------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: net/mac80211/rate.c:401 at __rate_control_send_low+0x610/0x760 net/mac80211/rate.c:401, CPU#1: syz.3.14036/7826
Modules linked in:
CPU: 1 UID: 0 PID: 7826 Comm: syz.3.14036 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:__rate_control_send_low+0x621/0x760 net/mac80211/rate.c:401
Code: f7 48 8b 44 24 10 8b ac a8 d4 00 00 00 e8 27 0d 1a f7 48 8d 3d 50 48 db 05 44 8b 44 24 04 48 8b 74 24 10 45 89 f1 89 d9 89 ea <67> 48 0f b9 3a e9 2f fd ff ff 48 8b 7c 24 08 e8 2b 6a 83 f7 e9 03
RSP: 0018:ffffc90000a08898 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff90c815b0
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000c R11: 0000000000000000 R12: ffff88803037c168
R13: ffff888055e93128 R14: 0000000000000000 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881246dc000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff4d5046d58 CR3: 000000005dc31000 CR4: 0000000000350ef0
Call Trace:
rate_control_send_low+0x2a8/0x7e0 net/mac80211/rate.c:429
rate_control_get_rate+0x1be/0x5c0 net/mac80211/rate.c:943
ieee80211_beacon_get_finish+0x45a/0x690 net/mac80211/tx.c:5364
__ieee80211_beacon_get_ap+0x76e/0x10d0 net/mac80211/tx.c:5467
ieee80211_beacon_get_ap net/mac80211/tx.c:5529 [inline]
__ieee80211_beacon_get+0x14fa/0x1ee0 net/mac80211/tx.c:5636
ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5778
ieee80211_beacon_get include/net/mac80211.h:5669 [inline]
mac80211_hwsim_beacon_tx+0x4d6/0xa00 drivers/net/wireless/virtual/mac80211_hwsim.c:2361
__iterate_interfaces+0x2e6/0x650 net/mac80211/util.c:761
ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797
mac80211_hwsim_beacon+0x105/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2395
__run_hrtimer kernel/time/hrtimer.c:1777 [inline]
__hrtimer_run_queues+0x516/0x990 kernel/time/hrtimer.c:1841
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1858
handle_softirqs+0x1ea/0x910 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:page_table_check_clear+0x1c0/0x9e0 mm/page_table_check.c:73
Code: 0f 84 9e 07 00 00 e8 cf 0f 8a ff 31 ff 44 89 f6 e8 75 0a 8a ff 45 85 f6 0f 84 3a 03 00 00 e8 b7 0f 8a ff 49 c7 c4 60 45 ee 8d <48> c1 e3 06 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80
RSP: 0018:ffffc900047ef508 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000006998e RCX: ffffffff827ccabb
RDX: ffff888025989e80 RSI: ffffffff827ccac9 RDI: ffff888025989e80
RBP: 0000000080000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8dee4560
R13: 0000000000000001 R14: 0000000000000001 R15: 800000006998e007
__page_table_check_pte_clear+0xf1/0x100 mm/page_table_check.c:154
page_table_check_pte_clear include/linux/page_table_check.h:51 [inline]
ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1270 [inline]
get_and_clear_full_ptes include/linux/pgtable.h:725 [inline]
zap_present_folio_ptes mm/memory.c:1630 [inline]
zap_present_ptes mm/memory.c:1712 [inline]
do_zap_pte_range mm/memory.c:1814 [inline]
zap_pte_range mm/memory.c:1858 [inline]
zap_pmd_range mm/memory.c:1950 [inline]
zap_pud_range mm/memory.c:1978 [inline]
zap_p4d_range mm/memory.c:1999 [inline]
unmap_page_range+0x28ac/0x43e0 mm/memory.c:2020
unmap_single_vma+0x153/0x240 mm/memory.c:2062
unmap_vmas+0x218/0x470 mm/memory.c:2104
exit_mmap+0x181/0xae0 mm/mmap.c:1277
__mmput+0x12a/0x410 kernel/fork.c:1173
mmput+0x67/0x80 kernel/fork.c:1196
exit_mm kernel/exit.c:581 [inline]
do_exit+0x78a/0x2a30 kernel/exit.c:959
do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
get_signal+0x1ec7/0x21e0 kernel/signal.c:3034
arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x86/0x4b0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x4fe/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe169b9aeb9
Code: Unable to access opcode bytes at 0x7fe169b9ae8f.
RSP: 002b:00007fe16a9bd0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007fe169e15fa8 RCX: 00007fe169b9aeb9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fe169e15fac
RBP: 00007fe169e15fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe169e16038 R14: 00007fff528b5a80 R15: 00007fff528b5b68
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 8b 44 24 10 mov 0x10(%rsp),%rax
5: 8b ac a8 d4 00 00 00 mov 0xd4(%rax,%rbp,4),%ebp
c: e8 27 0d 1a f7 call 0xf71a0d38
11: 48 8d 3d 50 48 db 05 lea 0x5db4850(%rip),%rdi # 0x5db4868
18: 44 8b 44 24 04 mov 0x4(%rsp),%r8d
1d: 48 8b 74 24 10 mov 0x10(%rsp),%rsi
22: 45 89 f1 mov %r14d,%r9d
25: 89 d9 mov %ebx,%ecx
27: 89 ea mov %ebp,%edx
* 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2e: e9 2f fd ff ff jmp 0xfffffd62
33: 48 8b 7c 24 08 mov 0x8(%rsp),%rdi
38: e8 2b 6a 83 f7 call 0xf7836a68
3d: e9 .byte 0xe9
3e: 03 .byte 0x3