------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 5775 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 1 PID: 5775 Comm: udevd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 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 cc de 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 2b a4 56 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:ffffc900001f0540 EFLAGS: 00010246 RAX: a7c4675d222c9500 RBX: 000000000000000c RCX: ffff88802fd0bc00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: ffffc900001f0147 R09: 1ffff9200003e028 R10: dffffc0000000000 R11: fffff5200003e029 R12: 0000000000000040 R13: dffffc0000000000 R14: ffff888078043358 R15: ffff88805f4c8668 FS: 00007f94fed3f880(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555a25b9e8 CR3: 0000000061e28000 CR4: 00000000003506e0 Call Trace: rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x3a2/0x6e0 net/mac80211/tx.c:5228 ieee80211_beacon_get_ap+0x15a7/0x1b20 net/mac80211/tx.c:5331 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5427 ieee80211_beacon_get_tim+0xbf/0x580 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+0x52a/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+0xd3/0x190 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:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:182 [inline] RIP: 0010:write_comp_data kernel/kcov.c:245 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x10/0x80 kernel/kcov.c:320 Code: 11 10 48 89 74 11 18 48 89 44 11 20 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d c0 9c 7c 7e <65> 8b 15 c1 9c 7c 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 RSP: 0018:ffffc900047bf898 EFLAGS: 00000202 RAX: ffffffff81ea1db9 RBX: ffffffff81ea1cf2 RCX: ffff88802fd0bc00 RDX: 0000000000000000 RSI: 000000000005a4c8 RDI: 00000003ffffffff RBP: 0000000000000001 R08: dffffc0000000000 R09: 1ffffffff2237ea0 R10: dffffc0000000000 R11: fffffbfff2237ea1 R12: dffffc0000000000 R13: ffffc900047bfae8 R14: 000000000005a4c8 R15: ffffea0001693200 __nr_to_section include/linux/mmzone.h:1845 [inline] __pfn_to_section include/linux/mmzone.h:1957 [inline] lookup_page_ext mm/page_ext.c:237 [inline] page_ext_get+0xe9/0x2b0 mm/page_ext.c:509 __page_table_check_zero+0x138/0x4b0 mm/page_table_check.c:148 prep_new_page mm/page_alloc.c:1588 [inline] get_page_from_freelist+0x1951/0x19e0 mm/page_alloc.c:3220 __alloc_pages+0x1f0/0x460 mm/page_alloc.c:4486 alloc_slab_page+0x5d/0x160 mm/slub.c:1881 allocate_slab mm/slub.c:2028 [inline] new_slab+0x87/0x2d0 mm/slub.c:2081 ___slab_alloc+0xc5d/0x12f0 mm/slub.c:3253 __slab_alloc mm/slub.c:3339 [inline] __slab_alloc_node mm/slub.c:3392 [inline] slab_alloc_node mm/slub.c:3485 [inline] slab_alloc mm/slub.c:3503 [inline] __kmem_cache_alloc_lru mm/slub.c:3510 [inline] kmem_cache_alloc+0x1b3/0x2d0 mm/slub.c:3519 getname_flags+0xbb/0x500 fs/namei.c:140 vfs_fstatat+0x111/0x1b0 fs/stat.c:298 __do_sys_newfstatat fs/stat.c:463 [inline] __se_sys_newfstatat fs/stat.c:457 [inline] __x64_sys_newfstatat+0x149/0x1f0 fs/stat.c:457 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f94fee35b0a Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 RSP: 002b:00007fffd70cf638 EFLAGS: 00000206 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 000055ef494abbd1 RCX: 00007f94fee35b0a RDX: 00007fffd70cf640 RSI: 00007fffd70cf6d0 RDI: 00000000ffffff9c RBP: 000055ef49496e00 R08: 000055ef494abbd1 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 000055ef49496ef0 R13: 00007fffd70cf6d0 R14: 000055ef4947f64c R15: 000055ef1e7ecbcc ---------------- Code disassembly (best guess): 0: 11 10 adc %edx,(%rax) 2: 48 89 74 11 18 mov %rsi,0x18(%rcx,%rdx,1) 7: 48 89 44 11 20 mov %rax,0x20(%rcx,%rdx,1) c: c3 ret d: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 14: 00 00 00 17: 0f 1f 00 nopl (%rax) 1a: f3 0f 1e fa endbr64 1e: 48 8b 04 24 mov (%rsp),%rax 22: 65 48 8b 0d c0 9c 7c mov %gs:0x7e7c9cc0(%rip),%rcx # 0x7e7c9cea 29: 7e * 2a: 65 8b 15 c1 9c 7c 7e mov %gs:0x7e7c9cc1(%rip),%edx # 0x7e7c9cf2 <-- trapping instruction 31: 81 e2 00 01 ff 00 and $0xff0100,%edx 37: 74 11 je 0x4a 39: 81 fa 00 01 00 00 cmp $0x100,%edx 3f: 75 .byte 0x75