------------[ cut here ]------------ RTNL: assertion failed at net/core/link_watch.c (55) WARNING: CPU: 0 PID: 61 at net/core/link_watch.c:55 default_operstate net/core/link_watch.c:55 [inline] WARNING: CPU: 0 PID: 61 at net/core/link_watch.c:55 rfc2863_policy+0x319/0x3b0 net/core/link_watch.c:72 Modules linked in: CPU: 0 UID: 0 PID: 61 Comm: kworker/u8:4 Not tainted 6.13.0-rc3-syzkaller-00180-g4f619d518db9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: bond0 bond_mii_monitor RIP: 0010:default_operstate net/core/link_watch.c:55 [inline] RIP: 0010:rfc2863_policy+0x319/0x3b0 net/core/link_watch.c:72 Code: e8 fd ff ff e8 e8 37 02 f8 c6 05 9b 80 66 06 01 90 48 c7 c7 00 7f 0c 8d 48 c7 c6 60 7f 0c 8d ba 37 00 00 00 e8 88 db c2 f7 90 <0f> 0b 90 90 e9 40 ff ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc9000213f790 EFLAGS: 00010246 RAX: e09ee25d2044dd00 RBX: 0000000000000000 RCX: ffff88801d6e3c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000020 R08: ffffffff81601a42 R09: fffffbfff1cfa210 R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: dffffc0000000000 R13: ffff88807e36a000 R14: ffff88807e36a000 R15: 1ffff1100fc6d415 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f94dc2a56c0 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: linkwatch_do_dev+0x3e/0x170 net/core/link_watch.c:175 ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:62 bond_check_dev_link+0x1f1/0x3f0 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x49a/0x3170 drivers/net/bonding/bond_main.c:2962 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244