-------- ------------[ cut here ]------------ RTNL: assertion failed at ./include/net/netdev_lock.h (56) WARNING: CPU: 1 PID: 855 at ./include/net/netdev_lock.h:56 netdev_ops_assert_locked include/net/netdev_lock.h:56 [inline] WARNING: CPU: 1 PID: 855 at ./include/net/netdev_lock.h:56 __linkwatch_sync_dev+0x2d8/0x314 net/core/link_watch.c:279 Modules linked in: CPU: 1 UID: 0 PID: 855 Comm: kworker/u8:13 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: bond0 bond_mii_monitor pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : netdev_ops_assert_locked include/net/netdev_lock.h:56 [inline] pc : __linkwatch_sync_dev+0x2d8/0x314 net/core/link_watch.c:279 lr : netdev_ops_assert_locked include/net/netdev_lock.h:56 [inline] lr : __linkwatch_sync_dev+0x2d8/0x314 net/core/link_watch.c:279 sp : ffff80009da17670 x29: ffff80009da17670 x28: ffff80008c4c2220 x27: 1fffe0001e17f801 x26: dfff800000000000 x25: ffff700013b42ee0 x24: dfff800000000000 x23: ffff0000f0bfc2e8 x22: ffff80008c4c2d20 x21: 0000000000000000 x20: ffff80009282c000 x19: ffff0000f0bfc000 x18: 00000000ffffffff x17: 0000000000000000 x16: ffff80008adbe9e4 x15: 0000000000000001 x14: 1fffe0003386f2e2 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60003386f2e3 x10: 0000000000ff0100 x9 : 1030462411b96800 x8 : 1030462411b96800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009da16fb8 x4 : ffff80008f415ba0 x3 : ffff8000807b4b68 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: netdev_ops_assert_locked include/net/netdev_lock.h:56 [inline] (P) __linkwatch_sync_dev+0x2d8/0x314 net/core/link_watch.c:279 (P) ethtool_op_get_link+0x20/0x68 net/ethtool/ioctl.c:63 bond_check_dev_link+0x338/0x560 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x3a0/0x2658 drivers/net/bonding/bond_main.c:2961 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 irq event stamp: 2420776 hardirqs last enabled at (2420775): [] __up_console_sem kernel/printk/printk.c:344 [inline] hardirqs last enabled at (2420775): [] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2885 hardirqs last disabled at (2420776): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (2420748): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (2420748): [] batadv_nc_purge_paths+0x2f4/0x37c net/batman-adv/network-coding.c:471 softirqs last disabled at (2420746): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (2420746): [] batadv_nc_purge_paths+0xd0/0x37c net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- bond0: (slave bond_slave_0): link status definitely up, 10000 Mbps full duplex bond0: (slave bond_slave_1): link status definitely up, 10000 Mbps full duplex bond0: (slave netdevsim0): link status definitely up, 0 Mbps full duplex bond0: active interface up!