BUG: sleeping function called from invalid context at kernel/locking/mutex.c:585
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 52, name: kworker/u9:0
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
4 locks held by kworker/u9:0/52:
#0: ffff888018b58148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3193 [inline]
#0: ffff888018b58148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3299
#1: ffffc90000bc7d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3194 [inline]
#1: ffffc90000bc7d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3299
#2: ffff88807b768078 (&hdev->lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0xcf/0xae0 net/bluetooth/hci_event.c:6970
#3: ffffffff8e334ea0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#3: ffffffff8e334ea0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#3: ffffffff8e334ea0 (rcu_read_lock){....}-{1:2}, at: hci_le_create_big_complete_evt+0xdb/0xae0 net/bluetooth/hci_event.c:6971
CPU: 0 PID: 52 Comm: kworker/u9:0 Not tainted 6.9.0-rc2-next-20240405-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: hci0 hci_rx_work
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
__might_resched+0x5d4/0x780 kernel/sched/core.c:10197
__mutex_lock_common kernel/locking/mutex.c:585 [inline]
__mutex_lock+0xc1/0xd70 kernel/locking/mutex.c:752
hci_connect_cfm include/net/bluetooth/hci_core.h:2015 [inline]
hci_le_create_big_complete_evt+0x3d9/0xae0 net/bluetooth/hci_event.c:6995
hci_event_func net/bluetooth/hci_event.c:7555 [inline]
hci_event_packet+0xa53/0x1540 net/bluetooth/hci_event.c:7610
hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4185
process_one_work kernel/workqueue.c:3218 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299
worker_thread+0x86d/0xd70 kernel/workqueue.c:3380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
=============================
[ BUG: Invalid wait context ]
6.9.0-rc2-next-20240405-syzkaller #0 Tainted: G W
-----------------------------
kworker/u9:0/52 is trying to lock:
ffffffff8f73f868 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2015 [inline]
ffffffff8f73f868 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0x3d9/0xae0 net/bluetooth/hci_event.c:6995
other info that might help us debug this:
context-{4:4}
4 locks held by kworker/u9:0/52:
#0: ffff888018b58148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3193 [inline]
#0: ffff888018b58148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3299
#1: ffffc90000bc7d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3194 [inline]
#1: ffffc90000bc7d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3299
#2: ffff88807b768078 (&hdev->lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0xcf/0xae0 net/bluetooth/hci_event.c:6970
#3: ffffffff8e334ea0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#3: ffffffff8e334ea0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#3: ffffffff8e334ea0 (rcu_read_lock){....}-{1:2}, at: hci_le_create_big_complete_evt+0xdb/0xae0 net/bluetooth/hci_event.c:6971
stack backtrace:
CPU: 0 PID: 52 Comm: kworker/u9:0 Tainted: G W 6.9.0-rc2-next-20240405-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: hci0 hci_rx_work
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
print_lock_invalid_wait_context kernel/locking/lockdep.c:4751 [inline]
check_wait_context kernel/locking/lockdep.c:4821 [inline]
__lock_acquire+0x1507/0x1fd0 kernel/locking/lockdep.c:5087
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
__mutex_lock_common kernel/locking/mutex.c:608 [inline]
__mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752
hci_connect_cfm include/net/bluetooth/hci_core.h:2015 [inline]
hci_le_create_big_complete_evt+0x3d9/0xae0 net/bluetooth/hci_event.c:6995
hci_event_func net/bluetooth/hci_event.c:7555 [inline]
hci_event_packet+0xa53/0x1540 net/bluetooth/hci_event.c:7610
hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4185
process_one_work kernel/workqueue.c:3218 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299
worker_thread+0x86d/0xd70 kernel/workqueue.c:3380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
==================================================================
BUG: KASAN: slab-use-after-free in hci_le_create_big_complete_evt+0x383/0xae0
Read of size 8 at addr ffff888022e3c000 by task kworker/u9:0/52
CPU: 0 PID: 52 Comm: kworker/u9:0 Tainted: G W 6.9.0-rc2-next-20240405-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: hci0 hci_rx_work
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
hci_le_create_big_complete_evt+0x383/0xae0
hci_event_func net/bluetooth/hci_event.c:7555 [inline]
hci_event_packet+0xa53/0x1540 net/bluetooth/hci_event.c:7610
hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4185
process_one_work kernel/workqueue.c:3218 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299
worker_thread+0x86d/0xd70 kernel/workqueue.c:3380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Allocated by task 52:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
kmalloc_trace_noprof+0x19c/0x2b0 mm/slub.c:4109
kmalloc_noprof include/linux/slab.h:660 [inline]
kzalloc_noprof include/linux/slab.h:775 [inline]
hci_conn_add+0xc7/0x1440 net/bluetooth/hci_conn.c:915
hci_le_big_sync_established_evt+0x1cf/0xb90 net/bluetooth/hci_event.c:7036
hci_event_func net/bluetooth/hci_event.c:7555 [inline]
hci_event_packet+0xa53/0x1540 net/bluetooth/hci_event.c:7610
hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4185
process_one_work kernel/workqueue.c:3218 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299
worker_thread+0x86d/0xd70 kernel/workqueue.c:3380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Freed by task 52:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2190 [inline]
slab_free mm/slub.c:4393 [inline]
kfree+0x149/0x350 mm/slub.c:4514
device_release+0x99/0x1c0
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x22f/0x480 lib/kobject.c:737
hci_conn_cleanup net/bluetooth/hci_conn.c:177 [inline]
hci_conn_del+0x911/0xc90 net/bluetooth/hci_conn.c:1129
hci_le_create_big_complete_evt+0x619/0xae0 net/bluetooth/hci_event.c:6997
hci_event_func net/bluetooth/hci_event.c:7555 [inline]
hci_event_packet+0xa53/0x1540 net/bluetooth/hci_event.c:7610
hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4185
process_one_work kernel/workqueue.c:3218 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299
worker_thread+0x86d/0xd70 kernel/workqueue.c:3380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
The buggy address belongs to the object at ffff888022e3c000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 0 bytes inside of
freed 8192-byte region [ffff888022e3c000, ffff888022e3e000)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x22e38
head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff80000000040(head|node=0|zone=1|lastcpupid=0xfff)
page_type: 0xffffefff(slab)
raw: 00fff80000000040 ffff888015042280 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080020002 00000001ffffefff 0000000000000000
head: 00fff80000000040 ffff888015042280 dead000000000122 0000000000000000
head: 0000000000000000 0000000080020002 00000001ffffefff 0000000000000000
head: 00fff80000000003 ffffea00008b8e01 ffffea00008b8e48 00000000ffffffff
head: 0000000800000000 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 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5079, tgid 126211378 (strace-static-x), ts 5079, free_ts 55959308873
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1490
prep_new_page mm/page_alloc.c:1498 [inline]
get_page_from_freelist+0x2e7e/0x2f40 mm/page_alloc.c:3454
__alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4712
__alloc_pages_node_noprof include/linux/gfp.h:244 [inline]
alloc_pages_node_noprof include/linux/gfp.h:271 [inline]
alloc_slab_page+0x5f/0x120 mm/slub.c:2259
allocate_slab+0x5a/0x2e0 mm/slub.c:2422
new_slab mm/slub.c:2475 [inline]
___slab_alloc+0xcd1/0x14b0 mm/slub.c:3624
__slab_alloc+0x58/0xa0 mm/slub.c:3714
__slab_alloc_node mm/slub.c:3767 [inline]
slab_alloc_node mm/slub.c:3945 [inline]
kmalloc_trace_noprof+0x1d5/0x2b0 mm/slub.c:4104
kmalloc_noprof include/linux/slab.h:660 [inline]
kzalloc_noprof include/linux/slab.h:775 [inline]
tomoyo_print_bprm security/tomoyo/audit.c:26 [inline]
tomoyo_init_log+0x11ce/0x2050 security/tomoyo/audit.c:264
tomoyo_supervisor+0x38a/0x11f0 security/tomoyo/common.c:2089
tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline]
tomoyo_env_perm+0x178/0x210 security/tomoyo/environ.c:63
tomoyo_environ security/tomoyo/domain.c:672 [inline]
tomoyo_find_next_domain+0x1384/0x1cf0 security/tomoyo/domain.c:878
tomoyo_bprm_check_security+0x115/0x180 security/tomoyo/tomoyo.c:102
security_bprm_check+0x65/0x90 security/security.c:1191
search_binary_handler fs/exec.c:1777 [inline]
exec_binprm fs/exec.c:1831 [inline]
bprm_execve+0xa56/0x17c0 fs/exec.c:1883
do_execveat_common+0x553/0x700 fs/exec.c:1990
page last free pid 5079 tgid 5079 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1110 [inline]
free_unref_page+0xd3c/0xec0 mm/page_alloc.c:2617
__slab_free+0x31b/0x3d0 mm/slub.c:4304
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3897 [inline]
slab_alloc_node mm/slub.c:3957 [inline]
kmalloc_trace_noprof+0x132/0x2b0 mm/slub.c:4104
kmalloc_noprof include/linux/slab.h:660 [inline]
kzalloc_noprof include/linux/slab.h:775 [inline]
tomoyo_print_bprm security/tomoyo/audit.c:26 [inline]
tomoyo_init_log+0x11ce/0x2050 security/tomoyo/audit.c:264
tomoyo_supervisor+0x38a/0x11f0 security/tomoyo/common.c:2089
tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline]
tomoyo_env_perm+0x178/0x210 security/tomoyo/environ.c:63
tomoyo_environ security/tomoyo/domain.c:672 [inline]
tomoyo_find_next_domain+0x1384/0x1cf0 security/tomoyo/domain.c:878
tomoyo_bprm_check_security+0x115/0x180 security/tomoyo/tomoyo.c:102
security_bprm_check+0x65/0x90 security/security.c:1191
search_binary_handler fs/exec.c:1777 [inline]
exec_binprm fs/exec.c:1831 [inline]
bprm_execve+0xa56/0x17c0 fs/exec.c:1883
do_execveat_common+0x553/0x700 fs/exec.c:1990
do_execve fs/exec.c:2064 [inline]
__do_sys_execve fs/exec.c:2140 [inline]
__se_sys_execve fs/exec.c:2135 [inline]
__x64_sys_execve+0x92/0xb0 fs/exec.c:2135
do_syscall_64+0xfb/0x240
Memory state around the buggy address:
ffff888022e3bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888022e3bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888022e3c000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888022e3c080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888022e3c100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================