017cf7266>] llc_exec_conn_trans_actions net/llc/llc_conn.c:475 [inline] [<0000000017cf7266>] llc_conn_service net/llc/llc_conn.c:400 [inline] [<0000000017cf7266>] llc_conn_state_process+0x1ac/0x640 net/llc/llc_conn.c:75 [<00000000f645a03c>] llc_establish_connection+0x110/0x170 net/llc/llc_if.c:109 [<00000000fb26c9d7>] llc_ui_connect+0x10e/0x370 net/llc/af_llc.c:477 [<00000000296364e6>] __sys_connect+0x11d/0x170 net/socket.c:1828 [<000000009b7ae5eb>] __do_sys_connect net/socket.c:1839 [inline] [<000000009b7ae5eb>] __se_sys_connect net/socket.c:1836 [inline] [<000000009b7ae5eb>] __x64_sys_connect+0x1e/0x30 net/socket.c:1836 [<00000000b71bdb6f>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<00000000dd01e59a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811ebde400 (size 512): comm "syz-executor680", pid 6790, jiffies 4294944429 (age 10.700s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 03 00 c0 ................ 7f 3a 31 34 23 20 70 72 6f 66 69 6c 65 3d 30 20 .:14# profile=0 backtrace: [<00000000cb6f5610>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000cb6f5610>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000cb6f5610>] slab_alloc_node mm/slab.c:3262 [inline] [<00000000cb6f5610>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3592 [<000000006f9e7a10>] __do_kmalloc_node mm/slab.c:3614 [inline] [<000000006f9e7a10>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3629 [<00000000d2e6b9be>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000057f0c7c>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<000000000f05a2be>] alloc_skb include/linux/skbuff.h:1049 [inline] [<000000000f05a2be>] llc_alloc_frame+0x66/0x110 net/llc/llc_sap.c:54 [<000000006bc69d8b>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 net/llc/llc_c_ac.c:777 [<0000000017cf7266>] llc_exec_conn_trans_actions net/llc/llc_conn.c:475 [inline] [<0000000017cf7266>] llc_conn_service net/llc/llc_conn.c:400 [inline] [<0000000017cf7266>] llc_conn_state_process+0x1ac/0x640 net/llc/llc_conn.c:75 [<00000000f645a03c>] llc_establish_connection+0x110/0x170 net/llc/llc_if.c:109 [<00000000fb26c9d7>] llc_ui_connect+0x10e/0x370 net/llc/af_llc.c:477 [<00000000296364e6>] __sys_connect+0x11d/0x170 net/socket.c:1828 [<000000009b7ae5eb>] __do_sys_connect net/socket.c:1839 [inline] [<000000009b7ae5eb>] __se_sys_connect net/socket.c:1836 [inline] [<000000009b7ae5eb>] __x64_sys_connect+0x1e/0x30 net/socket.c:1836 [<00000000b71bdb6f>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<00000000dd01e59a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888121efd300 (size 224): comm "softirq", pid 0, jiffies 4294944536 (age 9.630s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 c0 a3 2a 81 88 ff ff 00 00 00 00 00 00 00 00 ...*............ backtrace: [<000000006480b63e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000006480b63e>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000006480b63e>] slab_alloc_node mm/slab.c:3262 [inline] [<000000006480b63e>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3574 [<00000000c6cc5460>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<000000000f05a2be>] alloc_skb include/linux/skbuff.h:1049 [inline] [<000000000f05a2be>] llc_alloc_frame+0x66/0x110 net/llc/llc_sap.c:54 [<000000006bc69d8b>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 net/llc/llc_c_ac.c:777 [<0000000017cf7266>] llc_exec_conn_trans_actions net/llc/llc_conn.c:475 [inline] [<0000000017cf7266>] llc_conn_service net/llc/llc_conn.c:400 [inline] [<0000000017cf7266>] llc_conn_state_process+0x1ac/0x640 net/llc/llc_conn.c:75 [<00000000918c2839>] llc_process_tmr_ev net/llc/llc_c_ac.c:1441 [inline] [<00000000918c2839>] llc_conn_tmr_common_cb+0xe0/0x1b0 net/llc/llc_c_ac.c:1327 [<00000000975d3437>] llc_conn_ack_tmr_cb+0x1e/0x30 net/llc/llc_c_ac.c:1350 [<000000009c7d7b69>] call_timer_fn+0x45/0x1e0 kernel/time/timer.c:1404 [<0000000027a690b9>] expire_timers kernel/time/timer.c:1449 [inline] [<0000000027a690b9>] __run_timers kernel/time/timer.c:1773 [inline] [<0000000027a690b9>] __run_timers kernel/time/timer.c:1740 [inline] [<0000000027a690b9>] run_timer_softirq+0x262/0x730 kernel/time/timer.c:1786 [<00000000f4f036af>] __do_softirq+0x115/0x33f kernel/softirq.c:292 [<00000000cdd24b8b>] invoke_softirq kernel/softirq.c:373 [inline] [<00000000cdd24b8b>] irq_exit+0xbb/0xe0 kernel/softirq.c:413 [<00000000d2fefc21>] exiting_irq arch/x86/include/asm/apic.h:536 [inline] [<00000000d2fefc21>] smp_apic_timer_interrupt+0x96/0x190 arch/x86/kernel/apic/apic.c:1137 [<000000008ea2df74>] apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 [<000000009055b222>] native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 [<000000007779283e>] arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571 [<00000000ab4ff6ae>] default_idle_call+0x1e/0x40 kernel/sched/idle.c:94