------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 1 PID: 13192 at net/mac80211/rate.c:403 __rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398
Modules linked in:
CPU: 1 UID: 0 PID: 13192 Comm: syz.3.1989 Not tainted 6.16.0-syzkaller-12084-g33caa208dba6 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398
Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 60 60 b0 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 82 13 94 f6 90 <0f> 0b 90 90 e9 73 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90000a08538 EFLAGS: 00010246
RAX: 88fdc8cf2a2f9c00 RBX: 000000000000000c RCX: ffff88807ac6bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffff88801155c7a8
R13: 0000000000000000 R14: ffff8880262a8e40 R15: ffff8880262ab0d8
FS: 0000000000000000(0000) GS:ffff888125d21000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe41ab464e8 CR3: 0000000074f6c000 CR4: 00000000003526f0
Call Trace:
rate_control_send_low+0x194/0x7a0 net/mac80211/rate.c:423
rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:934
ieee80211_beacon_get_finish+0x39a/0x6c0 net/mac80211/tx.c:5263
__ieee80211_beacon_get_ap net/mac80211/tx.c:5366 [inline]
ieee80211_beacon_get_ap+0x1868/0x1f30 net/mac80211/tx.c:5428
__ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5535
ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5677
ieee80211_beacon_get include/net/mac80211.h:5663 [inline]
mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2319
__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/0x1c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2353
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
handle_softirqs+0x283/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0x180c/0x2390 arch/x86/kernel/unwind_orc.c:665
Code: 85 f4 08 00 00 b3 01 8b 84 24 84 00 00 00 41 39 06 4c 8b 7c 24 48 48 8b 7c 24 70 0f 85 54 01 00 00 48 8b 44 24 58 80 3c 28 00 <74> 05 e8 4d 3d b0 00 4d 8b 66 38 49 8d 7e 08 48 89 f8 48 c1 e8 03
RSP: 0018:ffffc9000bfe7158 EFLAGS: 00000246
RAX: 1ffff920017fce4c RBX: 00007f68fee11e01 RCX: dffffc0000000000
RDX: ffffffff902a3e92 RSI: 0000000000000000 RDI: ffffc9000bfe7260
RBP: dffffc0000000000 R08: 0000000000000022 R09: ffffffff8172c195
R10: ffffc9000bfe7278 R11: ffffffff81ac3890 R12: ffffc9000bfe7f58
R13: ffffc9000bfe7278 R14: ffffc9000bfe7228 R15: ffffffff8172c195
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:47
kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:548
slab_free_hook mm/slub.c:2378 [inline]
slab_free mm/slub.c:4680 [inline]
kmem_cache_free+0x2f6/0x400 mm/slub.c:4782
anon_vma_free mm/rmap.c:137 [inline]
__put_anon_vma+0x12b/0x2d0 mm/rmap.c:2764
put_anon_vma include/linux/rmap.h:117 [inline]
unlink_anon_vmas+0x503/0x670 mm/rmap.c:444
free_pgtables+0x57a/0x9c0 mm/memory.c:398
exit_mmap+0x444/0xb50 mm/mmap.c:1291
__mmput+0x118/0x430 kernel/fork.c:1129
exit_mm+0x1da/0x2c0 kernel/exit.c:582
do_exit+0x648/0x2300 kernel/exit.c:949
do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
get_signal+0x1286/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:40
exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f68fed8ebe9
Code: Unable to access opcode bytes at 0x7f68fed8ebbf.
RSP: 002b:00007f68ffbd4038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 0000000000000084 RBX: 00007f68fefb6090 RCX: 00007f68fed8ebe9
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000000000000007
RBP: 00007f68fee11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f68fefb6128 R14: 00007f68fefb6090 R15: 00007ffe32cad308
----------------
Code disassembly (best guess):
0: 85 f4 test %esi,%esp
2: 08 00 or %al,(%rax)
4: 00 b3 01 8b 84 24 add %dh,0x24848b01(%rbx)
a: 84 00 test %al,(%rax)
c: 00 00 add %al,(%rax)
e: 41 39 06 cmp %eax,(%r14)
11: 4c 8b 7c 24 48 mov 0x48(%rsp),%r15
16: 48 8b 7c 24 70 mov 0x70(%rsp),%rdi
1b: 0f 85 54 01 00 00 jne 0x175
21: 48 8b 44 24 58 mov 0x58(%rsp),%rax
26: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1)
* 2a: 74 05 je 0x31 <-- trapping instruction
2c: e8 4d 3d b0 00 call 0xb03d7e
31: 4d 8b 66 38 mov 0x38(%r14),%r12
35: 49 8d 7e 08 lea 0x8(%r14),%rdi
39: 48 89 f8 mov %rdi,%rax
3c: 48 c1 e8 03 shr $0x3,%rax