------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 1 PID: 21708 at net/mac80211/rate.c:406 __rate_control_send_low+0x5e2/0x820 net/mac80211/rate.c:401
Modules linked in:
CPU: 1 UID: 0 PID: 21708 Comm: syz.6.4678 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__rate_control_send_low+0x5e2/0x820 net/mac80211/rate.c:401
Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 a0 8d 89 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 4f 90 c5 f6 90 <0f> 0b 90 90 e9 70 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90000a08758 EFLAGS: 00010246
RAX: 88d64027fe94f800 RBX: 000000000000000c RCX: ffff88804da0bc80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba684 R12: ffff888031960a28
R13: 0000000000000000 R14: ffff88807add8e80 R15: ffff88807addb138
FS: 00005555832be500(0000) GS:ffff888126239000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2eb22ff8 CR3: 0000000060a9e000 CR4: 00000000003526f0
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+0x39a/0x6c0 net/mac80211/tx.c:5360
__ieee80211_beacon_get+0xd3d/0x1880 net/mac80211/tx.c:-1
ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5774
ieee80211_beacon_get include/net/mac80211.h:5667 [inline]
mac80211_hwsim_beacon_tx+0x3ce/0x860 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+0x52c/0xc60 kernel/time/hrtimer.c:1841
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858
handle_softirqs+0x286/0x870 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:batadv_hardif_get_by_netdev+0x173/0x3b0 net/batman-adv/hard-interface.c:73
Code: 0f 84 7f 01 00 00 4c 89 74 24 08 49 8d 5f 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b2 da 12 f7 4c 39 33 74 0a e8 18 ad f6 e9 dc 00 00 00 4d 8d 6f 28 4c 89 ef be 04 00 00 00
RSP: 0018:ffffc9000d6d78c0 EFLAGS: 00000287
RAX: 1ffff1100b4bbb03 RBX: ffff88805a5dd818 RCX: ffff88804da0bc80
RDX: 0000000000000000 RSI: ffffffff8bbf08c0 RDI: ffffffff8bbf0880
RBP: ffffc9000d6d7970 R08: 0000000000000000 R09: ffffffff8b12e9de
R10: dffffc0000000000 R11: ffffffff8b132980 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888062050000 R15: ffff88805a5dd800
batadv_hard_if_event+0x82/0x1730 net/batman-adv/hard-interface.c:955
notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
call_netdevice_notifiers net/core/dev.c:2281 [inline]
unregister_netdevice_many_notify+0x1c8f/0x2390 net/core/dev.c:12302
unregister_netdevice_many net/core/dev.c:12347 [inline]
unregister_netdevice_queue+0x33c/0x380 net/core/dev.c:12161
unregister_netdevice include/linux/netdevice.h:3389 [inline]
__tun_detach+0x6d9/0x15d0 drivers/net/tun.c:621
tun_detach drivers/net/tun.c:637 [inline]
tun_chr_close+0x10a/0x1c0 drivers/net/tun.c:3436
__fput+0x44c/0xa70 fs/file_table.c:468
task_work_run+0x1d4/0x260 kernel/task_work.c:227
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
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/0xfa0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f005eb8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe9048e3a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000008bb2f RCX: 00007f005eb8f749
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f005ede7da0 R08: 0000000000000001 R09: 000000129048e69f
R10: 0000001b2db20000 R11: 0000000000000246 R12: 00007f005ede5fac
R13: 00007f005ede5fa0 R14: ffffffffffffffff R15: 00007ffe9048e4c0
----------------
Code disassembly (best guess):
0: 0f 84 7f 01 00 00 je 0x185
6: 4c 89 74 24 08 mov %r14,0x8(%rsp)
b: 49 8d 5f 18 lea 0x18(%r15),%rbx
f: 48 89 d8 mov %rbx,%rax
12: 48 c1 e8 03 shr $0x3,%rax
16: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
1b: 74 08 je 0x25
1d: 48 89 df mov %rbx,%rdi
20: e8 b2 da 12 f7 call 0xf712dad7
25: 4c 39 33 cmp %r14,(%rbx)
28: 74 0a je 0x34
* 2a: e8 e8 18 ad f6 call 0xf6ad1917 <-- trapping instruction
2f: e9 dc 00 00 00 jmp 0x110
34: 4d 8d 6f 28 lea 0x28(%r15),%r13
38: 4c 89 ef mov %r13,%rdi
3b: be 04 00 00 00 mov $0x4,%esi