------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:404 at __rate_control_send_low+0x60c/0x8a0 net/mac80211/rate.c:399, CPU#1: syz.0.6853/32065 Modules linked in: CPU: 1 UID: 0 PID: 32065 Comm: syz.0.6853 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:__rate_control_send_low+0x638/0x8a0 net/mac80211/rate.c:399 Code: 7c 24 10 48 8b 44 24 28 42 0f b6 04 28 84 c0 0f 85 c4 01 00 00 41 8b 0f 4c 89 f7 48 8b 74 24 18 44 8b 44 24 24 44 8b 4c 24 0c <67> 48 0f b9 3a e9 46 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc90000a088d8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff90699990 RBP: ffff888047a10f40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000100 R12: ffff888052f8a668 R13: dffffc0000000000 R14: ffffffff90699990 R15: ffff888047a13258 FS: 0000555594918500(0000) GS:ffff88812505a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f04277aeac0 CR3: 000000006586c000 CR4: 00000000003526f0 Call Trace: rate_control_send_low+0x1a7/0x7b0 net/mac80211/rate.c:427 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:935 ieee80211_beacon_get_finish+0x385/0x6c0 net/mac80211/tx.c:5514 __ieee80211_beacon_get+0xe2b/0x1920 net/mac80211/tx.c:-1 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5927 ieee80211_beacon_get include/net/mac80211.h:5890 [inline] mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2478 __iterate_interfaces+0x2af/0x5a0 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:808 mac80211_hwsim_beacon+0xaf/0x240 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2514 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2096 hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2113 handle_softirqs+0x225/0x840 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:finish_task_switch+0x417/0xc60 kernel/sched/core.c:5361 Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 43 fb 3b 0a e8 5e ac 39 00 fb 4c 8b 65 c8 <49> 8d bc 24 f8 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 RSP: 0018:ffffc90006be7980 EFLAGS: 00000206 RAX: 0000000000000c6f RBX: ffff8880b873bf20 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8e22949e RDI: ffffffff8c4bd280 RBP: ffffc90006be79d0 R08: ffffffff90576cf7 R09: 1ffffffff20aed9e R10: dffffc0000000000 R11: fffffbfff20aed9f R12: ffff8880559a0000 R13: ffff8880b873bee8 R14: dffffc0000000000 R15: 1ffff110170e77e4 context_switch kernel/sched/core.c:5513 [inline] __schedule+0x17e1/0x56c0 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7326 do_nanosleep+0x21e/0x6a0 kernel/time/hrtimer.c:2399 hrtimer_nanosleep+0x18f/0x3a0 kernel/time/hrtimer.c:2445 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1406 [inline] __se_sys_clock_nanosleep+0x35b/0x3b0 kernel/time/posix-timers.c:1383 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fee3135e68e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007ffda32a2f68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000555594918500 RCX: 00007fee3135e68e RDX: 00007ffda32a2fc0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fee31627da0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000cc867 R13: 00007fee31625fac R14: 00000000000cc5e6 R15: 00007fee31625fa0 ---------------- Code disassembly (best guess): 0: 7c 24 jl 0x26 2: 10 48 8b adc %cl,-0x75(%rax) 5: 44 24 28 rex.R and $0x28,%al 8: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax d: 84 c0 test %al,%al f: 0f 85 c4 01 00 00 jne 0x1d9 15: 41 8b 0f mov (%r15),%ecx 18: 4c 89 f7 mov %r14,%rdi 1b: 48 8b 74 24 18 mov 0x18(%rsp),%rsi 20: 44 8b 44 24 24 mov 0x24(%rsp),%r8d 25: 44 8b 4c 24 0c mov 0xc(%rsp),%r9d * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 46 fe ff ff jmp 0xfffffe7a 34: 44 89 f1 mov %r14d,%ecx 37: 80 e1 07 and $0x7,%cl 3a: 80 c1 03 add $0x3,%cl 3d: 38 c1 cmp %al,%cl 3f: 0f .byte 0xf