------------[ cut here ]------------ RTNL: assertion failed at ./include/net/netdev_lock.h (56) WARNING: CPU: 3 PID: 217 at ./include/net/netdev_lock.h:56 netdev_ops_assert_locked include/net/netdev_lock.h:56 [inline] WARNING: CPU: 3 PID: 217 at ./include/net/netdev_lock.h:56 __linkwatch_sync_dev+0x1ed/0x230 net/core/link_watch.c:279 Modules linked in: CPU: 3 UID: 0 PID: 217 Comm: kworker/u32:5 Not tainted 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #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:56 [inline] RIP: 0010:__linkwatch_sync_dev+0x1ed/0x230 net/core/link_watch.c:279 Code: 05 ff ff ff e8 34 f9 6b f8 c6 05 67 dd 1e 07 01 90 ba 38 00 00 00 48 c7 c6 e0 51 c1 8c 48 c7 c7 80 51 c1 8c e8 24 da 2b f8 90 <0f> 0b 90 90 e9 d6 fe ff ff 48 c7 c7 94 3e 85 90 e8 fe 7a d0 f8 e9 RSP: 0018:ffffc90002dafa00 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88805cb4a000 RCX: ffffffff817a7f78 RDX: ffff888021a8c880 RSI: ffffffff817a7f85 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff920005b5f4a R13: ffff88805cb4acc5 R14: ffffffff8c3729a0 R15: ffffffff89872250 FS: 0000000000000000(0000) GS:ffff888097aec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f7fa55c0 CR3: 000000000e180000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 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:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x3c0/0x2dc0 drivers/net/bonding/bond_main.c:2961 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245