------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:406 at __rate_control_send_low+0x5e2/0x820 net/mac80211/rate.c:401, CPU#1: syz-executor/8461 Modules linked in: CPU: 1 UID: 0 PID: 8461 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__rate_control_send_low+0x5e2/0x820 net/mac80211/rate.c:401 Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 20 f2 8a 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 bf df bd f6 90 <0f> 0b 90 90 e9 70 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc90000a08538 EFLAGS: 00010246 RAX: 0f89c6228e38f500 RBX: 000000000000000c RCX: ffff888030f88000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa650 R12: ffff8880623eab68 R13: 0000000000000000 R14: ffff88806af08e80 R15: ffff88806af0b138 FS: 0000555574699500(0000) GS:ffff888125e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000031000 CR3: 00000000756e4000 CR4: 00000000003526f0 Call Trace: rate_control_send_low+0x1a7/0x7b0 net/mac80211/rate.c:429 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:943 ieee80211_beacon_get_finish+0x39a/0x6c0 net/mac80211/tx.c:5360 __ieee80211_beacon_get_ap net/mac80211/tx.c:5463 [inline] ieee80211_beacon_get_ap+0x1868/0x1f30 net/mac80211/tx.c:5525 __ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5632 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5774 ieee80211_beacon_get include/net/mac80211.h:5667 [inline] mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2355 __iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2389 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x286/0x870 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:preempt_schedule_irq+0xb0/0x150 kernel/sched/core.c:7256 Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 10 00 00 00 74 64 bf 01 00 00 00 e8 8b 9b 40 f6 e8 86 6e 78 f6 fb bf 01 00 00 00 5b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24 RSP: 0018:ffffc9000c28ec40 EFLAGS: 00000286 RAX: 0f89c6228e38f500 RBX: 0000000000000000 RCX: 0f89c6228e38f500 RDX: 0000000000000006 RSI: ffffffff8d7eeef8 RDI: 0000000000000001 RBP: ffffc9000c28ece0 R08: ffffffff8f9e3177 R09: 1ffffffff1f3c62e R10: dffffc0000000000 R11: fffffbfff1f3c62f R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92001851d88 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x18/0x70 kernel/kcov.c:217 Code: cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 00 92 92 65 8b 15 68 a3 d1 10 <81> e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 7c 16 00 00 RSP: 0018:ffffc9000c28eda0 EFLAGS: 00000246 RAX: ffffffff8aa04306 RBX: ffff88806af0b2c8 RCX: ffff888030f88000 RDX: 0000000080000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000033 R08: ffffffff8f9e3177 R09: 1ffffffff1f3c62e R10: dffffc0000000000 R11: fffffbfff1f3c62f R12: ffff88806af0cfd8 R13: 0000000000000031 R14: 0000000000000cb0 R15: dffffc0000000000 reg_copy_dfs_chan_state net/wireless/reg.c:2945 [inline] wiphy_share_dfs_chan_state net/wireless/reg.c:2980 [inline] wiphy_all_share_dfs_chan_state+0x296/0x6e0 net/wireless/reg.c:2995 wiphy_regulatory_register+0x185/0x240 net/wireless/reg.c:4090 wiphy_register+0x1e00/0x2aa0 net/wireless/core.c:1051 ieee80211_register_hw+0x3473/0x40d0 net/mac80211/main.c:1591 mac80211_hwsim_new_radio+0x2f7a/0x5220 drivers/net/wireless/virtual/mac80211_hwsim.c:5803 hwsim_new_radio_nl+0xf5b/0x1bd0 drivers/net/wireless/virtual/mac80211_hwsim.c:6497 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 __sys_sendto+0x3bd/0x520 net/socket.c:2244 __do_sys_sendto net/socket.c:2251 [inline] __se_sys_sendto net/socket.c:2247 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2247 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb1ff90d5c Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b RSP: 002b:00007ffe79205a90 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fdb20d14620 RCX: 00007fdb1ff90d5c RDX: 0000000000000024 RSI: 00007fdb20d14670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffe79205ae4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fdb20d14670 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 24 20 and $0x20,%al 2: f6 44 24 21 02 testb $0x2,0x21(%rsp) 7: 74 0c je 0x15 9: 90 nop a: 0f 0b ud2 c: 48 f7 03 10 00 00 00 testq $0x10,(%rbx) 13: 74 64 je 0x79 15: bf 01 00 00 00 mov $0x1,%edi 1a: e8 8b 9b 40 f6 call 0xf6409baa 1f: e8 86 6e 78 f6 call 0xf6786eaa 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 5b ab ff ff call 0xffffab8a <-- trapping instruction 2f: 48 c7 44 24 40 00 00 movq $0x0,0x40(%rsp) 36: 00 00 38: 9c pushf 39: 8f 44 24 40 pop 0x40(%rsp) 3d: 8b .byte 0x8b 3e: 44 rex.R 3f: 24 .byte 0x24