------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 1 PID: 17557 at net/mac80211/rate.c:406 __rate_control_send_low+0x5e2/0x820 net/mac80211/rate.c:401 Modules linked in: CPU: 1 UID: 0 PID: 17557 Comm: syz.1.2911 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 c0 cc 8a 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 9f 4c c0 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: 5da1458c19414300 RBX: 000000000000000c RCX: ffff88802b013c80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa650 R12: ffff888061288a28 R13: 0000000000000000 R14: ffff8880277d8e80 R15: ffff8880277db138 FS: 0000000000000000(0000) GS:ffff888125e0c000(0063) knlGS:00000000f5435b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000800c1018 CR3: 0000000054a8a000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110 kernel/locking/spinlock.c:194 Code: 74 05 e8 db 5b 79 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 d3 8a 41 f6 65 8b 05 dc 98 42 07 85 c0 74 40 48 c7 04 24 0e 36 RSP: 0018:ffffc9000d557520 EFLAGS: 00000206 RAX: 5da1458c19414300 RBX: 0000000000000a02 RCX: 5da1458c19414300 RDX: 0000000000000006 RSI: ffffffff8d7e8390 RDI: 0000000000000001 RBP: ffffc9000d5575b8 R08: ffffffff8f9e1177 R09: 1ffffffff1f3c22e R10: dffffc0000000000 R11: fffffbfff1f3c22f R12: dffffc0000000000 R13: 1ffff1100a5cf57d R14: ffff888052e7ab80 R15: 1ffff92001aaaea4 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __skb_try_recv_datagram+0x17c/0x4d0 net/core/datagram.c:267 __unix_dgram_recvmsg+0x2d4/0xd60 net/unix/af_unix.c:2601 sock_recvmsg_nosec+0x186/0x1c0 net/socket.c:1078 ____sys_recvmsg+0x3aa/0x460 net/socket.c:2848 ___sys_recvmsg+0x1b5/0x510 net/socket.c:2892 do_recvmmsg+0x36a/0x770 net/socket.c:2979 __sys_recvmmsg+0x19d/0x280 net/socket.c:3061 __do_compat_sys_recvmmsg_time32 net/compat.c:418 [inline] __se_compat_sys_recvmmsg_time32 net/compat.c:414 [inline] __ia32_compat_sys_recvmmsg_time32+0xbf/0xe0 net/compat.c:414 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb6/0x2b0 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f62539 Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f543555c EFLAGS: 00000206 ORIG_RAX: 0000000000000151 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000800000c0 RDX: 0000000000010106 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 74 05 je 0x7 2: e8 db 5b 79 f6 call 0xf6795be2 7: 48 c7 44 24 20 00 00 movq $0x0,0x20(%rsp) e: 00 00 10: 9c pushf 11: 8f 44 24 20 pop 0x20(%rsp) 15: f6 44 24 21 02 testb $0x2,0x21(%rsp) 1a: 75 4f jne 0x6b 1c: f7 c3 00 02 00 00 test $0x200,%ebx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 d3 8a 41 f6 call 0xf6418b02 <-- trapping instruction 2f: 65 8b 05 dc 98 42 07 mov %gs:0x74298dc(%rip),%eax # 0x7429912 36: 85 c0 test %eax,%eax 38: 74 40 je 0x7a 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss