------------[ 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#1: syz.3.37077/11269
Modules linked in:
CPU: 1 UID: 0 PID: 11269 Comm: syz.3.37077 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
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:ffffc90000a186d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff908bff90
RBP: ffff888057aa0f40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 8000000000000100 R12: ffff888022eb8b68
R13: dffffc0000000000 R14: ffffffff908bff90 R15: ffff888057aa3258
FS: 0000000000000000(0000) GS:ffff888124de0000(0000) knlGS:0000000000000000
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002e210ff8 CR3: 0000000079bae000 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:5556
ieee80211_beacon_get_ap+0x19d5/0x20c0 net/mac80211/tx.c:-1
__ieee80211_beacon_get+0x1250/0x1920 net/mac80211/tx.c:5827
ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5969
ieee80211_beacon_get include/net/mac80211.h:5902 [inline]
mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2500
__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:2536
__run_hrtimer kernel/time/hrtimer.c:2067 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2124
hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2141
handle_softirqs+0x226/0x860 kernel/softirq.c:645
__do_softirq kernel/softirq.c:679 [inline]
invoke_softirq kernel/softirq.c:519 [inline]
__irq_exit_rcu+0xcb/0x220 kernel/softirq.c:767
irq_exit_rcu+0x9/0x30 kernel/softirq.c:784
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_acquire+0x232/0x350 kernel/locking/lockdep.c:5913
Code: ff ff ff e8 40 dc 3f 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 92 e7 f0 11 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 07 23 da
RSP: 0018:ffffc900046a7060 EFLAGS: 00000296
RAX: 7c21ae3424767e00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000026d1e3bb RSI: ffffffff8e6fac39 RDI: ffffffff8c6d8b80
RBP: ffff8880a83d3e80 R08: fd00000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8ed5c6e0 R12: ffffffff8ed5c6e0
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263 [inline]
__kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563
_kmalloc_noprof include/linux/slab.h:991 [inline]
slab_free_hook mm/slub.c:2700 [inline]
slab_free mm/slub.c:6499 [inline]
kmem_cache_free+0x156/0x650 mm/slub.c:6626
anon_vma_free mm/rmap.c:137 [inline]
__put_anon_vma+0x12b/0x2d0 mm/rmap.c:2970
put_anon_vma mm/internal.h:290 [inline]
unlink_anon_vmas+0x544/0x720 mm/rmap.c:536
free_pgtables+0x663/0xb70 mm/memory.c:401
exit_mmap+0x4aa/0x9f0 mm/mmap.c:1327
__mmput+0x118/0x420 kernel/fork.c:1193
exit_mm+0x221/0x2d0 kernel/exit.c:614
do_exit+0x6cd/0x2360 kernel/exit.c:996
do_group_exit+0x22d/0x2f0 kernel/exit.c:1151
get_signal+0x121b/0x12c0 kernel/signal.c:3039
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
__do_fast_syscall_32+0x437/0x6a0 arch/x86/entry/syscall_32.c:294
do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:316
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf6fff0ec
Code: Unable to access opcode bytes at 0xf6fff0c2.
RSP: 002b:00000000f53ed5bc EFLAGS: 00000206 ORIG_RAX: 00000000000000f0
RAX: fffffffffffffe00 RBX: 00000000f73f4f88 RCX: 0000000000000080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f73f4f8c
RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
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