BUG: sleeping function called from invalid context at kernel/locking/mutex.c:585
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5234, name: kworker/u9:3
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
4 locks held by kworker/u9:3/5234:
 #0: ffff8880318f0148 ((wq_completion)hci1#2){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
 #1: ffffc90003ed7d80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
 #2: ffff8880334d0078 (&hdev->lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0xde/0xb30 net/bluetooth/hci_event.c:6853
 #3: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
 #3: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
 #3: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: hci_le_create_big_complete_evt+0x100/0xb30 net/bluetooth/hci_event.c:6854
CPU: 1 UID: 0 PID: 5234 Comm: kworker/u9:3 Not tainted 6.11.0-rc6-syzkaller-00070-gc763c4339688 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: hci1 hci_rx_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:119
 __might_resched+0x3c0/0x5e0 kernel/sched/core.c:8463
 __mutex_lock_common kernel/locking/mutex.c:585 [inline]
 __mutex_lock+0xe2/0x9c0 kernel/locking/mutex.c:752
 hci_connect_cfm include/net/bluetooth/hci_core.h:1962 [inline]
 hci_le_create_big_complete_evt+0x387/0xb30 net/bluetooth/hci_event.c:6878
 hci_le_meta_evt+0x2e2/0x5d0 net/bluetooth/hci_event.c:7135
 hci_event_func net/bluetooth/hci_event.c:7443 [inline]
 hci_event_packet+0x666/0x1180 net/bluetooth/hci_event.c:7498
 hci_rx_work+0x2c6/0x1610 net/bluetooth/hci_core.c:4023
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 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: Invalid wait context ]
6.11.0-rc6-syzkaller-00070-gc763c4339688 #0 Tainted: G        W         
-----------------------------
kworker/u9:3/5234 is trying to lock:
ffffffff8fc9c1a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1962 [inline]
ffffffff8fc9c1a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0x387/0xb30 net/bluetooth/hci_event.c:6878
other info that might help us debug this:
context-{4:4}
4 locks held by kworker/u9:3/5234:
 #0: ffff8880318f0148 ((wq_completion)hci1#2){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
 #1: ffffc90003ed7d80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
 #2: ffff8880334d0078 (&hdev->lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0xde/0xb30 net/bluetooth/hci_event.c:6853
 #3: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
 #3: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
 #3: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: hci_le_create_big_complete_evt+0x100/0xb30 net/bluetooth/hci_event.c:6854
stack backtrace:
CPU: 1 UID: 0 PID: 5234 Comm: kworker/u9:3 Tainted: G        W          6.11.0-rc6-syzkaller-00070-gc763c4339688 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: hci1 hci_rx_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4750 [inline]
 check_wait_context kernel/locking/lockdep.c:4820 [inline]
 __lock_acquire+0x13cc/0x3cb0 kernel/locking/lockdep.c:5092
 lock_acquire kernel/locking/lockdep.c:5759 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5724
 __mutex_lock_common kernel/locking/mutex.c:608 [inline]
 __mutex_lock+0x175/0x9c0 kernel/locking/mutex.c:752
 hci_connect_cfm include/net/bluetooth/hci_core.h:1962 [inline]
 hci_le_create_big_complete_evt+0x387/0xb30 net/bluetooth/hci_event.c:6878
 hci_le_meta_evt+0x2e2/0x5d0 net/bluetooth/hci_event.c:7135
 hci_event_func net/bluetooth/hci_event.c:7443 [inline]
 hci_event_packet+0x666/0x1180 net/bluetooth/hci_event.c:7498
 hci_rx_work+0x2c6/0x1610 net/bluetooth/hci_core.c:4023
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 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 hci_le_create_big_complete_evt+0xa62/0xb30 net/bluetooth/hci_event.c:6857
Read of size 8 at addr ffff88807c91c000 by task kworker/u9:3/5234

CPU: 0 UID: 0 PID: 5234 Comm: kworker/u9:3 Tainted: G        W          6.11.0-rc6-syzkaller-00070-gc763c4339688 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: hci1 hci_rx_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 hci_le_create_big_complete_evt+0xa62/0xb30 net/bluetooth/hci_event.c:6857
 hci_le_meta_evt+0x2e2/0x5d0 net/bluetooth/hci_event.c:7135
 hci_event_func net/bluetooth/hci_event.c:7443 [inline]
 hci_event_packet+0x666/0x1180 net/bluetooth/hci_event.c:7498
 hci_rx_work+0x2c6/0x1610 net/bluetooth/hci_core.c:4023
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 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 5234:
 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:370 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:387
 kmalloc_noprof include/linux/slab.h:681 [inline]
 kzalloc_noprof include/linux/slab.h:807 [inline]
 __hci_conn_add+0x131/0x1a50 net/bluetooth/hci_conn.c:934
 hci_conn_add+0x56/0x70 net/bluetooth/hci_conn.c:1052
 hci_le_big_sync_established_evt+0x73f/0xad0 net/bluetooth/hci_event.c:6923
 hci_le_meta_evt+0x2e2/0x5d0 net/bluetooth/hci_event.c:7135
 hci_event_func net/bluetooth/hci_event.c:7443 [inline]
 hci_event_packet+0x666/0x1180 net/bluetooth/hci_event.c:7498
 hci_rx_work+0x2c6/0x1610 net/bluetooth/hci_core.c:4023
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 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

Freed by task 5234:
 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:579
 poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
 __kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2256 [inline]
 slab_free mm/slub.c:4477 [inline]
 kfree+0x12a/0x3b0 mm/slub.c:4598
 device_release+0xa1/0x240 drivers/base/core.c:2582
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1e4/0x5a0 lib/kobject.c:737
 put_device+0x1f/0x30 drivers/base/core.c:3790
 hci_conn_del_sysfs+0x151/0x180 net/bluetooth/hci_sysfs.c:72
 hci_conn_cleanup net/bluetooth/hci_conn.c:175 [inline]
 hci_conn_del+0x54e/0xdb0 net/bluetooth/hci_conn.c:1162
 hci_le_create_big_complete_evt+0x4ba/0xb30 net/bluetooth/hci_event.c:6880
 hci_le_meta_evt+0x2e2/0x5d0 net/bluetooth/hci_event.c:7135
 hci_event_func net/bluetooth/hci_event.c:7443 [inline]
 hci_event_packet+0x666/0x1180 net/bluetooth/hci_event.c:7498
 hci_rx_work+0x2c6/0x1610 net/bluetooth/hci_core.c:4023
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 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

The buggy address belongs to the object at ffff88807c91c000
 which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 0 bytes inside of
 freed 8192-byte region [ffff88807c91c000, ffff88807c91e000)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7c918
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xfdffffff(slab)
raw: 00fff00000000040 ffff88801ac42280 0000000000000000 dead000000000001
raw: 0000000000000000 0000000080020002 00000001fdffffff 0000000000000000
head: 00fff00000000040 ffff88801ac42280 0000000000000000 dead000000000001
head: 0000000000000000 0000000080020002 00000001fdffffff 0000000000000000
head: 00fff00000000003 ffffea0001f24601 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 0x52820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 4968, tgid 4968 (ssh-keygen), ts 70783599515, free_ts 70769431604
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1500
 prep_new_page mm/page_alloc.c:1508 [inline]
 get_page_from_freelist+0x1351/0x2e50 mm/page_alloc.c:3446
 __alloc_pages_noprof+0x22b/0x2460 mm/page_alloc.c:4702
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x4e/0xf0 mm/slub.c:2325
 allocate_slab mm/slub.c:2488 [inline]
 new_slab+0x84/0x260 mm/slub.c:2541
 ___slab_alloc+0xdac/0x1870 mm/slub.c:3727
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3817
 __slab_alloc_node mm/slub.c:3870 [inline]
 slab_alloc_node mm/slub.c:4029 [inline]
 __kmalloc_cache_noprof+0x2b4/0x300 mm/slub.c:4188
 kmalloc_noprof include/linux/slab.h:681 [inline]
 audit_log_d_path+0xce/0x1e0 kernel/audit.c:2148
 dump_common_audit_data security/lsm_audit.c:237 [inline]
 common_lsm_audit+0x3d3/0x2220 security/lsm_audit.c:458
 slow_avc_audit+0x17d/0x210 security/selinux/avc.c:781
 avc_audit security/selinux/include/avc.h:127 [inline]
 avc_has_perm+0x18d/0x1c0 security/selinux/avc.c:1199
 file_has_perm+0x1d0/0x360 security/selinux/hooks.c:1744
 match_file+0xdd/0x150 security/selinux/hooks.c:2416
 iterate_fd fs/file.c:1449 [inline]
 iterate_fd+0x119/0x390 fs/file.c:1435
 flush_unauthorized_files security/selinux/hooks.c:2453 [inline]
 selinux_bprm_committing_creds+0x295/0x730 security/selinux/hooks.c:2482
page last free pid 4892 tgid 4892 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1101 [inline]
 free_unref_page+0x64a/0xe40 mm/page_alloc.c:2619
 __put_partials+0x14c/0x170 mm/slub.c:3055
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:322
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3992 [inline]
 slab_alloc_node mm/slub.c:4041 [inline]
 __do_kmalloc_node mm/slub.c:4161 [inline]
 __kmalloc_noprof+0x199/0x400 mm/slub.c:4174
 kmalloc_noprof include/linux/slab.h:685 [inline]
 tomoyo_realpath_from_path+0xb9/0x720 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_number_perm+0x245/0x590 security/tomoyo/file.c:723
 security_file_ioctl+0x75/0xc0 security/security.c:2791
 __do_sys_ioctl fs/ioctl.c:901 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0xbb/0x220 fs/ioctl.c:893
 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

Memory state around the buggy address:
 ffff88807c91bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88807c91bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88807c91c000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88807c91c080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807c91c100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================