------------[ 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: modprobe/12701 Modules linked in: CPU: 1 UID: 0 PID: 12701 Comm: modprobe Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 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: 0000:ffffc90000a08618 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9022ed90 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000100 R12: ffff88806a3f0a28 R13: 0000000000000000 R14: ffffffff9022ed90 R15: ffff88809658b138 FS: 0000000000000000(0000) GS:ffff88812555d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007facb45106c8 CR3: 0000000025fc6000 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+0x3af/0x6f0 net/mac80211/tx.c:5367 ieee80211_beacon_get_ap+0x196a/0x2040 net/mac80211/tx.c:-1 __ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5638 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5780 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:lock_acquire+0x20b/0x2e0 kernel/locking/lockdep.c:5872 Code: e9 30 ff ff ff e8 75 f6 0c 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 f1 a3 7a 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 56 dc 0f 0a cc 48 8d 3d 2e 6b 73 RSP: 0000:ffffc90005257620 EFLAGS: 00000292 RAX: 30bf3c8e24aa4d00 RBX: 0000000000000246 RCX: 0000000000000046 RDX: 0000000084637640 RSI: ffffffff8e16803f RDI: ffffffff8c27c200 RBP: 0000000000000000 R08: ffffffff81af371d R09: ffffffff8e75e520 R10: ffffc90005257738 R11: ffffffff81b0c260 R12: 0000000000000002 R13: ffffffff8e75e520 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:312 [inline] rcu_read_lock include/linux/rcupdate.h:850 [inline] class_rcu_constructor include/linux/rcupdate.h:1193 [inline] is_module_text_address+0x39/0x1e0 kernel/module/main.c:3857 kernel_text_address+0x94/0xe0 kernel/extable.c:119 __kernel_text_address+0xd/0x30 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:385 arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26 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 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4538 [inline] slab_alloc_node mm/slub.c:4866 [inline] kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4873 anon_vma_alloc mm/rmap.c:94 [inline] __anon_vma_prepare+0x117/0x4a0 mm/rmap.c:201 __vmf_anon_prepare mm/memory.c:3734 [inline] vmf_anon_prepare mm/internal.h:502 [inline] do_cow_fault mm/memory.c:5819 [inline] do_fault mm/memory.c:5935 [inline] do_pte_missing+0x2ec4/0x3490 mm/memory.c:4477 handle_pte_fault mm/memory.c:6317 [inline] __handle_mm_fault mm/memory.c:6455 [inline] handle_mm_fault+0x1bec/0x3310 mm/memory.c:6624 do_user_addr_fault+0xa73/0x1340 arch/x86/mm/fault.c:1334 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: 0033:0x7facb460cff2 Code: 0f 60 c0 66 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 72 76 48 83 fa 20 77 12 0f 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 <0f> 11 07 0f 11 47 10 48 01 d7 48 83 fa 40 76 e7 0f 11 40 20 0f 11 RSP: 002b:00007ffdbcf44d18 EFLAGS: 00010206 RAX: 00007facb45106c8 RBX: 0000000000000004 RCX: 00007facb451de98 RDX: 0000000000000938 RSI: 0000000000000000 RDI: 00007facb45106c8 RBP: 00007ffdbcf454a0 R08: 00007facb45106c8 R09: 0000000000000003 R10: 0000000000000812 R11: 00007ffdbcf45030 R12: 00007ffdbcf44dc8 R13: 00007facb45e05f0 R14: 00007ffdbcf45540 R15: 00007facb4511000 ---------------- 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