BUG: memory leak unreferenced object 0xffff88810ce43100 (size 240): comm "kworker/u9:5", pid 5443, jiffies 4294944572 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 241f80c): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3802 [inline] [] slab_alloc_node mm/slub.c:3845 [inline] [] kmem_cache_alloc+0x271/0x310 mm/slub.c:3852 [] skb_clone+0xaa/0x190 net/core/skbuff.c:2063 [] hci_send_cmd_sync net/bluetooth/hci_core.c:4220 [inline] [] hci_cmd_work+0x1db/0x200 net/bluetooth/hci_core.c:4240 [] process_one_work+0x290/0x630 kernel/workqueue.c:3254 [] process_scheduled_works kernel/workqueue.c:3335 [inline] [] worker_thread+0x2bd/0x510 kernel/workqueue.c:3416 [] kthread+0xfc/0x140 kernel/kthread.c:388 [] ret_from_fork+0x45/0x60 arch/x86/kernel/process.c:147 [] ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 BUG: memory leak unreferenced object 0xffff88810d499b80 (size 640): comm "syz-executor.0", pid 5440, jiffies 4294944575 hex dump (first 32 bytes): 00 00 00 00 00 00 00 01 1a 0c 01 02 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc d037fcd3): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3802 [inline] [] slab_alloc_node mm/slub.c:3845 [inline] [] kmem_cache_alloc_node+0x28c/0x330 mm/slub.c:3888 [] kmalloc_reserve+0xe6/0x180 net/core/skbuff.c:577 [] __alloc_skb+0xd5/0x220 net/core/skbuff.c:668 [] alloc_skb include/linux/skbuff.h:1318 [inline] [] bt_skb_alloc include/net/bluetooth/bluetooth.h:489 [inline] [] hci_prepare_cmd+0x2b/0xb0 net/bluetooth/hci_request.c:219 [] hci_req_add_ev net/bluetooth/hci_request.c:253 [inline] [] hci_req_add+0x57/0xe0 net/bluetooth/hci_request.c:273 [] hci_scan_req+0x41/0x70 net/bluetooth/hci_core.c:73 [] __hci_req_sync+0x70/0x3c0 net/bluetooth/hci_request.c:128 [] hci_req_sync+0x67/0xa0 net/bluetooth/hci_request.c:204 [] hci_dev_cmd+0x3f3/0x550 net/bluetooth/hci_core.c:790 [] hci_sock_ioctl+0x3ec/0x6f0 net/bluetooth/hci_sock.c:1153 [] sock_do_ioctl+0x82/0x1a0 net/socket.c:1222 [] sock_ioctl+0x14e/0x480 net/socket.c:1341 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:904 [inline] [] __se_sys_ioctl fs/ioctl.c:890 [inline] [] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:890 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0xa5/0x1e0 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x6d/0x75 BUG: memory leak unreferenced object 0xffff88810cf5a800 (size 240): comm "kworker/u9:2", pid 5070, jiffies 4294944575 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 96a40ff6): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3802 [inline] [] slab_alloc_node mm/slub.c:3845 [inline] [] kmem_cache_alloc+0x271/0x310 mm/slub.c:3852 [] skb_clone+0xaa/0x190 net/core/skbuff.c:2063 [] hci_send_cmd_sync net/bluetooth/hci_core.c:4220 [inline] [] hci_cmd_work+0x1db/0x200 net/bluetooth/hci_core.c:4240 [] process_one_work+0x290/0x630 kernel/workqueue.c:3254 [] process_scheduled_works kernel/workqueue.c:3335 [inline] [] worker_thread+0x2bd/0x510 kernel/workqueue.c:3416 [] kthread+0xfc/0x140 kernel/kthread.c:388 [] ret_from_fork+0x45/0x60 arch/x86/kernel/process.c:147 [] ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 BUG: memory leak unreferenced object 0xffff88810d4a8a00 (size 640): comm "syz-executor.4", pid 5429, jiffies 4294944575 hex dump (first 32 bytes): 00 00 00 00 00 00 00 01 1a 0c 01 02 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc d037fcd3): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3802 [inline] [] slab_alloc_node mm/slub.c:3845 [inline] [] kmem_cache_alloc_node+0x28c/0x330 mm/slub.c:3888 [] kmalloc_reserve+0xe6/0x180 net/core/skbuff.c:577 [] __alloc_skb+0xd5/0x220 net/core/skbuff.c:668 [] alloc_skb include/linux/skbuff.h:1318 [inline] [] bt_skb_alloc include/net/bluetooth/bluetooth.h:489 [inline] [] hci_prepare_cmd+0x2b/0xb0 net/bluetooth/hci_request.c:219 [] hci_req_add_ev net/bluetooth/hci_request.c:253 [inline] [] hci_req_add+0x57/0xe0 net/bluetooth/hci_request.c:273 [] hci_scan_req+0x41/0x70 net/bluetooth/hci_core.c:73 [] __hci_req_sync+0x70/0x3c0 net/bluetooth/hci_request.c:128 [] hci_req_sync+0x67/0xa0 net/bluetooth/hci_request.c:204 [] hci_dev_cmd+0x3f3/0x550 net/bluetooth/hci_core.c:790 [] hci_sock_ioctl+0x3ec/0x6f0 net/bluetooth/hci_sock.c:1153 [] sock_do_ioctl+0x82/0x1a0 net/socket.c:1222 [] sock_ioctl+0x14e/0x480 net/socket.c:1341 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:904 [inline] [] __se_sys_ioctl fs/ioctl.c:890 [inline] [] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:890 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0xa5/0x1e0 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x6d/0x75