rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2643 jiffies s: 597 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.7.0-rc4-syzkaller-00853-g6e944cc68633 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Workqueue: events linkwatch_event RIP: 0010:check_region_inline mm/kasan/generic.c:172 [inline] RIP: 0010:kasan_check_range+0x1b/0x190 mm/kasan/generic.c:187 Code: 41 5c c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 66 0f 1f 00 48 85 f6 0f 84 48 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <0f> 82 c6 00 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 f8 0f 83 b3 RSP: 0018:ffffc900000d7bf0 EFLAGS: 00000096 RAX: ffff88801777e150 RBX: ffff88801777e000 RCX: ffffffff8876d7aa RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801777e148 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000003 R12: 00000000000000bc R13: ffff88801777e148 R14: ffff88801777e000 R15: ffff88801777e6b0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7d928c35c0 CR3: 0000000026add000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] netif_running include/linux/netdevice.h:3698 [inline] linkwatch_urgent_event+0x2a/0x380 net/core/link_watch.c:107 __linkwatch_run_queue+0xd8/0x460 net/core/link_watch.c:224 linkwatch_event+0x8f/0xc0 net/core/link_watch.c:273 process_one_work+0x886/0x15d0 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2781 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242