BUG: memory leak unreferenced object 0xffff88812525d380 (size 64): comm "syz-executor055", pid 7019, jiffies 4294941952 (age 7.640s) hex dump (first 32 bytes): 23 4e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 #N.............. 28 be e4 16 82 88 ff ff 00 00 00 00 00 00 00 00 (............... backtrace: [<0000000042b79713>] kmemleak_alloc_recursive /./include/linux/kmemleak.h:43 [inline] [<0000000042b79713>] slab_post_alloc_hook /mm/slab.h:522 [inline] [<0000000042b79713>] slab_alloc /mm/slab.c:3319 [inline] [<0000000042b79713>] kmem_cache_alloc+0x13f/0x280 /mm/slab.c:3483 [<00000000f78b7ca3>] sctp_bucket_create /net/sctp/socket.c:8374 [inline] [<00000000f78b7ca3>] sctp_get_port_local+0x18a/0x5e0 /net/sctp/socket.c:8121 [<0000000083b574b5>] sctp_do_bind+0xcc/0x1e0 /net/sctp/socket.c:402 [<00000000cf4f4000>] sctp_bindx_add+0x4b/0xd0 /net/sctp/socket.c:496 [<00000000d1a7f119>] sctp_setsockopt_bindx+0x18b/0x1f0 /net/sctp/socket.c:1023 [<00000000dda63591>] sctp_setsockopt /net/sctp/socket.c:4635 [inline] [<00000000dda63591>] sctp_setsockopt+0x924/0x2bd0 /net/sctp/socket.c:4605 [<00000000bd568cdd>] sock_common_setsockopt+0x38/0x50 /net/core/sock.c:3130 [<0000000034b9b278>] __sys_setsockopt+0x10f/0x220 /net/socket.c:2084 [<00000000f83d490a>] __do_sys_setsockopt /net/socket.c:2100 [inline] [<00000000f83d490a>] __se_sys_setsockopt /net/socket.c:2097 [inline] [<00000000f83d490a>] __x64_sys_setsockopt+0x26/0x30 /net/socket.c:2097 [<000000005f27fb3e>] do_syscall_64+0x76/0x1a0 /arch/x86/entry/common.c:296 [<00000000ce3e2fca>] entry_SYSCALL_64_after_hwframe+0x44/0xa9