------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 1 PID: 18045 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: 18045 Comm: syz.1.3888 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 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 c0 c8 8a 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 bf 7a c0 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: 0000:ffffc90000a08538 EFLAGS: 00010246 RAX: e5cfb7438223d500 RBX: 000000000000000c RCX: ffff88802e7cbc80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa658 R12: ffff88801fbf3168 R13: 0000000000000000 R14: ffff888069058e80 R15: ffff88806905b138 FS: 00005555565ed500(0000) GS:ffff888125e0f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2b684c CR3: 000000005d0d8000 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_ap net/mac80211/tx.c:5463 [inline] ieee80211_beacon_get_ap+0x1868/0x1f30 net/mac80211/tx.c:5525 __ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5632 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:2355 __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:2389 __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+0x283/0x870 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:702 RIP: 0010:lock_is_held_type+0x137/0x190 kernel/locking/lockdep.c:5945 Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 d9 c9 45 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0000:ffffc90004e478f8 EFLAGS: 00000206 RAX: e5cfb7438223d500 RBX: 0000000000000000 RCX: e5cfb7438223d500 RDX: ffff88802e7cbc80 RSI: ffffffff8d9d15ab RDI: ffffffff8bc074e0 RBP: 00000000ffffffff R08: ffffea0001d6c987 R09: 1ffffd40003ad930 R10: dffffc0000000000 R11: fffff940003ad931 R12: 0000000000000246 R13: ffff88802e7cbc80 R14: ffff88804ddf34a8 R15: 0000000000000005 lock_is_held include/linux/lockdep.h:249 [inline] xa_entry include/linux/xarray.h:1226 [inline] xas_reload+0xfc/0x470 include/linux/xarray.h:1624 next_uptodate_folio+0x15f/0x5d0 mm/filemap.c:3654 filemap_map_pages+0x11ea/0x1c60 mm/filemap.c:3856 do_fault_around mm/memory.c:5656 [inline] do_read_fault mm/memory.c:5689 [inline] do_fault mm/memory.c:5832 [inline] do_pte_missing mm/memory.c:4361 [inline] handle_pte_fault mm/memory.c:6177 [inline] __handle_mm_fault+0x347e/0x5400 mm/memory.c:6318 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6487 do_user_addr_fault+0xa7c/0x1380 arch/x86/mm/fault.c:1336 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x82/0x100 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f3cbe66f0cd Code: ff 48 83 e8 01 48 89 ee bf 01 00 00 00 48 c1 e0 0e 48 c1 ee 06 48 01 c8 48 89 e9 81 e6 ff 3f 00 00 48 c1 e9 03 83 e1 07 d3 e7 <40> 84 bc 06 20 20 00 00 0f 85 11 fd ff ff e9 c0 fd ff ff e8 3b 2b RSP: 002b:00007f3cbeb0fa60 EFLAGS: 00010202 RAX: 000000110c2b4000 RBX: 00007f3cbf515720 RCX: 0000000000000001 RDX: 0000000000000b0a RSI: 000000000000082c RDI: 0000000000000002 RBP: ffffffff82220b0a R08: 00007f3cbe9e6038 R09: 00007f3cbe9d2000 R10: 00007f3cbe1ff008 R11: 0000000000000002 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff82220bc5 R15: 00000000000003cf ---------------- Code disassembly (best guess): 0: 01 75 44 add %esi,0x44(%rbp) 3: 48 c7 04 24 00 00 00 movq $0x0,(%rsp) a: 00 b: 9c pushf c: 8f 04 24 pop (%rsp) f: f7 04 24 00 02 00 00 testl $0x200,(%rsp) 16: 75 4c jne 0x64 18: 41 f7 c4 00 02 00 00 test $0x200,%r12d 1f: 74 01 je 0x22 21: fb sti 22: 65 48 8b 05 d9 c9 45 mov %gs:0x745c9d9(%rip),%rax # 0x745ca03 29: 07 * 2a: 48 3b 44 24 08 cmp 0x8(%rsp),%rax <-- trapping instruction 2f: 75 43 jne 0x74 31: 89 d8 mov %ebx,%eax 33: 48 83 c4 10 add $0x10,%rsp 37: 5b pop %rbx 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: 41 5e pop %r14 3e: 41 5f pop %r15