BUG: memory leak unreferenced object 0xffff888037548900 (size 640): comm "syz-executor.5", pid 25969, jiffies 4297913214 hex dump (first 32 bytes): 80 ec 42 3e 80 88 ff ff 04 0e 04 01 1a 0c 00 04 ..B>............ 0a 78 00 00 00 00 00 00 14 00 02 00 fe 80 00 00 .x.............. backtrace (crc 28f3ffc8): [<00000000aeea16a5>] kmem_cache_alloc_node_noprof+0x311/0x3e0 [<00000000013e3eb7>] kmalloc_reserve+0x189/0x2b0 [<000000008fc2f3dc>] __alloc_skb+0x162/0x370 [<00000000a4d3dbb3>] vhci_write+0xbb/0x470 [<00000000e729f50e>] do_iter_readv_writev+0x51f/0x7e0 [<00000000efd2257f>] vfs_writev+0x2d8/0xcc0 [<0000000098856a8c>] do_writev+0x12a/0x330 [<000000001ddb1500>] do_syscall_64+0xbf/0x1d0 [<000000000078d7c8>] entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88803deec8c0 (size 232): comm "kworker/u11:2", pid 20063, jiffies 4297913214 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 (crc 76439f1d): [<00000000a3d69ce5>] kmem_cache_alloc_noprof+0x300/0x3d0 [<0000000044155cfd>] skb_clone+0x191/0x400 [<000000004b2889c3>] hci_event_packet+0x2bf/0x10d0 [<00000000342cc373>] hci_rx_work+0x96c/0x1270 [<000000005406c0ef>] process_one_work+0x8ee/0x1a00 [<00000000b0ee8906>] worker_thread+0x674/0xe70 [<00000000a30c59d7>] kthread+0x2c2/0x3a0 [<00000000be9dcae5>] ret_from_fork+0x48/0x80 [<000000004793722b>] ret_from_fork_asm+0x1a/0x30 BUG: leak checking failed