------------[ 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.9.3841/21299 Modules linked in: CPU: 1 UID: 0 PID: 21299 Comm: syz.9.3841 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 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: ffffffff9069b960 RBP: ffff8880581f0f40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000100 R12: ffff88805c35ede8 R13: dffffc0000000000 R14: ffffffff9069b960 R15: ffff8880581f3258 FS: 00007f8287e556c0(0000) GS:ffff888125051000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000007784a000 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:5529 __ieee80211_beacon_get+0xe2b/0x1920 net/mac80211/tx.c:-1 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5942 ieee80211_beacon_get include/net/mac80211.h:5890 [inline] mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2489 __iterate_interfaces+0x2af/0x5a0 net/mac80211/util.c:775 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:811 mac80211_hwsim_beacon+0xaf/0x240 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2525 __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:console_flush_one_record arch/x86/include/asm/irqflags.h:-1 [inline] RIP: 0010:console_flush_all+0x7d2/0xaf0 kernel/printk/printk.c:3343 Code: ff ff e8 b1 2c 21 00 90 0f 0b 90 e9 9c fc ff ff e8 a3 2c 21 00 e8 3e d0 2a 0a 48 85 db 74 c0 e8 94 2c 21 00 fb 48 8b 5c 24 18 <48> 8b 44 24 28 42 80 3c 20 00 4d 8d 77 58 74 08 4c 89 f7 e8 76 bf RSP: 0018:ffffc9000d4eea80 EFLAGS: 00000293 RAX: ffffffff81a5d4ec RBX: ffffc9000d4eebe0 RCX: ffff88802e3b1f00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000d4eeb90 R08: ffffffff90578b37 R09: 1ffffffff20af166 R10: dffffc0000000000 R11: fffffbfff20af167 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff8f46f4a0 __console_flush_and_unlock kernel/printk/printk.c:3373 [inline] console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413 vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479 _printk+0xdd/0x130 kernel/printk/printk.c:2504 __nla_validate_parse+0x2574/0x2d50 lib/nlattr.c:647 __nla_parse+0x40/0x60 lib/nlattr.c:732 nla_parse_nested_deprecated include/net/netlink.h:1379 [inline] rtnl_newlink+0x3d8/0x1bd0 net/core/rtnetlink.c:4075 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7076 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg net/socket.c:2770 [inline] __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773 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: 0033:0x7f8286f9de99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8287e55028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8287225fa0 RCX: 00007f8286f9de99 RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000003 RBP: 00007f8287033eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8287226038 R14: 00007f8287225fa0 R15: 00007ffd10872128 ---------------- 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