------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 4703 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 1 PID: 4703 Comm: syz.1.117 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 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 a0 7e a6 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 5b 39 b8 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:ffffc900001e0600 EFLAGS: 00010246 RAX: c209991d3b904b00 RBX: 000000000000000c RCX: ffff888076930000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: dffffc0000000000 R09: fffff5200003c051 R10: fffff5200003c051 R11: 1ffff9200003c050 R12: 0000000000000040 R13: dffffc0000000000 R14: ffff88807dd43378 R15: ffff8880268dd168 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd5d1dc3430 CR3: 000000005bd0f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405 rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x37c/0x6a0 net/mac80211/tx.c:5131 __ieee80211_beacon_get+0x18e0/0x1f50 net/mac80211/tx.c:-1 ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5352 ieee80211_beacon_get include/net/mac80211.h:5264 [inline] mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1752 [inline] __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:pte_none arch/x86/include/asm/pgtable.h:726 [inline] RIP: 0010:zap_pte_range mm/memory.c:1425 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1574 [inline] RIP: 0010:zap_pud_range mm/memory.c:1603 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1624 [inline] RIP: 0010:unmap_page_range+0xa82/0x2500 mm/memory.c:1645 Code: 49 81 c4 00 10 00 00 4c 89 64 24 40 49 89 dc 49 c1 ec 03 43 80 3c 3c 00 74 08 48 89 df e8 66 e2 13 00 4c 89 74 24 18 4d 8b 36 <4c> 89 f6 48 83 e6 9f 31 ff e8 d0 c9 c3 ff 4c 89 f0 48 83 e0 9f 0f RSP: 0018:ffffc900033174a0 EFLAGS: 00000246 RAX: ffffffff81bd09f4 RBX: ffff8880284992c0 RCX: ffff888076930000 RDX: 0000000000000000 RSI: 00000000000001fe RDI: 000000000000005a RBP: ffffc900033175f0 R08: dffffc0000000000 R09: fffff94000336e6f R10: fffff94000336e6f R11: 1ffffd4000336e6e R12: 1ffff11005093258 R13: 00007f3dc05fd000 R14: 8000000066dce007 R15: dffffc0000000000 unmap_vmas+0x22c/0x330 mm/memory.c:1730 exit_mmap+0x1cc/0x8e0 mm/mmap.c:3250 __mmput+0x118/0x3c0 kernel/fork.c:1200 exit_mm+0x1e6/0x2c0 kernel/exit.c:565 do_exit+0x8c1/0x2400 kernel/exit.c:867 do_group_exit+0x217/0x2d0 kernel/exit.c:1022 get_signal+0x1272/0x1350 kernel/signal.c:2871 arch_do_signal_or_restart+0xb0/0x1230 arch/x86/kernel/signal.c:871 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:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3dc0b8ebe9 Code: Unable to access opcode bytes at 0x7f3dc0b8ebbf. RSP: 002b:00007f3dc19730e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f3dc0dc5fa8 RCX: 00007f3dc0b8ebe9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3dc0dc5fa8 RBP: 00007f3dc0dc5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3dc0dc6038 R14: 00007fff39989a70 R15: 00007fff39989b58 ---------------- Code disassembly (best guess): 0: 49 81 c4 00 10 00 00 add $0x1000,%r12 7: 4c 89 64 24 40 mov %r12,0x40(%rsp) c: 49 89 dc mov %rbx,%r12 f: 49 c1 ec 03 shr $0x3,%r12 13: 43 80 3c 3c 00 cmpb $0x0,(%r12,%r15,1) 18: 74 08 je 0x22 1a: 48 89 df mov %rbx,%rdi 1d: e8 66 e2 13 00 call 0x13e288 22: 4c 89 74 24 18 mov %r14,0x18(%rsp) 27: 4d 8b 36 mov (%r14),%r14 * 2a: 4c 89 f6 mov %r14,%rsi <-- trapping instruction 2d: 48 83 e6 9f and $0xffffffffffffff9f,%rsi 31: 31 ff xor %edi,%edi 33: e8 d0 c9 c3 ff call 0xffc3ca08 38: 4c 89 f0 mov %r14,%rax 3b: 48 83 e0 9f and $0xffffffffffffff9f,%rax 3f: 0f .byte 0xf