BUG: memory leak unreferenced object 0xffff888119a92380 (size 64): comm "syz-executor222", pid 7162, jiffies 4294943568 (age 7.710s) hex dump (first 32 bytes): 20 4e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 N.............. 88 7c 2d 17 82 88 ff ff 00 00 00 00 00 00 00 00 .|-............. backtrace: [<00000000bc192d56>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000bc192d56>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000bc192d56>] slab_alloc mm/slab.c:3319 [inline] [<00000000bc192d56>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000de582cfc>] sctp_bucket_create net/sctp/socket.c:8374 [inline] [<00000000de582cfc>] sctp_get_port_local+0x189/0x5b0 net/sctp/socket.c:8121 [<00000000d8562c7e>] sctp_do_bind+0xcc/0x1e0 net/sctp/socket.c:402 [<00000000022886b6>] sctp_bind+0x44/0x70 net/sctp/socket.c:302 [<000000007d0fb360>] inet_bind+0x40/0xc0 net/ipv4/af_inet.c:441 [<00000000166dece6>] __sys_bind+0x11c/0x140 net/socket.c:1647 [<0000000077652475>] __do_sys_bind net/socket.c:1658 [inline] [<0000000077652475>] __se_sys_bind net/socket.c:1656 [inline] [<0000000077652475>] __x64_sys_bind+0x1e/0x30 net/socket.c:1656 [<0000000001bf0845>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<0000000008069158>] entry_SYSCALL_64_after_hwframe+0x44/0xa9