Unable to handle kernel paging request at virtual address dfff80000000000b
Mem abort info:
ESR = 0x0000000096000006
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x06: level 2 translation fault
Data abort info:
ISV = 0, ISS = 0x00000006
CM = 0, WnR = 0
[dfff80000000000b] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5714 Comm: syz-executor Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : klist_put lib/klist.c:212 [inline]
pc : klist_del lib/klist.c:230 [inline]
pc : klist_remove+0x190/0x38c lib/klist.c:249
lr : spin_unlock include/linux/spinlock.h:403 [inline]
lr : klist_remove+0x16c/0x38c lib/klist.c:247
sp : ffff800020227720
x29: ffff8000202277c0 x28: dfff800000000000 x27: 1fffe00019a6d0c9
x26: ffff0000cbf78000 x25: dfff800000000000 x24: ffff700004044ee4
x23: ffff800015351ba8 x22: 1fffe0001cfdad0c x21: 0000000000000000
x20: ffff800020227740 x19: ffff0000e7ed6860 x18: ffff800020227400
x17: 0000000000000000 x16: ffff80000824ec08 x15: 000000000003dd84
x14: 00000000673e7c72 x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000000001 x10: 0000000000000000 x9 : 1fffe000197ef001
x8 : 000000000000000b x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff800017a81dc0 x4 : 0000000000000008 x3 : ffff800008305a14
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000058
Call trace:
klist_put lib/klist.c:212 [inline]
klist_del lib/klist.c:230 [inline]
klist_remove+0x190/0x38c lib/klist.c:249
device_move+0x17c/0x5c8 drivers/base/core.c:4338
hci_conn_del_sysfs+0xa0/0x154 net/bluetooth/hci_sysfs.c:73
hci_conn_cleanup+0x424/0x5b8 net/bluetooth/hci_conn.c:140
hci_conn_del+0x238/0x378 net/bluetooth/hci_conn.c:678
hci_conn_hash_flush+0x188/0x220 net/bluetooth/hci_conn.c:1623
hci_dev_do_close+0x7e4/0x1060 net/bluetooth/hci_core.c:1795
hci_unregister_dev+0x248/0x4d4 net/bluetooth/hci_core.c:4040
vhci_release+0x74/0xc4 drivers/bluetooth/hci_vhci.c:345
__fput+0x1c4/0x800 fs/file_table.c:280
____fput+0x20/0x30 fs/file_table.c:308
task_work_run+0x130/0x1e4 kernel/task_work.c:188
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0x670/0x20bc kernel/exit.c:874
do_group_exit+0x110/0x268 kernel/exit.c:996
__do_sys_exit_group kernel/exit.c:1007 [inline]
__se_sys_exit_group kernel/exit.c:1005 [inline]
__wake_up_parent+0x0/0x60 kernel/exit.c:1005
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: f9400268 927ff915 910162a0 d343fc08 (38796908)
---[ end trace 482cdce3c3fa3f18 ]---
----------------
Code disassembly (best guess):
0: f9400268 ldr x8, [x19]
4: 927ff915 and x21, x8, #0xfffffffffffffffe
8: 910162a0 add x0, x21, #0x58
c: d343fc08 lsr x8, x0, #3
* 10: 38796908 ldrb w8, [x8, x25] <-- trapping instruction