------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 0 PID: 15046 at net/mac80211/rate.c:398 __rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398 Modules linked in: CPU: 0 UID: 0 PID: 15046 Comm: syz.2.3299 Not tainted 6.15.0-syzkaller-07774-g90b83efa6701 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398 Code: a4 a0 d4 00 00 00 e8 fe 30 cc f6 44 8b 44 24 24 45 89 e9 89 d9 48 8b 74 24 08 44 89 e2 48 c7 c7 c0 5b e5 8c e8 90 60 8b f6 90 <0f> 0b 90 90 e9 26 fd ff ff 48 8b 3c 24 e8 4d bf 31 f7 e9 fb fc ff RSP: 0018:ffffc90000007870 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817aa908 RDX: ffff8880596d0000 RSI: ffffffff817aa915 RDI: 0000000000000001 RBP: ffff88802a168de8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff R13: 0000000000000000 R14: 000000000000000c R15: ffff88802a168df0 FS: 0000000000000000(0000) GS:ffff88812497b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c24fff1 CR3: 000000006f778000 CR4: 0000000000350ef0 Call Trace: rate_control_send_low+0x29a/0x820 net/mac80211/rate.c:423 rate_control_get_rate+0x1be/0x5e0 net/mac80211/rate.c:934 ieee80211_beacon_get_finish+0x467/0x670 net/mac80211/tx.c:5239 ieee80211_beacon_get_ap+0x79d/0x1190 net/mac80211/tx.c:5342 __ieee80211_beacon_get+0xf9c/0x1720 net/mac80211/tx.c:5438 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5580 ieee80211_beacon_get include/net/mac80211.h:5638 [inline] mac80211_hwsim_beacon_tx+0x4d9/0xa40 drivers/net/wireless/virtual/mac80211_hwsim.c:2319 __iterate_interfaces+0x2e5/0x650 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2353 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:trace_lock_acquire include/trace/events/lock.h:24 [inline] RIP: 0010:lock_acquire+0x4e/0x350 kernel/locking/lockdep.c:5834 Code: 48 8b 05 dd 49 12 12 48 89 44 24 30 31 c0 66 90 65 8b 05 f9 49 12 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 02 79 ef 0e <0f> 82 74 02 00 00 8b 35 ca aa ef 0e 85 f6 0f 85 8d 00 00 00 48 8b RSP: 0018:ffffc9000b0174b8 EFLAGS: 00000297 RAX: 0000000000000000 RBX: ffffffff8e3c27c0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e3c27c0 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] page_table_check_clear+0x190/0x740 mm/page_table_check.c:77 __page_table_check_pte_clear+0xf1/0x100 mm/page_table_check.c:154 page_table_check_pte_clear include/linux/page_table_check.h:51 [inline] ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1330 [inline] get_and_clear_full_ptes include/linux/pgtable.h:714 [inline] zap_present_folio_ptes mm/memory.c:1501 [inline] zap_present_ptes mm/memory.c:1586 [inline] do_zap_pte_range mm/memory.c:1687 [inline] zap_pte_range mm/memory.c:1731 [inline] zap_pmd_range mm/memory.c:1823 [inline] zap_pud_range mm/memory.c:1852 [inline] zap_p4d_range mm/memory.c:1873 [inline] unmap_page_range+0x24d6/0x47c0 mm/memory.c:1894 unmap_single_vma+0x194/0x2a0 mm/memory.c:1940 unmap_vmas+0x22c/0x490 mm/memory.c:1984 exit_mmap+0x1b9/0xb90 mm/mmap.c:1284 __mmput+0x12a/0x410 kernel/fork.c:1381 mmput+0x62/0x70 kernel/fork.c:1404 exit_mm kernel/exit.c:595 [inline] do_exit+0xa3a/0x2c70 kernel/exit.c:947 do_group_exit+0xd3/0x2a0 kernel/exit.c:1108 get_signal+0x2673/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:111 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x3f6/0x4c0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f56e878e969 Code: Unable to access opcode bytes at 0x7f56e878e93f. RSP: 002b:00007f56e96b60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f56e89b5fa8 RCX: 00007f56e878e969 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f56e89b5fa8 RBP: 00007f56e89b5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f56e89b5fac R13: 0000000000000000 R14: 00007ffd0d764890 R15: 00007ffd0d764978 ---------------- Code disassembly (best guess): 0: 48 8b 05 dd 49 12 12 mov 0x121249dd(%rip),%rax # 0x121249e4 7: 48 89 44 24 30 mov %rax,0x30(%rsp) c: 31 c0 xor %eax,%eax e: 66 90 xchg %ax,%ax 10: 65 8b 05 f9 49 12 12 mov %gs:0x121249f9(%rip),%eax # 0x12124a10 17: 83 f8 07 cmp $0x7,%eax 1a: 0f 87 bc 02 00 00 ja 0x2dc 20: 89 c0 mov %eax,%eax 22: 48 0f a3 05 02 79 ef bt %rax,0xeef7902(%rip) # 0xeef792c 29: 0e * 2a: 0f 82 74 02 00 00 jb 0x2a4 <-- trapping instruction 30: 8b 35 ca aa ef 0e mov 0xeefaaca(%rip),%esi # 0xeefab00 36: 85 f6 test %esi,%esi 38: 0f 85 8d 00 00 00 jne 0xcb 3e: 48 rex.W 3f: 8b .byte 0x8b