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BUG: KASAN: use-after-free in netdev_need_ops_lock include/net/netdev_lock.h:30 [inline]
BUG: KASAN: use-after-free in netdev_unlock_ops include/net/netdev_lock.h:47 [inline]
BUG: KASAN: use-after-free in __linkwatch_run_queue+0x4e4/0x7f8 net/core/link_watch.c:245
Read of size 8 at addr ffff0000f7774b88 by task kworker/u8:6/2209

CPU: 0 UID: 0 PID: 2209 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events_unbound linkwatch_event
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 print_address_description+0xa8/0x238 mm/kasan/report.c:378
 print_report+0x68/0x84 mm/kasan/report.c:482
 kasan_report+0xb0/0x110 mm/kasan/report.c:595
 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381
 netdev_need_ops_lock include/net/netdev_lock.h:30 [inline]
 netdev_unlock_ops include/net/netdev_lock.h:47 [inline]
 __linkwatch_run_queue+0x4e4/0x7f8 net/core/link_watch.c:245
 linkwatch_event+0x58/0x68 net/core/link_watch.c:304
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff0000f7777a80 pfn:0x137774
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000000 fffffdffc3dddc08 ffff00019bbcd680 0000000000000000
raw: ffff0000f7777a80 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000f7774a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000f7774b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff0000f7774b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff0000f7774c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000f7774c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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