------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 0 PID: 8916 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 0 PID: 8916 Comm: syz.3.854 Not tainted 6.6.98-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Code: 30 42 0f b6 04 28 84 c0 0f 85 e6 01 00 00 41 8b 0e 48 c7 c7 c0 87 be 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 db 6e 69 f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff RSP: 0018:ffffc90000007560 EFLAGS: 00010246 RAX: 28fdecba4565ac00 RBX: 000000000000000c RCX: ffff888027af5a00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: ffffc90000007167 R09: 1ffff92000000e2c R10: dffffc0000000000 R11: fffff52000000e2d R12: 0000000000000040 R13: dffffc0000000000 R14: ffff8880228cb358 R15: ffff888025db18e8 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c43c0cf CR3: 000000006214a000 CR4: 00000000003506f0 Call Trace: rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405 rate_control_get_rate+0x20b/0x5c0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x38d/0x6b0 net/mac80211/tx.c:5218 ieee80211_beacon_get_ap+0x1429/0x1970 net/mac80211/tx.c:5321 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5417 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5559 ieee80211_beacon_get include/net/mac80211.h:5438 [inline] mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:__nr_to_section include/linux/mmzone.h:1849 [inline] RIP: 0010:__pfn_to_section include/linux/mmzone.h:1957 [inline] RIP: 0010:pfn_valid+0x53/0x420 include/linux/mmzone.h:2010 Code: e8 22 74 0c e8 5e 5e 9c ff 31 ed e9 af 03 00 00 49 bc 00 00 00 00 00 fc ff df 48 c7 c0 20 7c f0 96 48 c1 e8 03 42 80 3c 20 00 <74> 0c 48 c7 c7 20 7c f0 96 e8 0f 0d f5 ff 48 8b 05 d8 33 07 15 48 RSP: 0018:ffffc9000461f448 EFLAGS: 00000246 RAX: 1ffffffff2de0f84 RBX: 0000000000000001 RCX: ffff888027af5a00 RDX: 0000000000000000 RSI: 0000000000062d0a RDI: 00000003ffffffff RBP: ffffc9000461f6b0 R08: ffffea00018b4247 R09: 1ffffd4000316848 R10: dffffc0000000000 R11: fffff94000316849 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000062d0a R15: 00007fc9ca6ba000 page_table_check_clear+0x1e/0x6a0 mm/page_table_check.c:70 ptep_get_and_clear_full arch/x86/include/asm/jump_label.h:-1 [inline] zap_pte_range mm/memory.c:1428 [inline] zap_pmd_range mm/memory.c:1570 [inline] zap_pud_range mm/memory.c:1599 [inline] zap_p4d_range mm/memory.c:1620 [inline] unmap_page_range+0x1ad1/0x2fe0 mm/memory.c:1641 unmap_vmas+0x25e/0x3a0 mm/memory.c:1731 exit_mmap+0x200/0xb50 mm/mmap.c:3298 __mmput+0x118/0x3c0 kernel/fork.c:1355 exit_mm+0x1da/0x2c0 kernel/exit.c:569 do_exit+0x88e/0x23c0 kernel/exit.c:870 do_group_exit+0x21b/0x2d0 kernel/exit.c:1024 get_signal+0x12fc/0x1400 kernel/signal.c:2902 arch_do_signal_or_restart+0x96/0x780 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fc9cbd8e929 Code: Unable to access opcode bytes at 0x7fc9cbd8e8ff. RSP: 002b:00007fc9ccccd0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fc9cbfb5fa8 RCX: 00007fc9cbd8e929 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc9cbfb5fa8 RBP: 00007fc9cbfb5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9cbfb5fac R13: 0000000000000000 R14: 00007ffc013ae3d0 R15: 00007ffc013ae4b8 ---------------- Code disassembly (best guess): 0: e8 22 74 0c e8 call 0xe80c7427 5: 5e pop %rsi 6: 5e pop %rsi 7: 9c pushf 8: ff 31 push (%rcx) a: ed in (%dx),%eax b: e9 af 03 00 00 jmp 0x3bf 10: 49 bc 00 00 00 00 00 movabs $0xdffffc0000000000,%r12 17: fc ff df 1a: 48 c7 c0 20 7c f0 96 mov $0xffffffff96f07c20,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) * 2a: 74 0c je 0x38 <-- trapping instruction 2c: 48 c7 c7 20 7c f0 96 mov $0xffffffff96f07c20,%rdi 33: e8 0f 0d f5 ff call 0xfff50d47 38: 48 8b 05 d8 33 07 15 mov 0x150733d8(%rip),%rax # 0x15073417 3f: 48 rex.W