------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 7045 at net/mac80211/rate.c:404 __rate_control_send_low+0x63b/0x890 net/mac80211/rate.c:399 Modules linked in: CPU: 1 UID: 0 PID: 7045 Comm: dhcpcd-run-hook Not tainted 6.15.0-rc5-syzkaller-00136-g4d64321c4f6f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__rate_control_send_low+0x63b/0x890 net/mac80211/rate.c:399 Code: 42 0f b6 04 28 84 c0 0f 85 e9 01 00 00 41 8b 0e 48 c7 c7 60 38 8c 8c 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 b6 aa b6 f6 90 <0f> 0b 90 90 e9 6f fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c fb RSP: 0000:ffffc90000a08540 EFLAGS: 00010246 RAX: 14a40fa7c413a100 RBX: 000000000000000c RCX: ffff88802635bc00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: 0000000000000040 R13: dffffc0000000000 R14: ffff88805be2b0d8 R15: ffff88802582e7a8 FS: 00007f9442b7cc80(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9442e18480 CR3: 000000007a498000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x194/0x7a0 net/mac80211/rate.c:424 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:940 ieee80211_beacon_get_finish+0x38c/0x6b0 net/mac80211/tx.c:5256 ieee80211_beacon_get_ap+0x1478/0x19e0 net/mac80211/tx.c:5359 __ieee80211_beacon_get+0x1110/0x1630 net/mac80211/tx.c:5455 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5597 ieee80211_beacon_get include/net/mac80211.h:5648 [inline] mac80211_hwsim_beacon_tx+0x3d2/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2313 __iterate_interfaces+0x2a8/0x590 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xbb/0x1c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2347 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_release+0x2b5/0x3e0 kernel/locking/lockdep.c:5891 Code: 51 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 75 56 f7 c3 00 02 00 00 74 01 fb 65 48 8b 05 fb 0e d7 10 <48> 3b 44 24 28 0f 85 8b 00 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e RSP: 0000:ffffc90003b8f0b0 EFLAGS: 00000206 RAX: 14a40fa7c413a100 RBX: 0000000000000206 RCX: 14a40fa7c413a100 RDX: 0000000000000001 RSI: ffffffff8d935d43 RDI: ffffffff8bc1d260 RBP: ffff88802635c718 R08: ffffc90003b8f510 R09: 0000000000000000 R10: ffffc90003b8f238 R11: fffff52000771e49 R12: 0000000000000001 R13: 0000000000000001 R14: ffffffff8df3b860 R15: ffff88802635bc00 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0x19a9/0x2390 arch/x86/kernel/unwind_orc.c:680 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf7/0x1f0 mm/page_owner.c:156 __set_page_owner+0x8d/0x4a0 mm/page_owner.c:329 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1d8/0x230 mm/page_alloc.c:1718 prep_new_page mm/page_alloc.c:1726 [inline] get_page_from_freelist+0x21ce/0x22b0 mm/page_alloc.c:3688 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:4970 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2301 folio_alloc_mpol_noprof mm/mempolicy.c:2320 [inline] vma_alloc_folio_noprof+0xe4/0x200 mm/mempolicy.c:2355 folio_prealloc+0x30/0x180 mm/memory.c:-1 wp_page_copy mm/memory.c:3478 [inline] do_wp_page+0x123a/0x5760 mm/memory.c:3939 handle_pte_fault mm/memory.c:6013 [inline] __handle_mm_fault+0x1028/0x5380 mm/memory.c:6140 handle_mm_fault+0x3f6/0x8c0 mm/memory.c:6309 do_user_addr_fault+0xa81/0x1390 arch/x86/mm/fault.c:1337 handle_page_fault arch/x86/mm/fault.c:1480 [inline] exc_page_fault+0x68/0x110 arch/x86/mm/fault.c:1538 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f9442c87490 Code: 40 00 c3 0f 1f 80 00 00 00 00 48 83 c4 08 48 89 ef 5b 5d e9 a2 57 04 00 66 90 48 89 ef e8 e8 56 04 00 eb 91 66 0f 1f 44 00 00 05 e6 0f 19 00 00 00 00 00 c3 0f 1f 44 00 00 31 c9 e9 e9 f9 ff RSP: 002b:00007fffe7c9a078 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007fffe7c9a088 RCX: 00007f9442d16670 RDX: 0000000000000000 RSI: 0000000000000018 RDI: 00007f9442b7cf60 RBP: 0000000000000000 R08: 0000000000000000 R09: 000055ff18713c30 R10: 00007f9442b7cf50 R11: 0000000000000246 R12: 000055ff18717b40 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 51 push %rcx 1: 48 c7 44 24 20 00 00 movq $0x0,0x20(%rsp) 8: 00 00 a: 9c pushf b: 8f 44 24 20 pop 0x20(%rsp) f: f7 44 24 20 00 02 00 testl $0x200,0x20(%rsp) 16: 00 17: 75 56 jne 0x6f 19: f7 c3 00 02 00 00 test $0x200,%ebx 1f: 74 01 je 0x22 21: fb sti 22: 65 48 8b 05 fb 0e d7 mov %gs:0x10d70efb(%rip),%rax # 0x10d70f25 29: 10 * 2a: 48 3b 44 24 28 cmp 0x28(%rsp),%rax <-- trapping instruction 2f: 0f 85 8b 00 00 00 jne 0xc0 35: 48 83 c4 30 add $0x30,%rsp 39: 5b pop %rbx 3a: 41 5c pop %r12 3c: 41 5d pop %r13 3e: 41 5e pop %r14