------------[ 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.0.11320/4879
Modules linked in:
CPU: 1 UID: 0 PID: 4879 Comm: syz.0.11320 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026
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:ffffc90000a08838 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9022d2e0
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff8880354f6168
R13: 0000000000000000 R14: ffffffff9022d2e0 R15: ffff8880297c3138
FS: 00007f91d76e66c0(0000) GS:ffff888125563000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000001bb030 CR3: 0000000076734000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000001000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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:5365
__ieee80211_beacon_get+0xd3d/0x1880 net/mac80211/tx.c:-1
ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5778
ieee80211_beacon_get include/net/mac80211.h:5720 [inline]
mac80211_hwsim_beacon_tx+0x3c5/0x870 drivers/net/wireless/virtual/mac80211_hwsim.c:2361
__iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:760
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:796
mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2395
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x53a/0xcc0 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
handle_softirqs+0x22a/0x870 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:get_current arch/x86/include/asm/current.h:25 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216
Code: 8b 3d 24 42 55 0c 48 89 de 5b e9 53 89 5e 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d 48 32 56 11 65 8b 15 69 32 56 11 81 e2 00 01 ff 00 74
RSP: 0018:ffffc9000feaf0d8 EFLAGS: 00000202
RAX: ffffffff81b9bbfd RBX: 1ffff110170c8515 RCX: 0000000000080000
RDX: ffffc9000e5a1000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000feaf210 R08: ffffffff90118bb7 R09: 1ffffffff2023176
R10: dffffc0000000000 R11: fffffbfff2023177 R12: ffff8880b86428a8
R13: dffffc0000000000 R14: ffff8880b873bf80 R15: 0000000000000000
csd_lock_wait kernel/smp.c:342 [inline]
smp_call_function_many_cond+0xcfd/0x12c0 kernel/smp.c:877
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1043
__flush_tlb_multi arch/x86/include/asm/paravirt.h:57 [inline]
flush_tlb_multi arch/x86/mm/tlb.c:1382 [inline]
flush_tlb_mm_range+0x5c3/0x10c0 arch/x86/mm/tlb.c:1472
flush_tlb_page arch/x86/include/asm/tlbflush.h:323 [inline]
ptep_clear_flush+0x120/0x170 mm/pgtable-generic.c:103
wp_page_copy mm/memory.c:3846 [inline]
do_wp_page+0x4129/0x5a00 mm/memory.c:4241
handle_pte_fault mm/memory.c:6333 [inline]
__handle_mm_fault mm/memory.c:6455 [inline]
handle_mm_fault+0x1520/0x3310 mm/memory.c:6624
do_user_addr_fault+0x75b/0x1340 arch/x86/mm/fault.c:1385
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0010:__put_user_nocheck_4+0x3/0x10 arch/x86/lib/putuser.S:104
Code: d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 01 cb <89> 01 31 c9 0f 01 ca e9 51 75 03 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000feaf8b8 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00002000001bb030
RDX: ffff888035f1bd00 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc9000feafa30 R08: ffffc9000feaf687 R09: 1ffff92001fd5ed0
R10: dffffc0000000000 R11: fffff52001fd5ed1 R12: 1ffff92001fd5f24
R13: 0000000000000002 R14: 00002000001bb000 R15: dffffc0000000000
____sys_recvmsg+0x2be/0x4a0 net/socket.c:2825
___sys_recvmsg+0x215/0x590 net/socket.c:2854
do_recvmmsg+0x334/0x800 net/socket.c:2949
__sys_recvmmsg net/socket.c:3023 [inline]
__do_sys_recvmmsg net/socket.c:3046 [inline]
__se_sys_recvmmsg net/socket.c:3039 [inline]
__x64_sys_recvmmsg+0x198/0x250 net/socket.c:3039
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f91d679c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f91d76e6028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f91d6a16090 RCX: 00007f91d679c799
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f91d6832c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f91d6a16128 R14: 00007f91d6a16090 R15: 00007f91d6b3fa48
----------------
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