------------[ cut here ]------------ RTNL: assertion failed at ./include/net/netdev_lock.h (72) WARNING: CPU: 3 PID: 93 at ./include/net/netdev_lock.h:72 netdev_ops_assert_locked include/net/netdev_lock.h:72 [inline] WARNING: CPU: 3 PID: 93 at ./include/net/netdev_lock.h:72 __linkwatch_sync_dev+0x1ed/0x230 net/core/link_watch.c:279 Modules linked in: CPU: 3 UID: 0 PID: 93 Comm: kworker/u32:5 Not tainted 6.15.0-syzkaller-08486-gf66bc387efbe #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: bond0 bond_mii_monitor RIP: 0010:netdev_ops_assert_locked include/net/netdev_lock.h:72 [inline] RIP: 0010:__linkwatch_sync_dev+0x1ed/0x230 net/core/link_watch.c:279 Code: 05 ff ff ff e8 34 51 60 f8 c6 05 a9 e2 14 07 01 90 ba 48 00 00 00 48 c7 c6 00 6e c2 8c 48 c7 c7 a0 6d c2 8c e8 94 b1 1f f8 90 <0f> 0b 90 90 e9 d6 fe ff ff 48 c7 c7 24 a2 87 90 e8 ae e8 c5 f8 e9 RSP: 0018:ffffc9000100f9f0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888079872000 RCX: ffffffff817aa868 RDX: ffff88802104c880 RSI: ffffffff817aa875 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 1ffff92000201f48 R13: ffff888079872cc5 R14: ffffffff8c380760 R15: ffffffff89942630 FS: 0000000000000000(0000) GS:ffff888097a7f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f50d4da4 CR3: 000000007761f000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000004ed9ef46 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: ethtool_op_get_link+0x1d/0x70 net/ethtool/ioctl.c:63 bond_check_dev_link+0x3f9/0x710 drivers/net/bonding/bond_main.c:863 bond_miimon_inspect drivers/net/bonding/bond_main.c:2745 [inline] bond_mii_monitor+0x3c0/0x2dc0 drivers/net/bonding/bond_main.c:2967 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245