Bluetooth: hci7: Controller not accepting commands anymore: ncmd = 0
Bluetooth: hci7: Injecting HCI hardware error event
Bluetooth: hci7: hardware error 0x00
==================================================================
BUG: KASAN: slab-use-after-free in hci_conn_hash_flush+0x1f9/0x230
Read of size 8 at addr ffff8880205fe000 by task kworker/u5:7/857
CPU: 0 PID: 857 Comm: kworker/u5:7 Not tainted 6.3.0-rc5-next-20230406 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci7 hci_error_reset
Call Trace:
dump_stack_lvl+0x91/0xf0
print_report+0xcc/0x620
kasan_report+0xc0/0xf0
hci_conn_hash_flush+0x1f9/0x230
hci_dev_close_sync+0x57f/0xff0
hci_error_reset+0xab/0x140
process_one_work+0xa20/0x1660
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
Allocated by task 9892:
kasan_save_stack+0x22/0x50
kasan_set_track+0x25/0x30
__kasan_kmalloc+0x7f/0x90
hci_conn_add+0xa3/0x1470
hci_connect_sco+0x422/0x9d0
sco_sock_connect+0x2c0/0x9c0
__sys_connect_file+0x159/0x1a0
__sys_connect+0x169/0x1a0
__x64_sys_connect+0x73/0xb0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
Freed by task 857:
kasan_save_stack+0x22/0x50
kasan_set_track+0x25/0x30
kasan_save_free_info+0x2e/0x50
__kasan_slab_free+0x10a/0x190
__kmem_cache_free+0xd1/0x2f0
device_release+0xa6/0x240
kobject_put+0x177/0x270
put_device+0x1f/0x30
hci_conn_del+0x28f/0x940
hci_conn_del+0x6cf/0x940
hci_conn_hash_flush+0x195/0x230
hci_dev_close_sync+0x57f/0xff0
hci_error_reset+0xab/0x140
process_one_work+0xa20/0x1660
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
Last potentially related work creation:
kasan_save_stack+0x22/0x50
__kasan_record_aux_stack+0x95/0xb0
__queue_work+0x622/0x12f0
__queue_delayed_work+0x1c8/0x270
queue_delayed_work_on+0xcd/0xd0
sco_chan_del+0x1db/0x440
__sco_sock_close+0x21e/0x770
sco_sock_release+0xa1/0x400
__sock_release+0xd2/0x2a0
sock_close+0x1c/0x30
__fput+0x263/0xa40
task_work_run+0x174/0x280
get_signal+0x1d3/0x26c0
arch_do_signal_or_restart+0x79/0x590
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
Second to last potentially related work creation:
kasan_save_stack+0x22/0x50
__kasan_record_aux_stack+0x95/0xb0
__queue_work+0x622/0x12f0
__queue_delayed_work+0x1c8/0x270
queue_delayed_work_on+0xcd/0xd0
sco_chan_del+0x1db/0x440
__sco_sock_close+0x21e/0x770
sco_sock_release+0xa1/0x400
__sock_release+0xd2/0x2a0
sock_close+0x1c/0x30
__fput+0x263/0xa40
task_work_run+0x174/0x280
get_signal+0x1d3/0x26c0
arch_do_signal_or_restart+0x79/0x590
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
The buggy address belongs to the object at ffff8880205fe000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 0 bytes inside of
freed 4096-byte region [ffff8880205fe000, ffff8880205ff000)
The buggy address belongs to the physical page:
page:00000000566585df refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x205f8
head:00000000566585df order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x100000000010200(slab|head|node=0|zone=1)
page_type: 0xffffffff()
raw: 0100000000010200 ffff888008442140 ffffea0000e55400 dead000000000002
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8880205fdf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8880205fdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8880205fe000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880205fe080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880205fe100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
general protection fault, probably for non-canonical address 0xe0a43c5ee000006b: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x052202f700000358-0x052202f70000035f]
CPU: 0 PID: 857 Comm: kworker/u5:7 Tainted: G B 6.3.0-rc5-next-20230406 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci7 hci_error_reset
RIP: 0010:hci_conn_cleanup+0x1c5/0x780
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ef 04 00 00 48 89 da 49 89 5c 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 04 00 00 48 b8 22 01 00 00 00 00 ad de 4c 89
RSP: 0018:ffff888036da7b60 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 052202f700000359 RCX: ffffffff83d9a9a3
RDX: 00a4405ee000006b RSI: 0000000000000008 RDI: ffff888015b23988
RBP: ffff8880205fe000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888015b23980
R13: ffff8880205fe260 R14: dffffc0000000000 R15: ffff888018084000
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555b38c58 CR3: 000000000dbec000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
hci_conn_del+0x28f/0x940
hci_conn_hash_flush+0x195/0x230
hci_dev_close_sync+0x57f/0xff0
hci_error_reset+0xab/0x140
process_one_work+0xa20/0x1660
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hci_conn_cleanup+0x1c5/0x780
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ef 04 00 00 48 89 da 49 89 5c 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 04 00 00 48 b8 22 01 00 00 00 00 ad de 4c 89
RSP: 0018:ffff888036da7b60 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 052202f700000359 RCX: ffffffff83d9a9a3
RDX: 00a4405ee000006b RSI: 0000000000000008 RDI: ffff888015b23988
RBP: ffff8880205fe000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888015b23980
R13: ffff8880205fe260 R14: dffffc0000000000 R15: ffff888018084000
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555b38c58 CR3: 000000000dbec000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Bluetooth: hci6: Controller not accepting commands anymore: ncmd = 0
Bluetooth: hci6: Injecting HCI hardware error event
Bluetooth: hci6: hardware error 0x00
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
FAT-fs (loop1): bogus number of reserved sectors
FAT-fs (loop1): Can't find a valid FAT filesystem
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
Bluetooth: hci6: Opcode 0x c03 failed: -110
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
FAT-fs (loop1): bogus number of reserved sectors
FAT-fs (loop1): Can't find a valid FAT filesystem
FAT-fs (loop1): bogus number of reserved sectors
FAT-fs (loop1): Can't find a valid FAT filesystem
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=84420 comm=syz-executor.4
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=84639 comm=syz-executor.4
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=84650 comm=syz-executor.4
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=84666 comm=syz-executor.4
EXT4-fs: quotafile must be on filesystem root
loop2: detected capacity change from 0 to 2048
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
EXT4-fs: quotafile must be on filesystem root
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs: quotafile must be on filesystem root
EXT4-fs: quotafile must be on filesystem root
EXT4-fs: quotafile must be on filesystem root
loop2: detected capacity change from 0 to 2048
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
EXT4-fs: quotafile must be on filesystem root
EXT4-fs: quotafile must be on filesystem root
EXT4-fs: quotafile must be on filesystem root
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop2: detected capacity change from 0 to 2048
EXT4-fs: quotafile must be on filesystem root
EXT4-fs: quotafile must be on filesystem root
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
cgroup: Invalid name
cgroup: Invalid name
cgroup: Invalid name
cgroup: Invalid name
----------------
Code disassembly (best guess), 2 bytes skipped:
0: df 48 89 fisttps -0x77(%rax)
3: fa cli
4: 48 c1 ea 03 shr $0x3,%rdx
8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
c: 0f 85 ef 04 00 00 jne 0x501
12: 48 89 da mov %rbx,%rdx
15: 49 89 5c 24 08 mov %rbx,0x8(%r12)
1a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
21: fc ff df
24: 48 c1 ea 03 shr $0x3,%rdx
* 28: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2c: 0f 85 ab 04 00 00 jne 0x4dd
32: 48 b8 22 01 00 00 00 movabs $0xdead000000000122,%rax
39: 00 ad de
3c: 4c rex.WR
3d: 89 .byte 0x89