------------[ 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+0x5e2/0x820 net/mac80211/rate.c:401, CPU#0: syz-executor/10221 Modules linked in: CPU: 0 UID: 0 PID: 10221 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 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 40 07 cf 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 cf 7e 87 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: 0018:ffffc90000007538 EFLAGS: 00010246 RAX: 39fd0ab7b3924200 RBX: 000000000000000c RCX: ffff888033000000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1c3a648 R12: ffff888028f2c668 R13: 0000000000000000 R14: ffff8880322c8e80 R15: ffff8880322cb138 FS: 00005555882d8500(0000) GS:ffff8881259e7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f80bff8 CR3: 0000000056aea000 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+0x286/0x870 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:697 RIP: 0010:rcu_read_unlock_sched include/linux/rcupdate.h:951 [inline] RIP: 0010:pfn_valid+0x340/0x490 include/linux/mmzone.h:2197 Code: 31 90 ff e9 b7 00 00 00 e8 4d 31 90 ff 31 ed e8 f6 40 55 09 41 89 c6 31 ff 89 c6 e8 7a 35 90 ff 45 85 f6 74 10 e8 20 cb 76 ff <84> c0 74 0e e8 27 31 90 ff eb 58 e8 20 31 90 ff eb 51 e8 c9 40 55 RSP: 0018:ffffc900046b7310 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff822fa56a RCX: 39fd0ab7b3924200 RDX: ffff888033000000 RSI: ffffffff8c03aa40 RDI: ffffffff8c03aa00 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff822fa56a R10: dffffc0000000000 R11: fffff940002009d1 R12: dffffc0000000000 R13: 0000000000000008 R14: 0000000000000001 R15: ffff88813fffa500 page_table_check_set+0x25/0x730 mm/page_table_check.c:105 page_table_check_ptes_set include/linux/page_table_check.h:76 [inline] set_ptes include/linux/pgtable.h:292 [inline] __copy_present_ptes mm/memory.c:1100 [inline] copy_present_ptes mm/memory.c:1179 [inline] copy_pte_range mm/memory.c:1302 [inline] copy_pmd_range+0x4b9b/0x7f00 mm/memory.c:1389 copy_pud_range mm/memory.c:1426 [inline] copy_p4d_range mm/memory.c:1450 [inline] copy_page_range+0xc14/0x1270 mm/memory.c:1538 dup_mmap+0xf4c/0x1b10 mm/mmap.c:1834 dup_mm kernel/fork.c:1504 [inline] copy_mm+0x13c/0x4b0 kernel/fork.c:1556 copy_process+0x1706/0x3c00 kernel/fork.c:2196 kernel_clone+0x21e/0x840 kernel/fork.c:2624 __do_sys_clone kernel/fork.c:2765 [inline] __se_sys_clone kernel/fork.c:2749 [inline] __x64_sys_clone+0x18b/0x1e0 kernel/fork.c:2749 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9f19785493 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffe7aa33b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f19785493 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: 00005555882d87d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00000000000927c0 R14: 000000000008b8da R15: 00007ffe7aa33d00 ---------------- Code disassembly (best guess): 0: 31 90 ff e9 b7 00 xor %edx,0xb7e9ff(%rax) 6: 00 00 add %al,(%rax) 8: e8 4d 31 90 ff call 0xff90315a d: 31 ed xor %ebp,%ebp f: e8 f6 40 55 09 call 0x955410a 14: 41 89 c6 mov %eax,%r14d 17: 31 ff xor %edi,%edi 19: 89 c6 mov %eax,%esi 1b: e8 7a 35 90 ff call 0xff90359a 20: 45 85 f6 test %r14d,%r14d 23: 74 10 je 0x35 25: e8 20 cb 76 ff call 0xff76cb4a * 2a: 84 c0 test %al,%al <-- trapping instruction 2c: 74 0e je 0x3c 2e: e8 27 31 90 ff call 0xff90315a 33: eb 58 jmp 0x8d 35: e8 20 31 90 ff call 0xff90315a 3a: eb 51 jmp 0x8d 3c: e8 .byte 0xe8 3d: c9 leave 3e: 40 55 rex push %rbp