Bluetooth: hci1: Controller not accepting commands anymore: ncmd = 0
Bluetooth: hci1: Injecting HCI hardware error event
Bluetooth: hci1: hardware error 0x00
==================================================================
BUG: KASAN: slab-use-after-free in hci_conn_hash_flush+0x1f9/0x230
Read of size 8 at addr ffff888038aa8000 by task kworker/u5:1/280
CPU: 1 PID: 280 Comm: kworker/u5:1 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: hci1 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 7014:
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 280:
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
The buggy address belongs to the object at ffff888038aa8000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 0 bytes inside of
freed 4096-byte region [ffff888038aa8000, ffff888038aa9000)
The buggy address belongs to the physical page:
page:0000000047bb30df refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x38aa8
head:0000000047bb30df order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0x100000000010200(slab|head|node=0|zone=1)
page_type: 0xffffffff()
raw: 0100000000010200 ffff888008442140 0000000000000000 dead000000000001
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888038aa7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff888038aa7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888038aa8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888038aa8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888038aa8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
general protection fault, probably for non-canonical address 0xe0f67c5a40000023: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x07b402d200000118-0x07b402d20000011f]
CPU: 1 PID: 280 Comm: kworker/u5:1 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: hci1 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:ffff88803cbc7b60 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 07b402d200000118 RCX: ffffffff83d9a9a3
RDX: 00f6805a40000023 RSI: 0000000000000008 RDI: ffff8880427edd18
RBP: ffff888038aa8000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880427edd10
R13: ffff888038aa8260 R14: dffffc0000000000 R15: ffff8880435f0000
FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005620f323fbf0 CR3: 000000000e65c000 CR4: 0000000000350ee0
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:ffff88803cbc7b60 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 07b402d200000118 RCX: ffffffff83d9a9a3
RDX: 00f6805a40000023 RSI: 0000000000000008 RDI: ffff8880427edd18
RBP: ffff888038aa8000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880427edd10
R13: ffff888038aa8260 R14: dffffc0000000000 R15: ffff8880435f0000
FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005620f323fbf0 CR3: 000000000e65c000 CR4: 0000000000350ee0
Bluetooth: hci1: command 0x0406 tx timeout
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 14193 Comm: syz-executor.3 Tainted: G B D 6.3.0-rc5-next-20230406 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xc1/0xf0
should_fail_ex+0x4b4/0x5b0
strncpy_from_user+0x38/0x3f0
getname_flags.part.0+0x95/0x4f0
getname+0x92/0xe0
do_sys_openat2+0xf9/0x4c0
__x64_sys_openat+0x143/0x200
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fda6819eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fda65714188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fda682b1f60 RCX: 00007fda6819eb19
RDX: 0000000000000000 RSI: 0000000020000680 RDI: ffffffffffffff9c
RBP: 00007fda657141d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe843ad82f R14: 00007fda65714300 R15: 0000000000022000
Invalid ELF header type: 3 != 1
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 14210 Comm: syz-executor.3 Tainted: G B D 6.3.0-rc5-next-20230406 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xc1/0xf0
should_fail_ex+0x4b4/0x5b0
should_failslab+0x9/0x20
kmem_cache_alloc+0x5a/0x390
__alloc_file+0x21/0x240
alloc_empty_file+0x71/0x190
path_openat+0xd8/0x2750
do_filp_open+0x1ba/0x410
do_sys_openat2+0x171/0x4c0
__x64_sys_openat+0x143/0x200
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fda6819eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fda65714188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fda682b1f60 RCX: 00007fda6819eb19
RDX: 0000000000000000 RSI: 0000000020000680 RDI: ffffffffffffff9c
RBP: 00007fda657141d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe843ad82f R14: 00007fda65714300 R15: 0000000000022000
Invalid ELF header type: 3 != 1
----------------
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