------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20 WARNING: CPU: 1 PID: 4685 at net/mac80211/rate.c:376 __rate_control_send_low+0x630/0x880 net/mac80211/rate.c:371 Modules linked in: CPU: 1 PID: 4685 Comm: dhcpcd-run-hook Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__rate_control_send_low+0x630/0x880 net/mac80211/rate.c:371 Code: 0f b6 04 28 84 c0 0f 85 e9 01 00 00 48 8b 44 24 08 8b 08 48 c7 c7 20 27 18 8b 4c 89 f6 44 8b 44 24 14 45 89 f9 e8 60 27 68 00 <0f> 0b e9 72 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 08 fa ff RSP: 0018:ffffc90000dd0768 EFLAGS: 00010246 RAX: 685fdcf8b418d200 RBX: 000000000000000c RCX: ffff88802a2d9dc0 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000000084 R08: dffffc0000000000 R09: fffff520001ba051 R10: fffff520001ba051 R11: 1ffff920001ba050 R12: ffff888023680ca8 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000020 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4dd6cdf286 CR3: 000000006464c000 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:396 rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:908 __ieee80211_beacon_get+0x1512/0x1f80 net/mac80211/tx.c:5167 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5194 ieee80211_beacon_get include/net/mac80211.h:4981 [inline] mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1690 [inline] __hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1754 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1771 handle_softirqs+0x328/0x820 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:jhash2 include/linux/jhash.h:139 [inline] RIP: 0010:hash_stack lib/stackdepot.c:180 [inline] RIP: 0010:stack_depot_save+0x117/0x440 lib/stackdepot.c:272 Code: 03 48 04 41 03 30 31 cd 41 89 c8 41 c1 c0 0e 44 29 c5 31 ee 41 89 e8 41 c1 c0 0b 44 29 c6 41 89 f0 41 c1 c0 19 31 f1 44 29 c1 <31> cd 41 89 c8 41 c1 c0 10 44 29 c5 31 ee 41 89 e8 41 c1 c0 04 44 RSP: 0018:ffffc90002ebf340 EFLAGS: 00000212 RAX: 0000000000000000 RBX: 000000000000000e RCX: 00000000282aadd6 RDX: 0000000000002800 RSI: 0000000063e03652 RDI: ffffc90002ebf3e0 RBP: 0000000031ac1811 R08: 00000000a4c7c06c R09: 0000000000000001 R10: 00000000aa4ddeda R11: 000000000786202f R12: dffffc0000000000 R13: 1ffff920005d7e78 R14: 00000000c8f91fde R15: 1ffff1100545b468 save_stack+0x101/0x1e0 mm/page_owner.c:120 __reset_page_owner+0x51/0x180 mm/page_owner.c:140 reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317 free_unref_page_list+0x122/0x7e0 mm/page_alloc.c:3433 release_pages+0x184b/0x1bb0 mm/swap.c:963 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x164/0x2e0 mm/mmu_gather.c:338 exit_mmap+0x3a6/0x5f0 mm/mmap.c:3206 __mmput+0x115/0x3b0 kernel/fork.c:1127 exec_mmap+0x4d1/0x5c0 fs/exec.c:1035 begin_new_exec+0x7e8/0x1160 fs/exec.c:1293 load_elf_binary+0x98e/0x2890 fs/binfmt_elf.c:1001 search_binary_handler fs/exec.c:1742 [inline] exec_binprm fs/exec.c:1783 [inline] bprm_execve+0xa92/0x17d0 fs/exec.c:1852 do_execveat_common+0x51e/0x6d0 fs/exec.c:1957 do_execve fs/exec.c:2027 [inline] __do_sys_execve fs/exec.c:2103 [inline] __se_sys_execve fs/exec.c:2098 [inline] __x64_sys_execve+0x8e/0xa0 fs/exec.c:2098 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f4dd6c25107 Code: Unable to access opcode bytes at RIP 0x7f4dd6c250dd. RSP: 002b:00007ffd6cc0cd18 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000559c9c2ef1a8 RCX: 00007f4dd6c25107 RDX: 0000559c9c2eae28 RSI: 0000559c9c2ef1a8 RDI: 0000559c9c2eaeb0 RBP: 0000559c9c2eaeb0 R08: 00007ffd6cc10eb0 R09: 0000000000000210 R10: 0000000000000002 R11: 0000000000000246 R12: 0000559c9c2eae28 R13: 00007f4dd6deae8b R14: 0000559c9c2eae28 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 48 04 add 0x4(%rax),%ecx 3: 41 03 30 add (%r8),%esi 6: 31 cd xor %ecx,%ebp 8: 41 89 c8 mov %ecx,%r8d b: 41 c1 c0 0e rol $0xe,%r8d f: 44 29 c5 sub %r8d,%ebp 12: 31 ee xor %ebp,%esi 14: 41 89 e8 mov %ebp,%r8d 17: 41 c1 c0 0b rol $0xb,%r8d 1b: 44 29 c6 sub %r8d,%esi 1e: 41 89 f0 mov %esi,%r8d 21: 41 c1 c0 19 rol $0x19,%r8d 25: 31 f1 xor %esi,%ecx 27: 44 29 c1 sub %r8d,%ecx * 2a: 31 cd xor %ecx,%ebp <-- trapping instruction 2c: 41 89 c8 mov %ecx,%r8d 2f: 41 c1 c0 10 rol $0x10,%r8d 33: 44 29 c5 sub %r8d,%ebp 36: 31 ee xor %ebp,%esi 38: 41 89 e8 mov %ebp,%r8d 3b: 41 c1 c0 04 rol $0x4,%r8d 3f: 44 rex.R