------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: net/mac80211/rate.c:406 at __rate_control_send_low+0x524/0x800 net/mac80211/rate.c:401, CPU#0: syz.2.2172/13572
Modules linked in:
CPU: 0 UID: 0 PID: 13572 Comm: syz.2.2172 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__rate_control_send_low+0x5bb/0x800 net/mac80211/rate.c:401
Code: ff 4c 8b 7c 24 08 48 8b 44 24 38 0f b6 04 28 84 c0 0f 85 d3 01 00 00 41 8b 0f 4c 89 f7 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 <67> 48 0f b9 3a 4c 8b 74 24 30 e9 81 fe ff ff 44 89 f9 80 e1 07 80
RSP: 0018:ffffc90000007618 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9022eeb0
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff88808000f3e8
R13: 0000000000000000 R14: ffffffff9022eeb0 R15: ffff88807e8e3138
FS: 0000000000000000(0000) GS:ffff88812545d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8ccd44eddd CR3: 000000005cef4000 CR4: 00000000003526f0
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+0x3af/0x6f0 net/mac80211/tx.c:5367
ieee80211_beacon_get_ap+0x196a/0x2040 net/mac80211/tx.c:-1
__ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5638
ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5780
ieee80211_beacon_get include/net/mac80211.h:5720 [inline]
mac80211_hwsim_beacon_tx+0x3c5/0x870 drivers/net/wireless/virtual/mac80211_hwsim.c:2361
__iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:760
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:796
mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2395
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x53a/0xcc0 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
handle_softirqs+0x22a/0x870 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x5f/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+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x20b/0x2e0 kernel/locking/lockdep.c:5872
Code: e9 30 ff ff ff e8 75 26 0d 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 f1 a3 7a 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 56 0c 10 0a cc 48 8d 3d 2e 6c 73
RSP: 0018:ffffc9000db67310 EFLAGS: 00000292
RAX: 0cbd54bcb806ac00 RBX: 0000000000000246 RCX: 0000000080000001
RDX: 0000000072a5f24f RSI: ffffffff8e168ad8 RDI: ffffffff8c27c200
RBP: 0000000000000000 R08: ffffffff823c1fa4 R09: ffffffff8e75e520
R10: dffffc0000000000 R11: fffff940003a4d09 R12: 0000000000000002
R13: ffffffff8e75e520 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
rcu_read_lock include/linux/rcupdate.h:850 [inline]
page_table_check_clear+0x164/0x5f0 mm/page_table_check.c:77
ptep_get_and_clear_full arch/x86/include/asm/jump_label.h:-1 [inline]
get_and_clear_full_ptes include/linux/pgtable.h:846 [inline]
zap_present_folio_ptes mm/memory.c:1643 [inline]
zap_present_ptes mm/memory.c:1725 [inline]
do_zap_pte_range mm/memory.c:1827 [inline]
zap_pte_range mm/memory.c:1929 [inline]
zap_pmd_range mm/memory.c:2021 [inline]
zap_pud_range mm/memory.c:2049 [inline]
zap_p4d_range mm/memory.c:2070 [inline]
unmap_page_range+0x33b3/0x48f0 mm/memory.c:2091
unmap_single_vma mm/memory.c:2133 [inline]
unmap_vmas+0x48f/0x6a0 mm/memory.c:2171
exit_mmap+0x280/0xa10 mm/mmap.c:1302
__mmput+0x118/0x430 kernel/fork.c:1175
exit_mm+0x168/0x220 kernel/exit.c:581
do_exit+0x6a2/0x23c0 kernel/exit.c:964
do_group_exit+0x21b/0x2d0 kernel/exit.c:1118
get_signal+0x1284/0x1330 kernel/signal.c:3034
arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98
__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 include/linux/entry-common.h:325 [inline]
do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8ccd39c799
Code: Unable to access opcode bytes at 0x7f8ccd39c76f.
RSP: 002b:00007f8cce1c90e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f8ccd615fa8 RCX: 00007f8ccd39c799
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8ccd615fa8
RBP: 00007f8ccd615fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8ccd616038 R14: 00007fff340f6e20 R15: 00007fff340f6f08
----------------
Code disassembly (best guess):
0: ff 4c 8b 7c decl 0x7c(%rbx,%rcx,4)
4: 24 08 and $0x8,%al
6: 48 8b 44 24 38 mov 0x38(%rsp),%rax
b: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax
f: 84 c0 test %al,%al
11: 0f 85 d3 01 00 00 jne 0x1ea
17: 41 8b 0f mov (%r15),%ecx
1a: 4c 89 f7 mov %r14,%rdi
1d: 48 8b 74 24 18 mov 0x18(%rsp),%rsi
22: 44 8b 44 24 2c mov 0x2c(%rsp),%r8d
27: 45 89 e9 mov %r13d,%r9d
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 4c 8b 74 24 30 mov 0x30(%rsp),%r14
34: e9 81 fe ff ff jmp 0xfffffeba
39: 44 89 f9 mov %r15d,%ecx
3c: 80 e1 07 and $0x7,%cl
3f: 80 .byte 0x80