------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 0 PID: 8963 at net/mac80211/rate.c:403 __rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398 Modules linked in: CPU: 0 UID: 0 PID: 8963 Comm: kworker/u8:28 Not tainted 6.16.0-syzkaller-06620-gae633388cae3 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: ipv6_addrconf addrconf_dad_work RIP: 0010:__rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398 Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 80 c9 ad 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 a2 f4 9c f6 90 <0f> 0b 90 90 e9 73 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc9001d84e2f8 EFLAGS: 00010246 RAX: 2f7b73704fdacc00 RBX: 000000000000000c RCX: ffff88802576bc00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa5cc R12: ffff88807b2088e8 R13: 0000000000000000 R14: ffff888025d30e40 R15: ffff888025d330d8 FS: 0000000000000000(0000) GS:ffff888125c80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff638bb6980 CR3: 000000007f1cc000 CR4: 00000000003526f0 Call Trace: rate_control_send_low+0x194/0x7a0 net/mac80211/rate.c:423 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:934 ieee80211_tx_h_rate_ctrl+0xb32/0x1780 net/mac80211/tx.c:759 invoke_tx_handlers_late+0xb6/0x1820 net/mac80211/tx.c:1841 ieee80211_tx_dequeue+0x308e/0x4360 net/mac80211/tx.c:3925 wake_tx_push_queue net/mac80211/util.c:294 [inline] ieee80211_handle_wake_tx_queue+0x125/0x2a0 net/mac80211/util.c:315 drv_wake_tx_queue net/mac80211/driver-ops.h:1394 [inline] schedule_and_wake_txq net/mac80211/driver-ops.h:1401 [inline] ieee80211_queue_skb+0x1a31/0x21c0 net/mac80211/tx.c:1656 ieee80211_tx+0x297/0x420 net/mac80211/tx.c:1959 __ieee80211_subif_start_xmit+0xccf/0x1610 net/mac80211/tx.c:4333 ieee80211_subif_start_xmit+0xe0/0x510 net/mac80211/tx.c:4529 __netdev_start_xmit include/linux/netdevice.h:5219 [inline] netdev_start_xmit include/linux/netdevice.h:5228 [inline] xmit_one net/core/dev.c:3827 [inline] dev_hard_start_xmit+0x2d4/0x830 net/core/dev.c:3843 __dev_queue_xmit+0x1b8d/0x3b50 net/core/dev.c:4713 neigh_output include/net/neighbour.h:547 [inline] ip6_finish_output2+0x11fb/0x16a0 net/ipv6/ip6_output.c:141 NF_HOOK+0x9e/0x380 include/linux/netfilter.h:318 mld_sendpack+0x800/0xd80 net/ipv6/mcast.c:1860 ipv6_mc_dad_complete+0x88/0x410 net/ipv6/mcast.c:2284 addrconf_dad_completed+0x6d5/0xd60 net/ipv6/addrconf.c:4340 addrconf_dad_work+0xc36/0x14b0 net/ipv6/addrconf.c:-1 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245