================================================================== BUG: KASAN: wild-memory-access in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: wild-memory-access in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] BUG: KASAN: wild-memory-access in __lock_acquire+0xc8b/0x2050 kernel/locking/lockdep.c:5172 Read of size 8 at addr 1fffffff8c96cc10 by task kworker/1:2/969 CPU: 1 UID: 0 PID: 969 Comm: kworker/1:2 Not tainted 6.12.0-rc4-syzkaller-00971-gd30b56c8666d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events cfg80211_rfkill_block_work Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_report+0xe8/0x550 mm/kasan/report.c:491 kasan_report+0x143/0x180 mm/kasan/report.c:601 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] __lock_acquire+0xc8b/0x2050 kernel/locking/lockdep.c:5172 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 down+0x39/0xc0 kernel/locking/semaphore.c:59 __dev_close_many+0x107/0x300 net/core/dev.c:1532 dev_close_many+0x24e/0x4c0 net/core/dev.c:1585 dev_close+0x1c0/0x2c0 net/core/dev.c:1611 cfg80211_shutdown_all_interfaces+0xbb/0x1d0 net/wireless/core.c:280 cfg80211_rfkill_set_block net/wireless/core.c:312 [inline] cfg80211_rfkill_block_work+0x21/0x30 net/wireless/core.c:324 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ==================================================================