------------[ 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#0: syz.3.2487/14731
Modules linked in:
CPU: 0 UID: 0 PID: 14731 Comm: syz.3.2487 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
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:ffffc900000078f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff906a7e60
RBP: ffff888069300f40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 8000000000000100 R12: ffff88802178b528
R13: dffffc0000000000 R14: ffffffff906a7e60 R15: ffff888069303258
FS: 000055555c09f500(0000) GS:ffff888124f21000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555689c1a38 CR3: 00000000749f2000 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:5556
__ieee80211_beacon_get+0xe2b/0x1920 net/mac80211/tx.c:-1
ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5969
ieee80211_beacon_get include/net/mac80211.h:5902 [inline]
mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2500
__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:2536
__run_hrtimer kernel/time/hrtimer.c:2067 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2124
hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2141
handle_softirqs+0x226/0x860 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:767
irq_exit_rcu+0x9/0x30 kernel/softirq.c:784
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 6d a5 c7 f5 f7 c3 00 02 00 00 74 05 e8 70 b3 f3 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 54 c7 b8 f5 65 48 8b 05 4c 50 94 07 48 85 c0 74 18 5b 41 5e e9
RSP: 0018:ffffc9000616fbb8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000246 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8e25899f RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff90589437 R09: 1ffffffff20b1286
R10: dffffc0000000000 R11: fffffbfff20b1287 R12: 000000000000c350
R13: dffffc0000000000 R14: ffff8880b8628180 R15: 0000000000000246
unlock_hrtimer_base kernel/time/hrtimer.c:1042 [inline]
hrtimer_start_range_ns_user+0x2ba/0x430 kernel/time/hrtimer.c:1622
hrtimer_start_expires_user include/linux/hrtimer.h:247 [inline]
hrtimer_sleeper_start_expires kernel/time/hrtimer.c:2349 [inline]
do_nanosleep+0x16c/0x6a0 kernel/time/hrtimer.c:2426
hrtimer_nanosleep+0x18f/0x3a0 kernel/time/hrtimer.c:2475
__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:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f303e35e90e
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:00007ffc26f38848 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000055555c09f500 RCX: 00007f303e35e90e
RDX: 00007ffc26f388a0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f303e627da0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000050b69
R13: 00007f303e62609c R14: 00000000000508a8 R15: 00007f303e626090
----------------
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