------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 7271 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 1 PID: 7271 Comm: syz.2.366 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 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 00 92 be 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 1b 9b 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:ffffc900001f0560 EFLAGS: 00010246 RAX: 6ede1a0bd679b900 RBX: 000000000000000c RCX: ffff88802b7a9e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: ffffc900001f0167 R09: 1ffff9200003e02c R10: dffffc0000000000 R11: fffff5200003e02d R12: 0000000000000040 R13: dffffc0000000000 R14: ffff8880217eb358 R15: ffff88807cef0528 FS: 00007f01964686c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2f877d CR3: 000000002fac4000 CR4: 00000000003506e0 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:5228 ieee80211_beacon_get_ap+0x1429/0x1970 net/mac80211/tx.c:5331 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5427 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569 ieee80211_beacon_get include/net/mac80211.h:5440 [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:1750 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1814 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831 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:clear_page_erms+0xb/0x10 arch/x86/lib/clear_page_64.S:50 Code: 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 90 90 90 90 90 90 90 f3 0f 1e fa b9 00 10 00 00 31 c0 aa c3 90 90 f3 0f 1e fa 48 83 f9 40 73 36 83 f9 08 73 0f 85 c9 RSP: 0018:ffffc9000ee8efd0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000240 RDX: ffff88806b5a5000 RSI: 0000000000000001 RDI: ffff88806b5a5dc0 RBP: ffffea0001ad6940 R08: ffffea0001ad6977 R09: 0000000000000000 R10: ffffed100d6b4a00 R11: fffff9400035ad2f R12: 0000000000000000 R13: 0000000000000001 R14: ffffea0001ad6940 R15: 0000000000000001 clear_page arch/x86/include/asm/page_64.h:54 [inline] clear_highpage_kasan_tagged include/linux/highmem.h:248 [inline] kernel_init_pages mm/page_alloc.c:1074 [inline] post_alloc_hook+0xf7/0x210 mm/page_alloc.c:1552 prep_new_page mm/page_alloc.c:1561 [inline] get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191 __alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457 __folio_alloc+0x10/0x20 mm/page_alloc.c:4489 vma_alloc_folio+0x47a/0x8f0 mm/mempolicy.c:2242 shmem_alloc_folio+0x179/0x230 mm/shmem.c:1680 shmem_alloc_and_acct_folio+0x189/0x630 mm/shmem.c:1705 shmem_get_folio_gfp+0xcde/0x2ac0 mm/shmem.c:2042 shmem_fault+0x1b6/0x7f0 mm/shmem.c:2249 __do_fault+0x13b/0x4e0 mm/memory.c:4243 do_read_fault mm/memory.c:4616 [inline] do_fault mm/memory.c:4753 [inline] do_pte_missing mm/memory.c:3688 [inline] handle_pte_fault mm/memory.c:5025 [inline] __handle_mm_fault mm/memory.c:5166 [inline] handle_mm_fault+0x3886/0x4920 mm/memory.c:5331 faultin_page mm/gup.c:868 [inline] __get_user_pages+0x5ea/0x1470 mm/gup.c:1167 populate_vma_page_range+0x2b6/0x370 mm/gup.c:1593 __mm_populate+0x24c/0x380 mm/gup.c:1696 mm_populate include/linux/mm.h:3383 [inline] vm_mmap_pgoff+0x2e7/0x400 mm/util.c:561 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: 0033:0x7f019558efc9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0196468038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f01957e5fa0 RCX: 00007f019558efc9 RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f0195611f91 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f01957e6038 R14: 00007f01957e5fa0 R15: 00007ffd46971248 ---------------- Code disassembly (best guess): 0: 48 89 47 20 mov %rax,0x20(%rdi) 4: 48 89 47 28 mov %rax,0x28(%rdi) 8: 48 89 47 30 mov %rax,0x30(%rdi) c: 48 89 47 38 mov %rax,0x38(%rdi) 10: 48 8d 7f 40 lea 0x40(%rdi),%rdi 14: 75 d9 jne 0xffffffef 16: 90 nop 17: c3 ret 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: f3 0f 1e fa endbr64 23: b9 00 10 00 00 mov $0x1000,%ecx 28: 31 c0 xor %eax,%eax * 2a: f3 aa rep stos %al,%es:(%rdi) <-- trapping instruction 2c: c3 ret 2d: 90 nop 2e: 90 nop 2f: f3 0f 1e fa endbr64 33: 48 83 f9 40 cmp $0x40,%rcx 37: 73 36 jae 0x6f 39: 83 f9 08 cmp $0x8,%ecx 3c: 73 0f jae 0x4d 3e: 85 c9 test %ecx,%ecx