BUG: memory leak unreferenced object 0xffff88810c8c5300 (size 256): comm "syz-executor.0", pid 7168, jiffies 4294955931 (age 9.060s) hex dump (first 32 bytes): 80 8c 2e 22 81 88 ff ff 00 00 00 00 00 00 00 00 ..."............ 61 0b a1 38 00 00 00 00 c0 92 96 0c 81 88 ff ff a..8............ backtrace: [<00000000cc1c9424>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000cc1c9424>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000cc1c9424>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000cc1c9424>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<00000000d7e21ce8>] __do_kmalloc_node mm/slab.c:3615 [inline] [<00000000d7e21ce8>] __kmalloc_node+0x38/0x50 mm/slab.c:3623 [<00000000f23f8176>] kmalloc_node include/linux/slab.h:579 [inline] [<00000000f23f8176>] sock_hash_alloc_elem net/core/sock_map.c:643 [inline] [<00000000f23f8176>] sock_hash_update_common+0x314/0x580 net/core/sock_map.c:697 [<0000000043e5b16c>] sock_hash_update_elem+0xf0/0x130 net/core/sock_map.c:746 [<00000000fd4acde1>] map_update_elem kernel/bpf/syscall.c:1006 [inline] [<00000000fd4acde1>] __do_sys_bpf+0x1a85/0x1f50 kernel/bpf/syscall.c:3018 [<00000000f0e3acc5>] __se_sys_bpf kernel/bpf/syscall.c:2989 [inline] [<00000000f0e3acc5>] __x64_sys_bpf+0x1e/0x30 kernel/bpf/syscall.c:2989 [<0000000075d024bf>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<00000000c227fb92>] entry_SYSCALL_64_after_hwframe+0x44/0xa9