===================================================== 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+0xa24/0xee0 net/bluetooth/iso.c:1969 hci_proto_connect_ind include/net/bluetooth/hci_core.h:1949 [inline] hci_le_per_adv_report_evt+0xc0/0x1e0 net/bluetooth/hci_event.c:6653 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+0x117f/0x1be0 net/bluetooth/hci_event.c:7741 hci_rx_work+0x687/0x1120 net/bluetooth/hci_core.c:4106 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x1132/0x1f40 kernel/workqueue.c:2706 worker_thread+0xea4/0x1560 kernel/workqueue.c:2787 kthread+0x3ed/0x550 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:243 Uninit was created at: slab_post_alloc_hook mm/slub.c:3819 [inline] slab_alloc_node mm/slub.c:3860 [inline] kmem_cache_alloc_node+0x5cb/0xbc0 mm/slub.c:3903 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560 __alloc_skb+0x352/0x790 net/core/skbuff.c:651 alloc_skb include/linux/skbuff.h:1296 [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:2087 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xb6b/0x1520 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+0xb5/0x110 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: 5040 Comm: kworker/u5:4 Not tainted 6.8.0-rc6-syzkaller-00238-g5ad3cb0ed525 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: hci2 hci_rx_work =====================================================