bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state ================================================================== 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/0x2040 kernel/locking/lockdep.c:5112 Read of size 8 at addr 1fffffff90606c70 by task kworker/u8:3/53 CPU: 1 UID: 0 PID: 53 Comm: kworker/u8:3 Not tainted 6.11.0-rc7-syzkaller-00097-g196145c606d0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 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/0x2040 kernel/locking/lockdep.c:5112 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759 __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 netpoll_poll_disable+0x10a/0x1d0 net/core/netpoll.c:228 __dev_close_many+0x107/0x300 net/core/dev.c:1530 dev_close_many+0x24e/0x4c0 net/core/dev.c:1583 unregister_netdevice_many_notify+0x50b/0x1c40 net/core/dev.c:11327 cleanup_net+0x75d/0xcc0 net/core/net_namespace.c:635 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x870/0xd30 kernel/workqueue.c:3393 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 ==================================================================