veth0_vlan: left promiscuous mode
veth1_macvtap: left promiscuous mode
veth0_macvtap: left promiscuous mode
veth1_vlan: left promiscuous mode
veth0_vlan: left promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8277 at net/ipv6/route.c:4765 rt6_multipath_rebalance+0x433/0x880 net/ipv6/route.c:4765
Modules linked in:
CPU: 0 UID: 0 PID: 8277 Comm: kworker/u8:12 Not tainted 6.14.0-rc4-syzkaller-01091-gf252f23ab657 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: netns cleanup_net
RIP: 0010:rt6_multipath_rebalance+0x433/0x880 net/ipv6/route.c:4765
Code: fe ff ff 89 e9 80 e1 07 38 c1 0f 8c 8a fe ff ff 48 89 ef e8 ef a0 82 f7 e9 7d fe ff ff e8 e5 61 1b f7 eb 05 e8 de 61 1b f7 90 <0f> 0b 90 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc90003456ed8 EFLAGS: 00010293
RAX: ffffffff8aa65d5b RBX: dffffc0000000000 RCX: ffff88805d2b0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88807abc24ce R08: ffffffff8aa65c3c R09: fffff5200068add4
R10: dffffc0000000000 R11: fffff5200068add4 R12: 0000000000000000
R13: ffff88807abc2490 R14: ffff88807abc2400 R15: 1ffff1100f578492
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000066afa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fib6_ifdown+0x406/0x4c0 net/ipv6/route.c:4885
 fib6_clean_node+0x2ae/0x5e0 net/ipv6/ip6_fib.c:2199
 fib6_walk_continue+0x658/0x8f0 net/ipv6/ip6_fib.c:2124
 fib6_walk+0x168/0x2b0 net/ipv6/ip6_fib.c:2172
 fib6_clean_tree net/ipv6/ip6_fib.c:2252 [inline]
 __fib6_clean_all+0x31f/0x4b0 net/ipv6/ip6_fib.c:2268
 rt6_sync_down_dev net/ipv6/route.c:4913 [inline]
 rt6_disable_ip+0x170/0x800 net/ipv6/route.c:4918
 addrconf_ifdown+0x15d/0x1b00 net/ipv6/addrconf.c:3849
 addrconf_notify+0x3cb/0x1020
 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2245 [inline]
 call_netdevice_notifiers net/core/dev.c:2259 [inline]
 dev_close_many+0x33c/0x4c0 net/core/dev.c:1749
 unregister_netdevice_many_notify+0x52c/0x2070 net/core/dev.c:12011
 unregister_netdevice_many net/core/dev.c:12103 [inline]
 default_device_exit_batch+0x802/0x880 net/core/dev.c:12611
 ops_exit_list net/core/net_namespace.c:177 [inline]
 cleanup_net+0x8ad/0xd60 net/core/net_namespace.c:652
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>