===================================================== BUG: KMSAN: uninit-value in eir_get_data net/bluetooth/eir.h:73 [inline] BUG: KMSAN: uninit-value in eir_get_service_data+0x25c/0x570 net/bluetooth/eir.c:384 eir_get_data net/bluetooth/eir.h:73 [inline] eir_get_service_data+0x25c/0x570 net/bluetooth/eir.c:384 iso_connect_ind+0x2004/0x2330 net/bluetooth/iso.c:1794 hci_proto_connect_ind include/net/bluetooth/hci_core.h:1927 [inline] hci_le_per_adv_report_evt+0xc0/0x1e0 net/bluetooth/hci_event.c:6657 hci_le_meta_evt+0x608/0x860 net/bluetooth/hci_event.c:7356 hci_event_func net/bluetooth/hci_event.c:7686 [inline] hci_event_packet+0x1183/0x1be0 net/bluetooth/hci_event.c:7741 hci_rx_work+0x687/0x1120 net/bluetooth/hci_core.c:4105 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2706 worker_thread+0xf45/0x1490 kernel/workqueue.c:2787 kthread+0x3ed/0x540 kernel/kthread.c:388 ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Uninit was created at: slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [inline] kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560 __alloc_skb+0x318/0x740 net/core/skbuff.c:651 alloc_skb include/linux/skbuff.h:1286 [inline] bt_skb_alloc include/net/bluetooth/bluetooth.h:487 [inline] vhci_get_user drivers/bluetooth/hci_vhci.c:497 [inline] vhci_write+0x126/0x8f0 drivers/bluetooth/hci_vhci.c:617 call_write_iter include/linux/fs.h:2084 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x786/0x1200 fs/read_write.c:590 ksys_write+0x20f/0x4c0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x93/0xd0 fs/read_write.c:652 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b CPU: 1 PID: 47 Comm: kworker/u5:0 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: hci2 hci_rx_work =====================================================