------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:399 at __rate_control_send_low+0x61a/0x780 net/mac80211/rate.c:399, CPU#0: syz.1.5929/27660 Modules linked in: CPU: 0 UID: 0 PID: 27660 Comm: syz.1.5929 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026 RIP: 0010:__rate_control_send_low+0x62b/0x780 net/mac80211/rate.c:399 Code: f7 48 8b 44 24 10 8b ac a8 d4 00 00 00 e8 5d cd db f6 48 8d 3d d6 a0 05 06 44 8b 44 24 04 48 8b 74 24 10 45 89 f1 89 d9 89 ea <67> 48 0f b9 3a e9 25 fd ff ff 48 8b 7c 24 28 e8 a1 46 4c f7 e9 2e RSP: 0018:ffffc900000078e8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9133a3c0 RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000c R11: 0000000000000000 R12: ffff88807d6c72a8 R13: ffff8880463c3248 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888123dec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2ac148 CR3: 0000000073d83000 CR4: 00000000003526f0 Call Trace: rate_control_send_low+0x2a8/0x7e0 net/mac80211/rate.c:427 rate_control_get_rate+0x1be/0x5c0 net/mac80211/rate.c:935 ieee80211_beacon_get_finish+0x45a/0x690 net/mac80211/tx.c:5514 __ieee80211_beacon_get_ap+0x76e/0x10d0 net/mac80211/tx.c:5617 ieee80211_beacon_get_ap net/mac80211/tx.c:5679 [inline] __ieee80211_beacon_get+0x14fa/0x1ee0 net/mac80211/tx.c:5785 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5927 ieee80211_beacon_get include/net/mac80211.h:5890 [inline] mac80211_hwsim_beacon_tx+0x4c7/0xa00 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2478 __iterate_interfaces+0x2e6/0x650 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:808 mac80211_hwsim_beacon+0xe5/0x2a0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2514 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096 hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:_compound_head include/linux/page-flags.h:247 [inline] RIP: 0010:zap_present_ptes mm/memory.c:1713 [inline] RIP: 0010:do_zap_pte_range mm/memory.c:1832 [inline] RIP: 0010:zap_pte_range mm/memory.c:1934 [inline] RIP: 0010:zap_pmd_range mm/memory.c:2020 [inline] RIP: 0010:zap_pud_range mm/memory.c:2048 [inline] RIP: 0010:zap_p4d_range mm/memory.c:2069 [inline] RIP: 0010:__zap_vma_range+0xfac/0x4a30 mm/memory.c:2109 Code: 00 00 00 00 fc ff df 48 8d 78 08 48 89 f8 48 c1 e8 03 80 3c 10 00 0f 85 3e 35 00 00 48 8b 4c 24 40 48 8b 5c 24 38 4c 8b 69 08 <4c> 89 e8 83 e0 01 48 83 e8 01 49 09 c5 49 21 cd 48 85 db 0f 84 d2 RSP: 0018:ffffc9000451f7b8 EFLAGS: 00000246 RAX: 1ffffd40003c1e19 RBX: ffffc9000451fa90 RCX: ffffea0001e0f0c0 RDX: dffffc0000000000 RSI: ffffffff825e32ca RDI: ffffea0001e0f0c8 RBP: 000000000000006e R08: 0000000000000006 R09: 0000000000041a00 R10: 0000000000078200 R11: 0000000000000000 R12: 0000000000000001 R13: ffffea00013a5f48 R14: ffff888037b01260 R15: 80000000783c3025 unmap_vmas+0x299/0x5f0 mm/memory.c:2178 exit_mmap+0x1ef/0xa00 mm/mmap.c:1300 __mmput+0x12a/0x410 kernel/fork.c:1187 mmput+0x67/0x80 kernel/fork.c:1210 exit_mm kernel/exit.c:610 [inline] do_exit+0x8b1/0x2ae0 kernel/exit.c:992 do_group_exit+0xd5/0x2a0 kernel/exit.c:1147 __do_sys_exit_group kernel/exit.c:1158 [inline] __se_sys_exit_group kernel/exit.c:1156 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1156 x64_sys_call+0x102c/0x1530 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdfb7d9de59 Code: Unable to access opcode bytes at 0x7fdfb7d9de2f. RSP: 002b:00007ffdbf2e6338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfb7d9de59 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffdbf2e639c R08: 0000000000000000 R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000024f R13: 00000000000927c0 R14: 00000000001981a4 R15: 00007ffdbf2e63f0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 8b 44 24 10 mov 0x10(%rsp),%rax 5: 8b ac a8 d4 00 00 00 mov 0xd4(%rax,%rbp,4),%ebp c: e8 5d cd db f6 call 0xf6dbcd6e 11: 48 8d 3d d6 a0 05 06 lea 0x605a0d6(%rip),%rdi # 0x605a0ee 18: 44 8b 44 24 04 mov 0x4(%rsp),%r8d 1d: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 22: 45 89 f1 mov %r14d,%r9d 25: 89 d9 mov %ebx,%ecx 27: 89 ea mov %ebp,%edx * 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2e: e9 25 fd ff ff jmp 0xfffffd58 33: 48 8b 7c 24 28 mov 0x28(%rsp),%rdi 38: e8 a1 46 4c f7 call 0xf74c46de 3d: e9 .byte 0xe9 3e: 2e cs