Oops: general protection fault, probably for non-canonical address 0xef21dc0008025865: 0000 [#1] SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0x790f00004012c328-0x790f00004012c32f]
CPU: 1 UID: 0 PID: 5690 Comm: kworker/1:5 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events request_firmware_work_func
RIP: 0010:dev_driver_string drivers/base/core.c:2472 [inline]
RIP: 0010:__dev_printk+0x6e/0x190 drivers/base/core.c:5020
Code: 00 fc ff df 49 ff c7 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 16 01 00 00 41 0f b6 2f 4d 8d 7e 68 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 03 da 89 fc 4d 8b 3f 4d 85 ff 75
RSP: 0018:ffffc900052d78c8 EFLAGS: 00010207
RAX: 0f21e00008025865 RBX: ffffc900052d7960 RCX: 000000008be52301
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000033 R08: ffffc900052d7997 R09: 0000000000000000
R10: ffffc900052d7980 R11: fffff52000a5af33 R12: ffffc900052d7940
R13: dffffc0000000000 R14: 790f00004012c2c7 R15: 790f00004012c32f
FS:  0000000000000000(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2b8fbb1000 CR3: 000000003af02000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 _dev_err+0x11e/0x180 drivers/base/core.c:5062
 uea_upload_pre_firmware+0xd8/0x640 drivers/usb/atm/ueagle-atm.c:-1
 request_firmware_work_func+0xf7/0x2d0 drivers/base/firmware_loader/main.c:1164
 process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379
 process_scheduled_works kernel/workqueue.c:3462 [inline]
 worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	49 ff c7             	inc    %r15
   3:	4c 89 f8             	mov    %r15,%rax
   6:	48 c1 e8 03          	shr    $0x3,%rax
   a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
   f:	84 c0                	test   %al,%al
  11:	0f 85 16 01 00 00    	jne    0x12d
  17:	41 0f b6 2f          	movzbl (%r15),%ebp
  1b:	4d 8d 7e 68          	lea    0x68(%r14),%r15
  1f:	4c 89 f8             	mov    %r15,%rax
  22:	48 c1 e8 03          	shr    $0x3,%rax
* 26:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2b:	74 08                	je     0x35
  2d:	4c 89 ff             	mov    %r15,%rdi
  30:	e8 03 da 89 fc       	call   0xfc89da38
  35:	4d 8b 3f             	mov    (%r15),%r15
  38:	4d 85 ff             	test   %r15,%r15
  3b:	75                   	.byte 0x75