------------[ 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#1: syz.4.5556/24070
Modules linked in:
CPU: 1 UID: 0 PID: 24070 Comm: syz.4.5556 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+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:ffffc90000a08618 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff90003ff0
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff8880273fcca8
R13: 0000000000000000 R14: ffffffff90003ff0 R15: ffff88802a913138
FS: 0000000000000000(0000) GS:ffff8881257f3000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f375c296f50 CR3: 000000005ca79000 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+0x3af/0x6f0 net/mac80211/tx.c:5364
ieee80211_beacon_get_ap+0x196a/0x2040 net/mac80211/tx.c:-1
__ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5636
ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5778
ieee80211_beacon_get include/net/mac80211.h:5669 [inline]
mac80211_hwsim_beacon_tx+0x3c5/0x870 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+0x527/0xc30 kernel/time/hrtimer.c:1841
hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1858
handle_softirqs+0x22a/0x7c0 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:const_folio_flags include/linux/page-flags.h:351 [inline]
RIP: 0010:folio_test_swapbacked include/linux/page-flags.h:578 [inline]
RIP: 0010:mm_counter_file include/linux/mm.h:2889 [inline]
RIP: 0010:mm_counter include/linux/mm.h:2898 [inline]
RIP: 0010:zap_present_folio_ptes mm/memory.c:1640 [inline]
RIP: 0010:zap_present_ptes mm/memory.c:1712 [inline]
RIP: 0010:do_zap_pte_range mm/memory.c:1814 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1858 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1950 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1978 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1999 [inline]
RIP: 0010:unmap_page_range+0x1c9f/0x4030 mm/memory.c:2020
Code: 89 f7 e8 f4 54 1b 00 4d 8b 36 4c 89 f6 48 83 e6 01 31 ff e8 03 0a b3 ff 49 83 e6 01 0f 85 89 00 00 00 48 8b 84 24 18 01 00 00 <42> 80 3c 28 00 74 08 4c 89 ff e8 c2 54 1b 00 4d 8b 37 4c 89 f6 48
RSP: 0018:ffffc9000c1d76a0 EFLAGS: 00000246
RAX: 1ffffd40001d2871 RBX: 800000003a50e007 RCX: ffff88802b2f3d00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000c1d7930 R08: ffff88801c4b94af R09: 1ffff11003897295
R10: dffffc0000000000 R11: ffffed1003897296 R12: 1ffffd40001d2873
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea0000e94388
unmap_single_vma mm/memory.c:2062 [inline]
unmap_vmas+0x3c0/0x5c0 mm/memory.c:2104
exit_mmap+0x251/0xb30 mm/mmap.c:1277
__mmput+0x118/0x430 kernel/fork.c:1173
exit_mm+0x168/0x220 kernel/exit.c:581
do_exit+0x62e/0x2310 kernel/exit.c:959
do_group_exit+0x21b/0x2d0 kernel/exit.c:1112
__do_sys_exit_group kernel/exit.c:1123 [inline]
__se_sys_exit_group kernel/exit.c:1121 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1121
x64_sys_call+0x2210/0x2210 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6fafb9aeb9
Code: Unable to access opcode bytes at 0x7f6fafb9ae8f.
RSP: 002b:00007ffd851906d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6fafb9aeb9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd8519073c R08: 0000000000000000 R09: 00000000000927c0
R10: 00007f6fafe16038 R11: 0000000000000246 R12: 000000000000021c
R13: 00000000000927c0 R14: 00000000000bc3cd R15: 00007ffd85190790
----------------
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