------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20 WARNING: CPU: 0 PID: 6678 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 0 PID: 6678 Comm: sed Not tainted 6.6.99-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 e0 8e be 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 cb 2e 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: 88d074edf4750e00 RBX: 000000000000000c RCX: ffff888018f4da00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: ffffc90000007167 R09: 1ffff92000000e2c R10: dffffc0000000000 R11: fffff52000000e2d R12: 0000000000000020 R13: dffffc0000000000 R14: ffff88807a71b358 R15: ffff8880265ddde8 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2770beee9c CR3: 00000000604bf000 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:lruvec_stat_sub_folio+0x1e1/0x310 include/linux/vmstat.h:658 Code: 00 4d 85 ed 75 16 e8 8e a0 49 00 eb 15 e8 87 a0 49 00 e8 22 d2 32 09 4d 85 ed 74 ea e8 78 a0 49 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00 RSP: 0018:ffffc900037d7820 EFLAGS: 00000293 RAX: ffffffff813c05f8 RBX: 0000000000000000 RCX: ffff888018f4da00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900037d78d0 R08: ffffffff90da7557 R09: 1ffffffff21b4eaa R10: dffffc0000000000 R11: fffffbfff21b4eab R12: 1ffff920006faf04 R13: 0000000000000200 R14: 00000000ffffffff R15: dffffc0000000000 pagetable_pte_dtor include/linux/mm.h:2934 [inline] ___pte_free_tlb+0x87/0x130 arch/x86/mm/pgtable.c:55 __pte_free_tlb arch/x86/include/asm/pgalloc.h:61 [inline] free_pte_range mm/memory.c:193 [inline] free_pmd_range mm/memory.c:211 [inline] free_pud_range mm/memory.c:245 [inline] free_p4d_range mm/memory.c:279 [inline] free_pgd_range+0x628/0xb10 mm/memory.c:359 free_pgtables+0x697/0x770 mm/memory.c:-1 exit_mmap+0x3e8/0xb50 mm/mmap.c:3309 __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 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2770d4d6c5 Code: Unable to access opcode bytes at 0x7f2770d4d69b. RSP: 002b:00007ffe555c7718 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f2770e4efe8 RCX: 00007f2770d4d6c5 RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2770e4d680 R15: 00007f2770e4f000 ---------------- Code disassembly (best guess): 0: 00 4d 85 add %cl,-0x7b(%rbp) 3: ed in (%dx),%eax 4: 75 16 jne 0x1c 6: e8 8e a0 49 00 call 0x49a099 b: eb 15 jmp 0x22 d: e8 87 a0 49 00 call 0x49a099 12: e8 22 d2 32 09 call 0x932d239 17: 4d 85 ed test %r13,%r13 1a: 74 ea je 0x6 1c: e8 78 a0 49 00 call 0x49a099 21: fb sti 22: 48 c7 04 24 0e 36 e0 movq $0x45e0360e,(%rsp) 29: 45 * 2a: 4b c7 04 3c 00 00 00 movq $0x0,(%r12,%r15,1) <-- trapping instruction 31: 00 32: 66 43 c7 44 3c 09 00 movw $0x0,0x9(%r12,%r15,1) 39: 00 3a: 43 c6 44 3c 0b 00 movb $0x0,0xb(%r12,%r15,1)