=====================================================
BUG: KMSAN: uninit-value in eir_get_data net/bluetooth/eir.h:81 [inline]
BUG: KMSAN: uninit-value in eir_get_service_data+0x299/0x570 net/bluetooth/eir.c:384
 eir_get_data net/bluetooth/eir.h:81 [inline]
 eir_get_service_data+0x299/0x570 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]
 __ia32_sys_write+0x91/0xd0 fs/read_write.c:652
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb3/0x110 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

CPU: 0 PID: 4391 Comm: kworker/u5:1 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: hci0 hci_rx_work
=====================================================