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BUG: KASAN: global-out-of-bounds in dev_driver_string drivers/base/core.c:2472 [inline]
BUG: KASAN: global-out-of-bounds in __dev_printk+0x7d/0x190 drivers/base/core.c:5020
Read of size 8 at addr ffffffff8d0ecf68 by task kworker/0:7/26354

CPU: 0 UID: 0 PID: 26354 Comm: kworker/0:7 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
Workqueue: events request_firmware_work_func
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 dev_driver_string drivers/base/core.c:2472 [inline]
 __dev_printk+0x7d/0x190 drivers/base/core.c:5020
 _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 kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 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>

The buggy address belongs to the variable:
 .str.4+0x28/0x40

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xd0ec
flags: 0xfff00000002000(reserved|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002000 ffffea0000343b08 ffffea0000343b08 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)

Memory state around the buggy address:
 ffffffff8d0ece00: f9 f9 f9 f9 00 00 00 00 00 00 02 f9 f9 f9 f9 f9
 ffffffff8d0ece80: 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 00 06 f9 f9
>ffffffff8d0ecf00: 00 00 01 f9 f9 f9 f9 f9 00 00 00 03 f9 f9 f9 f9
                                                          ^
 ffffffff8d0ecf80: 01 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00
 ffffffff8d0ed000: 00 00 00 00 00 05 f9 f9 f9 f9 f9 f9 00 00 00 00
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