executing program executing program BUG: memory leak unreferenced object 0xffff888129f3e380 (size 64): comm "syz-executor893", pid 7002, jiffies 4294942187 (age 13.780s) hex dump (first 32 bytes): 7c e5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |............... a8 0e db 16 82 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000062b076d8>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000062b076d8>] slab_post_alloc_hook mm/slab.h:522 [inline] [<0000000062b076d8>] slab_alloc mm/slab.c:3319 [inline] [<0000000062b076d8>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<0000000052523d39>] sctp_bucket_create net/sctp/socket.c:8374 [inline] [<0000000052523d39>] sctp_get_port_local+0x189/0x5b0 net/sctp/socket.c:8121 [<00000000c316503a>] sctp_do_bind+0xcc/0x1e0 net/sctp/socket.c:402 [<00000000f6196a81>] sctp_bindx_add+0x4b/0xd0 net/sctp/socket.c:496 [<00000000850f6acc>] sctp_setsockopt_bindx+0x18b/0x1f0 net/sctp/socket.c:1023 [<000000005d9b9d31>] sctp_setsockopt net/sctp/socket.c:4635 [inline] [<000000005d9b9d31>] sctp_setsockopt+0x924/0x2bd0 net/sctp/socket.c:4605 [<00000000fd71d412>] sock_common_setsockopt+0x38/0x50 net/core/sock.c:3130 [<000000006b7a2512>] __sys_setsockopt+0x10f/0x220 net/socket.c:2084 [<00000000242560da>] __do_sys_setsockopt net/socket.c:2100 [inline] [<00000000242560da>] __se_sys_setsockopt net/socket.c:2097 [inline] [<00000000242560da>] __x64_sys_setsockopt+0x26/0x30 net/socket.c:2097 [<000000003d442811>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<000000009b6aaf72>] entry_SYSCALL_64_after_hwframe+0x44/0xa9