------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 0 PID: 12856 at net/mac80211/rate.c:406 __rate_control_send_low+0x5e2/0x820 net/mac80211/rate.c:401
Modules linked in:
CPU: 0 UID: 0 PID: 12856 Comm: syz.2.2443 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
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 89 89 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 8f a7 c5 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:ffffc90000007538 EFLAGS: 00010246
RAX: e5676147e8063d00 RBX: 000000000000000c RCX: ffff8880257a3c80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba684 R12: ffff88805214f8e8
R13: 0000000000000000 R14: ffff888051980e80 R15: ffff888051983138
FS: 0000000000000000(0000) GS:ffff88812613b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbdc5f156c0 CR3: 00000000568f5000 CR4: 0000000000350ef0
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:2361
__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:2395
__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:lock_release+0x2b5/0x3e0 kernel/locking/lockdep.c:5893
Code: 51 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 75 56 f7 c3 00 02 00 00 74 01 fb 65 48 8b 05 eb ea d0 10 <48> 3b 44 24 28 0f 85 8b 00 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc9000d4b72b0 EFLAGS: 00000206
RAX: e5676147e8063d00 RBX: 0000000000000206 RCX: e5676147e8063d00
RDX: 0000000000000003 RSI: ffffffff8d8f4ebc RDI: ffffffff8bbf0760
RBP: ffff8880257a4828 R08: 0000000000000000 R09: ffffffff8230f88a
R10: dffffc0000000000 R11: fffff940002c04d9 R12: 0000000000000003
R13: 0000000000000003 R14: ffffffff8df3d7a0 R15: ffff8880257a3c80
rcu_lock_release include/linux/rcupdate.h:341 [inline]
rcu_read_unlock_sched include/linux/rcupdate.h:979 [inline]
pfn_valid+0x3b2/0x490 include/linux/mmzone.h:2197
page_table_check_clear+0x21/0x700 mm/page_table_check.c:70
ptep_get_and_clear_full arch/x86/include/asm/jump_label.h:-1 [inline]
get_and_clear_full_ptes include/linux/pgtable.h:725 [inline]
zap_present_folio_ptes mm/memory.c:1628 [inline]
zap_present_ptes mm/memory.c:1710 [inline]
do_zap_pte_range mm/memory.c:1811 [inline]
zap_pte_range mm/memory.c:1855 [inline]
zap_pmd_range mm/memory.c:1947 [inline]
zap_pud_range mm/memory.c:1976 [inline]
zap_p4d_range mm/memory.c:1997 [inline]
unmap_page_range+0x344b/0x4370 mm/memory.c:2018
unmap_single_vma mm/memory.c:2061 [inline]
unmap_vmas+0x399/0x580 mm/memory.c:2105
exit_mmap+0x240/0xb40 mm/mmap.c:1280
__mmput+0x118/0x430 kernel/fork.c:1133
exit_mm+0x1da/0x2c0 kernel/exit.c:582
do_exit+0x648/0x2300 kernel/exit.c:954
do_group_exit+0x21c/0x2d0 kernel/exit.c:1107
get_signal+0x1285/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x72/0x130 kernel/entry/common.c:40
exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3dfbd8f6c9
Code: Unable to access opcode bytes at 0x7f3dfbd8f69f.
RSP: 002b:00007f3dfcc770e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f3dfbfe5fa8 RCX: 00007f3dfbd8f6c9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3dfbfe5fac
RBP: 00007f3dfbfe5fa0 R08: 3fffffffffffffff R09: 0000000000000000
R10: 00000000000000f8 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3dfbfe6038 R14: 00007ffc5cdf6c90 R15: 00007ffc5cdf6d78
----------------
Code disassembly (best guess):
0: 51 push %rcx
1: 48 c7 44 24 20 00 00 movq $0x0,0x20(%rsp)
8: 00 00
a: 9c pushf
b: 8f 44 24 20 pop 0x20(%rsp)
f: f7 44 24 20 00 02 00 testl $0x200,0x20(%rsp)
16: 00
17: 75 56 jne 0x6f
19: f7 c3 00 02 00 00 test $0x200,%ebx
1f: 74 01 je 0x22
21: fb sti
22: 65 48 8b 05 eb ea d0 mov %gs:0x10d0eaeb(%rip),%rax # 0x10d0eb15
29: 10
* 2a: 48 3b 44 24 28 cmp 0x28(%rsp),%rax <-- trapping instruction
2f: 0f 85 8b 00 00 00 jne 0xc0
35: 48 83 c4 30 add $0x30,%rsp
39: 5b pop %rbx
3a: 41 5c pop %r12
3c: 41 5d pop %r13
3e: 41 5e pop %r14