Bluetooth: hci3: unexpected event 0x03 length: 17 > 11
BUG: sleeping function called from invalid context at net/core/sock.c:3627
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5943, name: kworker/u33:2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
5 locks held by kworker/u33:2/5943:
 #0: ffff88802a2e9148 ((wq_completion)hci3#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
 #1: ffffc900043dfd80 ((work_completion)(&hdev->rx_work)
){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
 #2: ffff888030604078
 (&hdev->lock){+.+.}-{4:4}, at: hci_conn_complete_evt+0xbd/0x1580 net/bluetooth/hci_event.c:3074
 #3: ffff888031993820 (&conn->lock#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffff888031993820 (&conn->lock#2){+.+.}-{3:3}, at: sco_conn_ready net/bluetooth/sco.c:1328 [inline]
 #3: ffff888031993820 (&conn->lock#2){+.+.}-{3:3}, at: sco_connect_cfm+0x29f/0xc00 net/bluetooth/sco.c:1415
 #4: ffff888104ace258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1623 [inline]
 #4: ffff888104ace258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 #4: ffff888104ace258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x3bc/0xc00 net/bluetooth/sco.c:1415
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 5943 Comm: kworker/u33:2 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: hci3 hci_rx_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 __might_resched+0x3c0/0x5e0 kernel/sched/core.c:8758
 lock_sock_nested+0x4b/0xf0 net/core/sock.c:3627
 lock_sock include/net/sock.h:1623 [inline]
 sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 sco_connect_cfm+0x3bc/0xc00 net/bluetooth/sco.c:1415
 hci_connect_cfm include/net/bluetooth/hci_core.h:2057 [inline]
 hci_conn_complete_evt+0x80d/0x1580 net/bluetooth/hci_event.c:3212
 hci_event_func net/bluetooth/hci_event.c:7473 [inline]
 hci_event_packet+0x9eb/0x1180 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x2c5/0x16b0 net/bluetooth/hci_core.c:4035
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
==================================================================
BUG: KASAN: slab-use-after-free in __lock_acquire+0x2d90/0x3c40 kernel/locking/lockdep.c:5089
Read of size 8 at addr ffff888104ace1d8 by task kworker/u33:2/5943

CPU: 0 UID: 0 PID: 5943 Comm: kworker/u33:2 Tainted: G        W          6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: hci3 hci_rx_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:489
 kasan_report+0xd9/0x110 mm/kasan/report.c:602
 __lock_acquire+0x2d90/0x3c40 kernel/locking/lockdep.c:5089
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 lock_sock_nested+0x5f/0xf0 net/core/sock.c:3628
 lock_sock include/net/sock.h:1623 [inline]
 sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 sco_connect_cfm+0x3bc/0xc00 net/bluetooth/sco.c:1415
 hci_connect_cfm include/net/bluetooth/hci_core.h:2057 [inline]
 hci_conn_complete_evt+0x80d/0x1580 net/bluetooth/hci_event.c:3212
 hci_event_func net/bluetooth/hci_event.c:7473 [inline]
 hci_event_packet+0x9eb/0x1180 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x2c5/0x16b0 net/bluetooth/hci_core.c:4035
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Allocated by task 5966:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4298 [inline]
 __kmalloc_noprof+0x21c/0x510 mm/slub.c:4310
 kmalloc_noprof include/linux/slab.h:905 [inline]
 sk_prot_alloc+0x1a8/0x2a0 net/core/sock.c:2168
 sk_alloc+0x36/0xb90 net/core/sock.c:2221
 bt_sock_alloc+0x3b/0x3a0 net/bluetooth/af_bluetooth.c:148
 sco_sock_alloc net/bluetooth/sco.c:552 [inline]
 sco_sock_create+0xe3/0x3c0 net/bluetooth/sco.c:583
 bt_sock_create+0x182/0x350 net/bluetooth/af_bluetooth.c:132
 __sock_create+0x335/0x8d0 net/socket.c:1558
 sock_create net/socket.c:1616 [inline]
 __sys_socket_create net/socket.c:1653 [inline]
 __sys_socket+0x14f/0x260 net/socket.c:1700
 __do_sys_socket net/socket.c:1714 [inline]
 __se_sys_socket net/socket.c:1712 [inline]
 __x64_sys_socket+0x72/0xb0 net/socket.c:1712
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5966:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4613 [inline]
 kfree+0x14f/0x4b0 mm/slub.c:4761
 sk_prot_free net/core/sock.c:2204 [inline]
 __sk_destruct+0x5eb/0x720 net/core/sock.c:2296
 sk_destruct+0xc2/0xf0 net/core/sock.c:2311
 __sk_free+0xf4/0x3e0 net/core/sock.c:2322
 sk_free+0x6a/0x90 net/core/sock.c:2333
 sock_put include/net/sock.h:1910 [inline]
 sco_sock_kill net/bluetooth/sco.c:494 [inline]
 sco_sock_kill+0x11a/0x1c0 net/bluetooth/sco.c:484
 sco_sock_release+0x154/0x2d0 net/bluetooth/sco.c:1310
 __sock_release+0xb0/0x270 net/socket.c:640
 sock_close+0x1c/0x30 net/socket.c:1408
 __fput+0x3f8/0xb60 fs/file_table.c:450
 __fput_sync+0xa1/0xc0 fs/file_table.c:535
 __do_sys_close fs/open.c:1554 [inline]
 __se_sys_close fs/open.c:1539 [inline]
 __x64_sys_close+0x86/0x100 fs/open.c:1539
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888104ace000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 472 bytes inside of
 freed 2048-byte region [ffff888104ace000, ffff888104ace800)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104ac8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000040 ffff88801b042f00 0000000000000000 dead000000000001
raw: 0000000000000000 0000000000080008 00000001f5000000 0000000000000000
head: 057ff00000000040 ffff88801b042f00 0000000000000000 dead000000000001
head: 0000000000000000 0000000000080008 00000001f5000000 0000000000000000
head: 057ff00000000003 ffffea000412b201 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 2473763433, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4753
 alloc_pages_mpol_noprof+0x2c8/0x620 mm/mempolicy.c:2269
 alloc_slab_page mm/slub.c:2423 [inline]
 allocate_slab mm/slub.c:2589 [inline]
 new_slab+0x2c9/0x410 mm/slub.c:2642
 ___slab_alloc+0xd7d/0x17a0 mm/slub.c:3830
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920
 __slab_alloc_node mm/slub.c:3995 [inline]
 slab_alloc_node mm/slub.c:4156 [inline]
 __kmalloc_cache_noprof+0xfa/0x410 mm/slub.c:4324
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 acpi_add_single_object+0xbf/0x1b50 drivers/acpi/scan.c:1876
 acpi_bus_check_add+0x237/0x900 drivers/acpi/scan.c:2181
 acpi_ns_walk_namespace+0x405/0x5b0 drivers/acpi/acpica/nswalk.c:233
 acpi_walk_namespace drivers/acpi/acpica/nsxfeval.c:606 [inline]
 acpi_walk_namespace+0x110/0x130 drivers/acpi/acpica/nsxfeval.c:554
 acpi_bus_scan+0x3ea/0x4a0 drivers/acpi/scan.c:2595
 acpi_scan_init+0x245/0x760 drivers/acpi/scan.c:2747
 acpi_init+0x427/0xb80 drivers/acpi/bus.c:1467
 do_one_initcall+0x128/0x700 init/main.c:1266
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888104ace080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888104ace100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888104ace180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff888104ace200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888104ace280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================