------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20
WARNING: CPU: 1 PID: 5613 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Modules linked in:
CPU: 1 PID: 5613 Comm: syz.2.270 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Code: 30 42 0f b6 04 28 84 c0 0f 85 e6 01 00 00 41 8b 0e 48 c7 c7 e0 21 86 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 2b 25 bf f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff
RSP: 0018:ffffc900001e0600 EFLAGS: 00010246
RAX: fe1c6fc83e0a8200 RBX: 000000000000000c RCX: ffff8880775c3b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000084 R08: dffffc0000000000 R09: fffff5200003c051
R10: fffff5200003c051 R11: 1ffff9200003c050 R12: 0000000000000020
R13: dffffc0000000000 R14: ffff888025873378 R15: ffff888059d31028
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc4560b0f8 CR3: 000000005d39a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405
rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:921
ieee80211_beacon_get_finish+0x37c/0x6a0 net/mac80211/tx.c:5131
__ieee80211_beacon_get+0x18e0/0x1f50 net/mac80211/tx.c:-1
ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5352
ieee80211_beacon_get include/net/mac80211.h:5264 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
__run_hrtimer kernel/time/hrtimer.c:1747 [inline]
__hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1811
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
RIP: 0010:rcu_is_watching+0x4a/0xa0 kernel/rcu/tree.c:721
Code: ff df 4c 8d 34 dd 80 89 3d 8c 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 70 f2 65 00 48 c7 c3 c8 57 03 00 49 03 1e <48> 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 2f 8b 03 65 ff 0d 75
RSP: 0018:ffffc900032574f0 EFLAGS: 00000282
RAX: 1ffffffff187b131 RBX: ffff8880b8f357c8 RCX: fe1c6fc83e0a8200
RDX: 0000000000000000 RSI: ffffffff8abef900 RDI: ffffffff8abef8c0
RBP: ffff88805682d000 R08: dffffc0000000000 R09: fffffbfff2119049
R10: fffffbfff2119049 R11: 1ffffffff2119048 R12: ffff88802ef22280
R13: ffffc90003257588 R14: ffffffff8c3d8988 R15: dffffc0000000000
rcu_read_lock include/linux/rcupdate.h:792 [inline]
percpu_ref_put_many include/linux/percpu-refcount.h:330 [inline]
percpu_ref_put+0x40/0x100 include/linux/percpu-refcount.h:351
obj_cgroup_put include/linux/memcontrol.h:795 [inline]
memcg_slab_free_hook+0x16d/0x1f0 mm/slab.h:572
slab_free mm/slub.c:3682 [inline]
kmem_cache_free+0xe0/0x290 mm/slub.c:3709
anon_vma_chain_free mm/rmap.c:146 [inline]
unlink_anon_vmas+0x2c8/0x660 mm/rmap.c:420
free_pgtables+0x24e/0x3d0 mm/memory.c:430
exit_mmap+0x33b/0x8e0 mm/mmap.c:3260
__mmput+0x118/0x3c0 kernel/fork.c:1200
exit_mm+0x1e6/0x2c0 kernel/exit.c:565
do_exit+0x8c1/0x2400 kernel/exit.c:867
do_group_exit+0x217/0x2d0 kernel/exit.c:1022
get_signal+0x1272/0x1350 kernel/signal.c:2871
arch_do_signal_or_restart+0xb7/0x1240 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb739b8f749
Code: Unable to access opcode bytes at 0x7fb739b8f71f.
RSP: 002b:00007fb73a9680e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fb739de5fa8 RCX: 00007fb739b8f749
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb739de5fa8
RBP: 00007fb739de5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb739de6038 R14: 00007ffdad0238a0 R15: 00007ffdad023988
----------------
Code disassembly (best guess), 1 bytes skipped:
0: df 4c 8d 34 fisttps 0x34(%rbp,%rcx,4)
4: dd 80 89 3d 8c 4c fldl 0x4c8c3d89(%rax)
a: 89 f0 mov %esi,%eax
c: 48 c1 e8 03 shr $0x3,%rax
10: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
15: 74 08 je 0x1f
17: 4c 89 f7 mov %r14,%rdi
1a: e8 70 f2 65 00 call 0x65f28f
1f: 48 c7 c3 c8 57 03 00 mov $0x357c8,%rbx
26: 49 03 1e add (%r14),%rbx
* 29: 48 89 d8 mov %rbx,%rax <-- trapping instruction
2c: 48 c1 e8 03 shr $0x3,%rax
30: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax
35: 84 c0 test %al,%al
37: 75 2f jne 0x68
39: 8b 03 mov (%rbx),%eax
3b: 65 gs
3c: ff .byte 0xff
3d: 0d .byte 0xd
3e: 75 .byte 0x75