------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:411 at __rate_control_send_low+0x652/0x900 net/mac80211/rate.c:406, CPU#1: syz.6.1306/11149 Modules linked in: CPU: 1 UID: 0 PID: 11149 Comm: syz.6.1306 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__rate_control_send_low+0x67c/0x900 net/mac80211/rate.c:406 Code: 48 8b 34 24 48 8b 44 24 20 42 0f b6 04 38 84 c0 0f 85 da 01 00 00 8b 0e 4c 89 f7 48 8b 74 24 10 44 8b 44 24 1c 44 8b 4c 24 0c <67> 48 0f b9 3a e9 36 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc90000a388f8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff918c62b0 RBP: ffff888146ec3300 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000100 R12: ffff888146ec0fa0 R13: ffff88802ce95de8 R14: ffffffff918c62b0 R15: dffffc0000000000 FS: 0000555593f64500(0000) GS:ffff888123b92000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3a0698 CR3: 0000000063c10000 CR4: 00000000003526f0 Call Trace: rate_control_send_low+0x1a7/0x7b0 net/mac80211/rate.c:434 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:942 ieee80211_beacon_get_finish+0x385/0x6c0 net/mac80211/tx.c:5655 __ieee80211_beacon_get+0xe2b/0x1920 net/mac80211/tx.c:-1 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:6069 ieee80211_beacon_get include/net/mac80211.h:5936 [inline] mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2512 __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:2548 __run_hrtimer kernel/time/hrtimer.c:2075 [inline] __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2132 hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2149 handle_softirqs+0x223/0x840 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:221 Code: f7 e8 4d 7e ad f5 f7 c3 00 02 00 00 74 05 e8 d0 1a da f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 74 71 9e f5 65 48 8b 05 0c 13 a2 08 48 85 c0 74 18 5b 41 5e e9 RSP: 0018:ffffc900070e76e8 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000293 RCX: 8000000000000001 RDX: 0000000000000006 RSI: ffffffff8e46e1bd RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff917a69bf R09: 1ffffffff22f4d37 R10: dffffc0000000000 R11: fffffbfff22f4d38 R12: ffff88801eab5800 R13: 0000000000000293 R14: ffff88801eab5808 R15: ffffc900070e77d8 kthread_queue_work+0x111/0x180 kernel/kthread.c:1210 synchronize_rcu_expedited_queue_work kernel/rcu/tree_exp.h:498 [inline] synchronize_rcu_expedited+0x489/0x760 kernel/rcu/tree_exp.h:976 packet_set_ring+0x34b/0x2e60 net/packet/af_packet.c:4676 packet_release+0x805/0xd00 net/packet/af_packet.c:3233 __sock_release+0xa0/0x1f0 net/socket.c:735 sock_close+0x1c/0x30 net/socket.c:1529 __fput+0x408/0xa40 fs/file_table.c:513 fput_close_sync+0x11f/0x240 fs/file_table.c:619 filp_close_sync+0x6e/0xa0 fs/open.c:1897 __range_close fs/file.c:919 [inline] __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range+0xa77/0xef0 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb10359e559 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:00007ffdec3f8d78 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: ffffffffffffffda RBX: 00007ffdec3f8e60 RCX: 00007fb10359e559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00000000000a1153 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b2da20000 R11: 0000000000000246 R12: 00007ffdec3f8ea0 R13: 00007fb103825fac R14: 00000000000a11c8 R15: 00007fb103825fa0 ---------------- Code disassembly (best guess): 0: 48 8b 34 24 mov (%rsp),%rsi 4: 48 8b 44 24 20 mov 0x20(%rsp),%rax 9: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax e: 84 c0 test %al,%al 10: 0f 85 da 01 00 00 jne 0x1f0 16: 8b 0e mov (%rsi),%ecx 18: 4c 89 f7 mov %r14,%rdi 1b: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 20: 44 8b 44 24 1c mov 0x1c(%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 36 fe ff ff jmp 0xfffffe6a 34: 89 d9 mov %ebx,%ecx 36: 80 e1 07 and $0x7,%cl 39: 80 c1 03 add $0x3,%cl 3c: 38 c1 cmp %al,%cl 3e: 0f .byte 0xf 3f: 8c .byte 0x8c