------------[ cut here ]------------ RTNL: assertion failed at ./include/net/netdev_lock.h (56) WARNING: CPU: 0 PID: 3570 at ./include/net/netdev_lock.h:56 netdev_ops_assert_locked include/net/netdev_lock.h:56 [inline] WARNING: CPU: 0 PID: 3570 at ./include/net/netdev_lock.h:56 __linkwatch_sync_dev+0x303/0x350 net/core/link_watch.c:279 Modules linked in: CPU: 0 UID: 0 PID: 3570 Comm: kworker/u8:10 Not tainted 6.15.0-rc4-syzkaller-gb4432656b36e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Workqueue: bond0 bond_mii_monitor RIP: 0010:netdev_ops_assert_locked include/net/netdev_lock.h:56 [inline] RIP: 0010:__linkwatch_sync_dev+0x303/0x350 net/core/link_watch.c:279 Code: 7c fe ff ff e8 7e 5a 77 f8 c6 05 cc 6e 20 06 01 90 48 c7 c7 40 ab 70 8c 48 c7 c6 e8 06 79 8d ba 38 00 00 00 e8 2e b8 3b f8 90 <0f> 0b 90 90 e9 4d fe ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 22 fd ff RSP: 0018:ffffc9000c597710 EFLAGS: 00010246 RAX: 6df64d3565309800 RBX: ffff88805ed5e000 RCX: ffff8880309c0000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: 1ffff1100bdabc5d R13: dffffc0000000000 R14: ffffffff8bfa9408 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba4d917a8c CR3: 0000000011bce000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ethtool_op_get_link+0x15/0x70 net/ethtool/ioctl.c:63 bond_check_dev_link+0x444/0x6c0 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x428/0x2e00 drivers/net/bonding/bond_main.c:2961 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245