Unable to handle kernel paging request at virtual address dfff80000000000c
KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0
[dfff80000000000c] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 7550 Comm: syz.6.543 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 834000c5 (Nzcv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : dummy_enable+0x178/0x9a4 drivers/usb/gadget/udc/dummy_hcd.c:526
lr : gadget_to_dummy_hcd drivers/usb/gadget/udc/dummy_hcd.c:317 [inline]
lr : dummy_enable+0x144/0x9a4 drivers/usb/gadget/udc/dummy_hcd.c:525
sp : ffff800094e678e0
x29: ffff800094e67900 x28: 1fffe00018f5801b x27: 1fffe00018f5801d
x26: ffff0000c7ac00d8 x25: ffff0000c7ac0c00 x24: 1fffe00018f5818e
x23: dfff800000000000 x22: 0000000000000060 x21: ffff8000873320c0
x20: ffff0000f13b1cc0 x19: ffff0000c7ac00e0 x18: 00000000ffffffff
x17: ffff80008a791000 x16: 0000000000000004 x15: ffff80008a31ada0
x14: ffff80008a590e28 x13: 0000000000000001 x12: 0000000000000004
x11: ffff7000129ccf1c x10: 0000000000080000 x9 : 00000000000006a8
x8 : 000000000000000c x7 : ffff8000836ddfec x6 : 0000000000000000
x5 : 0000000000000030 x4 : 0000000000000000 x3 : ffff8000835b67f0
x2 : 0000000000000002 x1 : ffff0000f264d7c0 x0 : 0000000000000000
Call trace:
 dummy_enable+0x178/0x9a4 drivers/usb/gadget/udc/dummy_hcd.c:526 (P)
 usb_ep_enable+0xf4/0x608 drivers/usb/gadget/udc/core.c:131
 ep_config+0x3d0/0x57c drivers/usb/gadget/legacy/inode.c:799
 ep_write_iter+0x38c/0x418 drivers/usb/gadget/legacy/inode.c:681
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x51c/0xa0c fs/read_write.c:687
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:747
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
Code: 97579764 f94002c8 91018116 d343fec8 (38f76908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97579764 	bl	0xfffffffffd5e5d90
   4:	f94002c8 	ldr	x8, [x22]
   8:	91018116 	add	x22, x8, #0x60
   c:	d343fec8 	lsr	x8, x22, #3
* 10:	38f76908 	ldrsb	w8, [x8, x23] <-- trapping instruction