executing program BUG: memory leak unreferenced object 0xffff88811af2d380 (size 64): comm "syz-executor568", pid 7018, jiffies 4294942020 (age 13.980s) hex dump (first 32 bytes): 52 c8 00 00 00 00 00 00 00 00 00 00 00 00 00 00 R............... b8 d7 cb 24 81 88 ff ff 00 00 00 00 00 00 00 00 ...$............ backtrace: [<000000009c9dae88>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c9dae88>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000009c9dae88>] slab_alloc mm/slab.c:3319 [inline] [<000000009c9dae88>] kmem_cache_alloc+0x13f/0x280 mm/slab.c:3483 [<00000000270f6fed>] sctp_bucket_create net/sctp/socket.c:8374 [inline] [<00000000270f6fed>] sctp_get_port_local+0x18a/0x5e0 net/sctp/socket.c:8121 [<00000000330ed09d>] sctp_do_bind+0xcc/0x1e0 net/sctp/socket.c:402 [<000000007343ca9d>] sctp_bindx_add+0x4b/0xd0 net/sctp/socket.c:496 [<00000000e24b9d95>] sctp_setsockopt_bindx+0x18b/0x1f0 net/sctp/socket.c:1023 [<00000000a097b5c5>] sctp_setsockopt net/sctp/socket.c:4635 [inline] [<00000000a097b5c5>] sctp_setsockopt+0x924/0x2bd0 net/sctp/socket.c:4605 [<00000000c2caa9e5>] sock_common_setsockopt+0x38/0x50 net/core/sock.c:3130 [<00000000406fb3cb>] __sys_setsockopt+0x10f/0x220 net/socket.c:2084 [<0000000039e90adb>] __do_sys_setsockopt net/socket.c:2100 [inline] [<0000000039e90adb>] __se_sys_setsockopt net/socket.c:2097 [inline] [<0000000039e90adb>] __x64_sys_setsockopt+0x26/0x30 net/socket.c:2097 [<0000000037e2cb94>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<00000000cac2f3b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9