Warning: Permanently added '10.128.0.238' (ED25519) to the list of known hosts. executing program [ 39.795665][ T3971] ================================================================== [ 39.797851][ T3971] BUG: KASAN: slab-out-of-bounds in hci_le_meta_evt+0xe54/0x3028 [ 39.799914][ T3971] Read of size 1 at addr ffff0000cea8b604 by task kworker/u5:1/3971 [ 39.802113][ T3971] [ 39.802690][ T3971] CPU: 0 PID: 3971 Comm: kworker/u5:1 Not tainted 5.15.137-syzkaller #0 [ 39.805020][ T3971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 39.807672][ T3971] Workqueue: hci0 hci_rx_work [ 39.808873][ T3971] Call trace: [ 39.809698][ T3971] dump_backtrace+0x0/0x530 [ 39.810838][ T3971] show_stack+0x2c/0x3c [ 39.811962][ T3971] dump_stack_lvl+0x108/0x170 [ 39.813194][ T3971] print_address_description+0x7c/0x3f0 [ 39.814526][ T3971] kasan_report+0x174/0x1e4 [ 39.815693][ T3971] __asan_report_load1_noabort+0x44/0x50 [ 39.817132][ T3971] hci_le_meta_evt+0xe54/0x3028 [ 39.818407][ T3971] hci_event_packet+0xd34/0x12b4 [ 39.819656][ T3971] hci_rx_work+0x1c0/0x7c4 [ 39.820847][ T3971] process_one_work+0x790/0x11b8 [ 39.822035][ T3971] worker_thread+0x910/0x1034 [ 39.823258][ T3971] kthread+0x37c/0x45c [ 39.824357][ T3971] ret_from_fork+0x10/0x20 [ 39.825465][ T3971] [ 39.826035][ T3971] Allocated by task 3970: [ 39.827130][ T3971] ____kasan_kmalloc+0xbc/0xfc [ 39.828451][ T3971] __kasan_kmalloc+0x10/0x1c [ 39.829560][ T3971] __kmalloc_node_track_caller+0x234/0x448 [ 39.831021][ T3971] kmalloc_reserve+0xe8/0x270 [ 39.832192][ T3971] __alloc_skb+0x1a4/0x584 [ 39.833392][ T3971] vhci_write+0xb8/0x3b8 [ 39.834497][ T3971] vfs_write+0x87c/0xb3c [ 39.835614][ T3971] ksys_write+0x15c/0x26c [ 39.836722][ T3971] __arm64_sys_write+0x7c/0x90 [ 39.837966][ T3971] invoke_syscall+0x98/0x2b8 [ 39.839191][ T3971] el0_svc_common+0x138/0x258 [ 39.840406][ T3971] do_el0_svc+0x58/0x14c [ 39.841515][ T3971] el0_svc+0x7c/0x1f0 [ 39.842540][ T3971] el0t_64_sync_handler+0x84/0xe4 [ 39.843833][ T3971] el0t_64_sync+0x1a0/0x1a4 [ 39.845053][ T3971] [ 39.845647][ T3971] The buggy address belongs to the object at ffff0000cea8b400 [ 39.845647][ T3971] which belongs to the cache kmalloc-512 of size 512 [ 39.849217][ T3971] The buggy address is located 4 bytes to the right of [ 39.849217][ T3971] 512-byte region [ffff0000cea8b400, ffff0000cea8b600) [ 39.852749][ T3971] The buggy address belongs to the page: [ 39.854243][ T3971] page:000000002ecd1ec4 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ea88 [ 39.856897][ T3971] head:000000002ecd1ec4 order:2 compound_mapcount:0 compound_pincount:0 [ 39.859162][ T3971] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 39.861119][ T3971] raw: 05ffc00000010200 dead000000000100 dead000000000122 ffff0000c0002600 [ 39.863360][ T3971] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 39.865630][ T3971] page dumped because: kasan: bad access detected [ 39.867224][ T3971] [ 39.867796][ T3971] Memory state around the buggy address: [ 39.869269][ T3971] ffff0000cea8b500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 39.871458][ T3971] ffff0000cea8b580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 39.873625][ T3971] >ffff0000cea8b600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.875642][ T3971] ^ [ 39.876743][ T3971] ffff0000cea8b680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.878787][ T3971] ffff0000cea8b700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.880974][ T3971] ================================================================== [ 39.883094][ T3971] Disabling lock debugging due to kernel taint [ 39.886026][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0x16 [ 39.886062][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0xff80 [ 39.887698][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0xff80 [ 39.889486][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0xff80 [ 39.891175][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0xff80 [ 39.893199][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0xff80 [ 39.895047][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0xff80 [ 39.896782][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0xff80 [ 39.898544][ T3971] Bluetooth: hci0: Unknown advertising packet type: 0xff80