------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:403 at __rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398, CPU#0: syz.2.5547/18787 Modules linked in: CPU: 0 UID: 0 PID: 18787 Comm: syz.2.5547 Not tainted 6.16.0-rc5-next-20250709-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398 Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 40 bc d1 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 32 49 8d f6 90 <0f> 0b 90 90 e9 73 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc90000007538 EFLAGS: 00010246 RAX: 1a5e64abf420f000 RBX: 000000000000000c RCX: ffff88802ea15a00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1c7a4c0 R12: ffff8880781b3028 R13: 0000000000000000 R14: ffff888024d18e40 R15: ffff888024d1b0d8 FS: 00007ffaf59b36c0(0000) GS:ffff88812579c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2fb1d2 CR3: 0000000061df0000 CR4: 00000000003526f0 Call Trace: rate_control_send_low+0x194/0x7a0 net/mac80211/rate.c:423 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:934 ieee80211_beacon_get_finish+0x38c/0x6b0 net/mac80211/tx.c:5253 ieee80211_beacon_get_ap+0x1478/0x19e0 net/mac80211/tx.c:5356 __ieee80211_beacon_get+0x1179/0x17b0 net/mac80211/tx.c:5452 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5594 ieee80211_beacon_get include/net/mac80211.h:5658 [inline] mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2319 __iterate_interfaces+0x2ab/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:2353 __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:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:memset_orig+0x8a/0xb0 arch/x86/lib/memset_64.S:106 Code: 89 d1 83 e1 38 74 14 c1 e9 03 66 0f 1f 44 00 00 ff c9 48 89 07 48 8d 7f 08 75 f5 83 e2 07 74 0a ff ca 88 07 48 8d 7f 01 75 f6 <4c> 89 d0 c3 cc cc cc cc 48 83 fa 07 76 e3 48 89 07 49 c7 c0 08 00 RSP: 0018:ffffc900040175d8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000dc0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805c069010 RBP: 0000000000000dc0 R08: 0000000000000004 R09: 0000000000000000 R10: ffff88805c069000 R11: fffffbfff1fc8fa7 R12: ffff88801a842140 R13: 0000000000000dc0 R14: ffff88805c069000 R15: 0000000000000fa0 release_alloc_meta mm/kasan/generic.c:493 [inline] kasan_save_alloc_info+0x3b/0x50 mm/kasan/generic.c:560 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4365 [inline] __kvmalloc_node_noprof+0x30d/0x5f0 mm/slub.c:5052 kvmalloc_array_node_noprof include/linux/slab.h:1065 [inline] __ptr_ring_init_queue_alloc_noprof include/linux/ptr_ring.h:471 [inline] ptr_ring_init_noprof include/linux/ptr_ring.h:489 [inline] skb_array_init_noprof include/linux/skb_array.h:182 [inline] pfifo_fast_init+0x10d/0x6b0 net/sched/sch_generic.c:867 qdisc_create_dflt+0x138/0x4e0 net/sched/sch_generic.c:1017 attach_one_default_qdisc net/sched/sch_generic.c:1176 [inline] netdev_for_each_tx_queue include/linux/netdevice.h:2655 [inline] attach_default_qdiscs net/sched/sch_generic.c:1194 [inline] dev_activate+0x378/0x1150 net/sched/sch_generic.c:1253 __dev_open+0x69c/0x880 net/core/dev.c:1690 __dev_change_flags+0x1ea/0x6d0 net/core/dev.c:9496 netif_change_flags+0x88/0x1a0 net/core/dev.c:9559 dev_change_flags+0x130/0x260 net/core/dev_api.c:68 devinet_ioctl+0xbb4/0x1b50 net/ipv4/devinet.c:1200 inet_ioctl+0x3c0/0x4c0 net/ipv4/af_inet.c:1001 sock_do_ioctl+0xd9/0x300 net/socket.c:1238 sock_ioctl+0x576/0x790 net/socket.c:1359 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffaf4b8e929 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:00007ffaf59b3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffaf4db5fa0 RCX: 00007ffaf4b8e929 RDX: 0000200000000180 RSI: 0000000000008914 RDI: 0000000000000004 RBP: 00007ffaf4c10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffaf4db5fa0 R15: 00007ffcf9d63678 ---------------- Code disassembly (best guess): 0: 89 d1 mov %edx,%ecx 2: 83 e1 38 and $0x38,%ecx 5: 74 14 je 0x1b 7: c1 e9 03 shr $0x3,%ecx a: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 10: ff c9 dec %ecx 12: 48 89 07 mov %rax,(%rdi) 15: 48 8d 7f 08 lea 0x8(%rdi),%rdi 19: 75 f5 jne 0x10 1b: 83 e2 07 and $0x7,%edx 1e: 74 0a je 0x2a 20: ff ca dec %edx 22: 88 07 mov %al,(%rdi) 24: 48 8d 7f 01 lea 0x1(%rdi),%rdi 28: 75 f6 jne 0x20 * 2a: 4c 89 d0 mov %r10,%rax <-- trapping instruction 2d: c3 ret 2e: cc int3 2f: cc int3 30: cc int3 31: cc int3 32: 48 83 fa 07 cmp $0x7,%rdx 36: 76 e3 jbe 0x1b 38: 48 89 07 mov %rax,(%rdi) 3b: 49 rex.WB 3c: c7 .byte 0xc7 3d: c0 08 00 rorb $0x0,(%rax)