------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 4298 at net/mac80211/rate.c:376 __rate_control_send_low+0x630/0x880 net/mac80211/rate.c:371 Modules linked in: CPU: 1 PID: 4298 Comm: kworker/u4:7 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Workqueue: phy4 ieee80211_iface_work 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 ed 18 8b 4c 89 f6 44 8b 44 24 14 45 89 f9 e8 b0 54 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: c62663a689403b00 RBX: 000000000000000c RCX: ffff888020de1dc0 RDX: 0000000000000100 RSI: 0000000080000100 RDI: 0000000000000000 RBP: 0000000000000084 R08: dffffc0000000000 R09: fffff520001ba051 R10: fffff520001ba051 R11: 1ffff920001ba050 R12: ffff88802b811168 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000040 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffff CR3: 000000005f98c000 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:5175 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202 ieee80211_beacon_get include/net/mac80211.h:4983 [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:1685 [inline] __hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766 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:bytes_is_nonzero mm/kasan/generic.c:87 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:120 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x1a2/0x290 mm/kasan/generic.c:189 Code: 4d 29 ca 4d 29 da 4d 01 d9 4d 89 d6 4d 8d 56 07 4d 85 f6 4d 0f 49 d6 49 83 e2 f8 4d 29 d6 74 12 41 80 39 00 0f 85 a0 00 00 00 <49> ff c1 49 ff ce 75 ee 5b 41 5e 41 5f c3 84 db 75 61 f7 c3 00 ff RSP: 0018:ffffc900038df330 EFLAGS: 00000246 RAX: 0000000000001001 RBX: 0000000000000000 RCX: ffffffff81bc1526 RDX: 0000000000000001 RSI: 0000000000000200 RDI: ffffc900038df370 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff5200071beaa R10: 0000000000000000 R11: 0000000000000038 R12: ffff88807d1726e0 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000000 memset+0x1e/0x40 mm/kasan/shadow.c:44 kasan_save_stack mm/kasan/common.c:35 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] __kasan_kmalloc+0xa6/0xf0 mm/kasan/common.c:522 kmalloc include/linux/slab.h:612 [inline] kzalloc include/linux/slab.h:738 [inline] cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2527 [inline] cfg80211_inform_bss_frame_data+0x51a/0x1f30 net/wireless/scan.c:2588 ieee80211_bss_info_update+0x6c2/0xaa0 net/mac80211/scan.c:190 ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1614 [inline] ieee80211_ibss_rx_queued_mgmt+0x16d0/0x29c0 net/mac80211/ibss.c:1643 ieee80211_iface_process_skb net/mac80211/iface.c:1459 [inline] ieee80211_iface_work+0x70e/0xc60 net/mac80211/iface.c:1513 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 ---------------- Code disassembly (best guess): 0: 4d 29 ca sub %r9,%r10 3: 4d 29 da sub %r11,%r10 6: 4d 01 d9 add %r11,%r9 9: 4d 89 d6 mov %r10,%r14 c: 4d 8d 56 07 lea 0x7(%r14),%r10 10: 4d 85 f6 test %r14,%r14 13: 4d 0f 49 d6 cmovns %r14,%r10 17: 49 83 e2 f8 and $0xfffffffffffffff8,%r10 1b: 4d 29 d6 sub %r10,%r14 1e: 74 12 je 0x32 20: 41 80 39 00 cmpb $0x0,(%r9) 24: 0f 85 a0 00 00 00 jne 0xca * 2a: 49 ff c1 inc %r9 <-- trapping instruction 2d: 49 ff ce dec %r14 30: 75 ee jne 0x20 32: 5b pop %rbx 33: 41 5e pop %r14 35: 41 5f pop %r15 37: c3 ret 38: 84 db test %bl,%bl 3a: 75 61 jne 0x9d 3c: f7 .byte 0xf7 3d: c3 ret 3e: 00 ff add %bh,%bh