executing program BUG: memory leak unreferenced object 0xffff8881135c0380 (size 64): comm "syz-executor741", pid 7043, jiffies 4294941575 (age 8.150s) hex dump (first 32 bytes): d4 a7 00 00 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 18 42 39 25 81 88 ff ff 00 00 00 00 00 00 00 00 .B9%............ backtrace: [<0000000033db576d>] kmemleak_alloc_recursive /./include/linux/kmemleak.h:43 [inline] [<0000000033db576d>] slab_post_alloc_hook /mm/slab.h:522 [inline] [<0000000033db576d>] slab_alloc /mm/slab.c:3319 [inline] [<0000000033db576d>] kmem_cache_alloc+0x13f/0x2c0 /mm/slab.c:3483 [<000000004ac3d986>] sctp_bucket_create /net/sctp/socket.c:8374 [inline] [<000000004ac3d986>] sctp_get_port_local+0x189/0x5b0 /net/sctp/socket.c:8121 [<00000000b922bc83>] sctp_do_bind+0xcc/0x1e0 /net/sctp/socket.c:402 [<000000006db35b79>] sctp_bind+0x44/0x70 /net/sctp/socket.c:302 [<000000004fccfcca>] inet6_bind+0x40/0xb7 /net/ipv6/af_inet6.c:441 [<000000005734fe39>] __sys_bind+0x11c/0x140 /net/socket.c:1643 [<0000000083ef3017>] __do_sys_bind /net/socket.c:1654 [inline] [<0000000083ef3017>] __se_sys_bind /net/socket.c:1652 [inline] [<0000000083ef3017>] __x64_sys_bind+0x1e/0x30 /net/socket.c:1652 [<0000000021eb181d>] do_syscall_64+0x76/0x1a0 /arch/x86/entry/common.c:296 [<00000000e8d749ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9