2020/01/26 05:44:52 executed programs: 23 2020/01/26 05:44:58 executed programs: 31 2020/01/26 05:45:04 executed programs: 48 BUG: memory leak unreferenced object 0xffff88810ab18800 (size 256): comm "syz-executor.7", pid 7309, jiffies 4294949050 (age 14.140s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 61 0b a1 38 00 00 00 00 00 13 eb 0a 81 88 ff ff a..8............ backtrace: [<000000002927ffbb>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000002927ffbb>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000002927ffbb>] slab_alloc_node mm/slab.c:3263 [inline] [<000000002927ffbb>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<0000000046db4b33>] __do_kmalloc_node mm/slab.c:3615 [inline] [<0000000046db4b33>] __kmalloc_node+0x38/0x50 mm/slab.c:3623 [<00000000b38e9832>] kmalloc_node include/linux/slab.h:579 [inline] [<00000000b38e9832>] sock_hash_alloc_elem net/core/sock_map.c:646 [inline] [<00000000b38e9832>] sock_hash_update_common+0x314/0x580 net/core/sock_map.c:700 [<0000000014e8a1f0>] sock_hash_update_elem+0xf0/0x130 net/core/sock_map.c:749 [<00000000103a0d15>] map_update_elem kernel/bpf/syscall.c:1006 [inline] [<00000000103a0d15>] __do_sys_bpf+0x1a85/0x1f50 kernel/bpf/syscall.c:3018 [<0000000016dddce5>] __se_sys_bpf kernel/bpf/syscall.c:2989 [inline] [<0000000016dddce5>] __x64_sys_bpf+0x1e/0x30 kernel/bpf/syscall.c:2989 [<0000000013ff9280>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<000000005995f7bb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9