executing program executing program BUG: memory leak unreferenced object 0xffff888120b3d380 (size 64): comm "syz-executor517", pid 6949, jiffies 4294941316 (age 13.400s) hex dump (first 32 bytes): 23 4e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 #N.............. 88 16 ef 24 81 88 ff ff 00 00 00 00 00 00 00 00 ...$............ backtrace: [<000000006e6207b2>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000006e6207b2>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000006e6207b2>] slab_alloc mm/slab.c:3319 [inline] [<000000006e6207b2>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000d0d058e2>] sctp_bucket_create net/sctp/socket.c:8523 [inline] [<00000000d0d058e2>] sctp_get_port_local+0x189/0x5a0 net/sctp/socket.c:8270 [<0000000082735c7f>] sctp_do_bind+0xcc/0x200 net/sctp/socket.c:402 [<0000000080c8d55e>] sctp_bindx_add+0x4b/0xd0 net/sctp/socket.c:497 [<00000000eb10f474>] sctp_setsockopt_bindx+0x156/0x1b0 net/sctp/socket.c:1022 [<000000004e959dd5>] sctp_setsockopt net/sctp/socket.c:4641 [inline] [<000000004e959dd5>] sctp_setsockopt+0xaea/0x2dc0 net/sctp/socket.c:4611 [<000000000e9e767a>] sock_common_setsockopt+0x38/0x50 net/core/sock.c:3147 [<00000000a549638a>] __sys_setsockopt+0x10f/0x220 net/socket.c:2084 [<000000003c15b96c>] __do_sys_setsockopt net/socket.c:2100 [inline] [<000000003c15b96c>] __se_sys_setsockopt net/socket.c:2097 [inline] [<000000003c15b96c>] __x64_sys_setsockopt+0x26/0x30 net/socket.c:2097 [<00000000ee3ea8a3>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<000000006bf005e9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9