------------[ 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.1.5815/29158
Modules linked in:
CPU: 0 UID: 0 PID: 29158 Comm: syz.1.5815 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
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:ffffc900000078d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff906964d0
RBP: ffff88804c680f40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff8880774d6b68
R13: dffffc0000000000 R14: ffffffff906964d0 R15: ffff88804c683258
FS: 0000000000000000(0000) GS:ffff888124f54000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000014000 CR3: 000000007532c000 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:5529
__ieee80211_beacon_get+0xe2b/0x1920 net/mac80211/tx.c:-1
ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5942
ieee80211_beacon_get include/net/mac80211.h:5890 [inline]
mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2489
__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:2525
__run_hrtimer kernel/time/hrtimer.c:2032 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2096
hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2113
handle_softirqs+0x225/0x840 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
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:lock_release+0x2d7/0x3c0 kernel/locking/lockdep.c:5893
Code: 1d ca 11 00 00 00 00 eb b5 e8 c5 dd 2d 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 b5 d8 c9 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 9a de 30 0a cc 48 8d 3d 52 e0 b7
RSP: 0018:ffffc900051aefc8 EFLAGS: 00000282
RAX: b63f0782f45d3200 RBX: 0000000000000206 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8e4b3728 RDI: ffffffff8c4bdb80
RBP: ffff888054708ba0 R08: ffffc900051af320 R09: 0000000000000000
R10: ffffc900051af0f8 R11: fffff52000a35e21 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8eb59c60 R15: ffff888054708000
rcu_lock_release include/linux/rcupdate.h:310 [inline]
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
class_rcu_destructor include/linux/rcupdate.h:1183 [inline]
unwind_next_frame+0x1baa/0x2550 arch/x86/kernel/unwind_orc.c:709
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:165
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
free_unref_folios+0xd84/0x14a0 mm/page_alloc.c:3011
folios_put_refs+0x9e9/0xb30 mm/swap.c:1057
folio_batch_release include/linux/folio_batch.h:101 [inline]
shmem_undo_range+0x4e6/0x15d0 mm/shmem.c:1149
shmem_truncate_range mm/shmem.c:1277 [inline]
shmem_evict_inode+0x280/0xa80 mm/shmem.c:1407
evict+0x624/0xb50 fs/inode.c:825
dentry_kill+0x1b9/0x880 fs/dcache.c:826
finish_dput+0x1a/0x260 fs/dcache.c:1001
__fput+0x675/0xa50 fs/file_table.c:520
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x73a/0x2360 kernel/exit.c:1009
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
__do_sys_exit_group kernel/exit.c:1163 [inline]
__se_sys_exit_group kernel/exit.c:1161 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1161
x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f45ea99de99
Code: Unable to access opcode bytes at 0x7f45ea99de6f.
RSP: 002b:00007ffd3ca269d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45ea99de99
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd3ca26a3c R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000247
R13: 00000000000927c0 R14: 00000000000b364e R15: 00007ffd3ca26a90
----------------
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