------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 0 PID: 4230 at net/mac80211/rate.c:376 __rate_control_send_low+0x62c/0x880 net/mac80211/rate.c:371 Modules linked in: CPU: 0 PID: 4230 Comm: kworker/0:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: mld mld_ifc_work RIP: 0010:__rate_control_send_low+0x62c/0x880 net/mac80211/rate.c:371 Code: 42 0f b6 04 28 84 c0 0f 85 ea 01 00 00 48 8b 04 24 8b 08 48 c7 c7 60 1a 39 8b 4c 89 f6 44 8b 44 24 14 45 89 f9 e8 64 aa 69 00 <0f> 0b e9 74 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0a fa ff RSP: 0018:ffffc900030eeb48 EFLAGS: 00010246 RAX: 96e183e386197200 RBX: 000000000000000c RCX: ffff88801f0bbb80 RDX: 0000000000000000 RSI: 0000000000000402 RDI: 0000000000000000 RBP: 0000000000000084 R08: ffffc900030ee667 R09: 1ffff9200061dccc R10: dffffc0000000000 R11: fffff5200061dccd R12: ffff888057ebeb68 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4a30cff000 CR3: 000000004f147000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x194/0x790 net/mac80211/rate.c:396 rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:908 ieee80211_tx_h_rate_ctrl+0xaeb/0x16e0 net/mac80211/tx.c:750 invoke_tx_handlers_late+0xae/0x1720 net/mac80211/tx.c:1833 ieee80211_tx+0x2d4/0x460 net/mac80211/tx.c:1956 __ieee80211_subif_start_xmit+0x1056/0x3400 net/mac80211/tx.c:4259 ieee80211_subif_start_xmit+0xed/0x5d0 net/mac80211/tx.c:4398 __netdev_start_xmit include/linux/netdevice.h:5036 [inline] netdev_start_xmit include/linux/netdevice.h:5050 [inline] xmit_one net/core/dev.c:3662 [inline] dev_hard_start_xmit+0x297/0x7d0 net/core/dev.c:3678 sch_direct_xmit+0x24d/0x4a0 net/sched/sch_generic.c:345 __dev_xmit_skb net/core/dev.c:3897 [inline] __dev_queue_xmit+0x1694/0x2e50 net/core/dev.c:4266 neigh_output include/net/neighbour.h:509 [inline] ip6_finish_output2+0x108b/0x1530 net/ipv6/ip6_output.c:130 dst_output include/net/dst.h:452 [inline] NF_HOOK+0x163/0x460 include/linux/netfilter.h:302 mld_sendpack+0x6ee/0xc40 net/ipv6/mcast.c:1825 mld_send_cr net/ipv6/mcast.c:2126 [inline] mld_ifc_work+0x83a/0xde0 net/ipv6/mcast.c:2658 process_one_work+0x867/0xff0 kernel/workqueue.c:2310 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287