executing program executing program BUG: memory leak unreferenced object 0xffff8881226afc00 (size 96): comm "syz-executor370", pid 6821, jiffies 4294941309 (age 13.600s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000803875cd>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000803875cd>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000803875cd>] slab_alloc mm/slab.c:3319 [inline] [<00000000803875cd>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000720739d9>] kmalloc include/linux/slab.h:552 [inline] [<00000000720739d9>] kzalloc include/linux/slab.h:748 [inline] [<00000000720739d9>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<00000000c19cd75b>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1797 [<00000000c4b17ba2>] sctp_sendmsg+0x2a6/0xc60 net/sctp/socket.c:2017 [<00000000cbe1f79e>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<000000000f53ee3f>] sock_sendmsg_nosec net/socket.c:637 [inline] [<000000000f53ee3f>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<000000008205a709>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<0000000078c10028>] call_write_iter include/linux/fs.h:1885 [inline] [<0000000078c10028>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<000000001a80502a>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<00000000c7daa291>] vfs_write fs/read_write.c:558 [inline] [<00000000c7daa291>] vfs_write+0xee/0x210 fs/read_write.c:542 [<00000000a63def75>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<0000000071034cda>] __do_sys_write fs/read_write.c:623 [inline] [<0000000071034cda>] __se_sys_write fs/read_write.c:620 [inline] [<0000000071034cda>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<00000000467c1000>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<00000000526eba40>] entry_SYSCALL_64_after_hwframe+0x44/0xa9