------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 1 PID: 29 at net/mac80211/rate.c:401 __rate_control_send_low+0x667/0x780 net/mac80211/rate.c:401 Modules linked in: CPU: 1 UID: 0 PID: 29 Comm: kworker/1:0 Not tainted syzkaller #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: mld mld_ifc_work RIP: 0010:__rate_control_send_low+0x667/0x780 net/mac80211/rate.c:401 Code: a4 a0 d4 00 00 00 e8 88 e4 e3 f6 44 8b 44 24 24 45 89 e9 89 d9 48 8b 74 24 08 44 89 e2 48 c7 c7 e0 51 e4 8c e8 ca 68 a2 f6 90 <0f> 0b 90 90 e9 20 fd ff ff 48 8b 3c 24 e8 e7 75 4b f7 e9 f5 fc ff RSP: 0018:ffffc90000576a50 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817b2e58 RDX: ffff88801bfd8000 RSI: ffffffff817b2e65 RDI: 0000000000000001 RBP: ffff88804bc717e8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff R13: 0000000000000000 R14: 000000000000000c R15: ffff88804bc717f0 FS: 0000000000000000(0000) GS:ffff8880978e1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000046f52000 CR4: 0000000000352ef0 Call Trace: rate_control_send_low+0x52a/0x810 net/mac80211/rate.c:429 rate_control_get_rate+0x1be/0x5e0 net/mac80211/rate.c:943 ieee80211_tx_h_rate_ctrl+0xa35/0x1ae0 net/mac80211/tx.c:765 invoke_tx_handlers_late+0x1172/0x27d0 net/mac80211/tx.c:1847 ieee80211_tx_dequeue+0x3086/0x43f0 net/mac80211/tx.c:3934 wake_tx_push_queue net/mac80211/util.c:294 [inline] ieee80211_handle_wake_tx_queue+0x19c/0x260 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+0x12b2/0x1fe0 net/mac80211/tx.c:1662 ieee80211_tx+0x2e4/0x460 net/mac80211/tx.c:1966 ieee80211_xmit+0x30f/0x3e0 net/mac80211/tx.c:2062 __ieee80211_subif_start_xmit+0x880/0x1390 net/mac80211/tx.c:4342 ieee80211_subif_start_xmit+0x11b/0x1970 net/mac80211/tx.c:4538 __netdev_start_xmit include/linux/netdevice.h:5248 [inline] netdev_start_xmit include/linux/netdevice.h:5257 [inline] xmit_one net/core/dev.c:3845 [inline] dev_hard_start_xmit+0x97/0x740 net/core/dev.c:3861 __dev_queue_xmit+0xa46/0x4490 net/core/dev.c:4763 dev_queue_xmit include/linux/netdevice.h:3365 [inline] neigh_resolve_output net/core/neighbour.c:1595 [inline] neigh_resolve_output+0x53a/0x940 net/core/neighbour.c:1575 neigh_output include/net/neighbour.h:547 [inline] ip6_finish_output2+0xad1/0x1cf0 net/ipv6/ip6_output.c:136 __ip6_finish_output+0x3cd/0x1010 net/ipv6/ip6_output.c:209 ip6_finish_output net/ipv6/ip6_output.c:220 [inline] NF_HOOK_COND include/linux/netfilter.h:307 [inline] ip6_output+0x253/0x710 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:464 [inline] NF_HOOK include/linux/netfilter.h:318 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] mld_sendpack+0xac1/0x1350 net/ipv6/mcast.c:1855 mld_send_cr net/ipv6/mcast.c:2154 [inline] mld_ifc_work+0x740/0xbf0 net/ipv6/mcast.c:2693 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245