------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 9 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: events_unbound nsim_dev_trap_report_work 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 40 5f a6 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 cb 54 b9 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:ffffc900001e0600 EFLAGS: 00010246 RAX: 39a4939b1d070300 RBX: 000000000000000c RCX: ffff88813fe70000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: dffffc0000000000 R09: fffff5200003c051 R10: fffff5200003c051 R11: 1ffff9200003c050 R12: 0000000000000040 R13: dffffc0000000000 R14: ffff88801878b378 R15: ffff88807b866168 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2fea46 CR3: 000000002f730000 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:405 rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x37c/0x6a0 net/mac80211/tx.c:5121 __ieee80211_beacon_get+0x18e0/0x1f50 net/mac80211/tx.c:-1 ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5342 ieee80211_beacon_get include/net/mac80211.h:5262 [inline] mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1752 [inline] __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:arch_stack_walk+0xf2/0x140 arch/x86/kernel/stacktrace.c:27 Code: 48 8d bd 78 ff ff ff 4c 89 e6 4c 89 fa e8 f6 94 08 00 83 bd 78 ff ff ff 00 74 32 4c 8d bd 78 ff ff ff 4c 89 ff e8 de 70 08 00 <48> 85 c0 74 1e 48 89 df 48 89 c6 41 ff d6 84 c0 74 11 4c 89 ff e8 RSP: 0018:ffffc900000e7648 EFLAGS: 00000246 RAX: ffffffff81546558 RBX: ffffc900000e7700 RCX: 0000000080000000 RDX: ffffc900000e7601 RSI: dffffc0000000000 RDI: ffffffff81546558 RBP: ffffc900000e76d0 R08: ffffc900000e7c30 R09: ffffc900000e7698 R10: fffff5200001ced5 R11: 1ffff9200001ced3 R12: ffff88813fe70000 R13: ffffc900000e7a70 R14: ffffffff816fad90 R15: ffffc900000e7648 stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x2d/0x50 mm/kasan/generic.c:516 ____kasan_slab_free+0x126/0x1e0 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1724 [inline] slab_free_freelist_hook+0x131/0x1a0 mm/slub.c:1750 slab_free mm/slub.c:3661 [inline] __kmem_cache_free+0xb6/0x1f0 mm/slub.c:3674 skb_free_head net/core/skbuff.c:762 [inline] skb_release_data+0x5db/0x7c0 net/core/skbuff.c:791 skb_release_all net/core/skbuff.c:856 [inline] __kfree_skb net/core/skbuff.c:870 [inline] consume_skb+0xa2/0x100 net/core/skbuff.c:1035 nsim_dev_trap_report drivers/net/netdevsim/dev.c:821 [inline] nsim_dev_trap_report_work+0x76b/0xaf0 drivers/net/netdevsim/dev.c:851 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 ---------------- Code disassembly (best guess): 0: 48 8d bd 78 ff ff ff lea -0x88(%rbp),%rdi 7: 4c 89 e6 mov %r12,%rsi a: 4c 89 fa mov %r15,%rdx d: e8 f6 94 08 00 call 0x89508 12: 83 bd 78 ff ff ff 00 cmpl $0x0,-0x88(%rbp) 19: 74 32 je 0x4d 1b: 4c 8d bd 78 ff ff ff lea -0x88(%rbp),%r15 22: 4c 89 ff mov %r15,%rdi 25: e8 de 70 08 00 call 0x87108 * 2a: 48 85 c0 test %rax,%rax <-- trapping instruction 2d: 74 1e je 0x4d 2f: 48 89 df mov %rbx,%rdi 32: 48 89 c6 mov %rax,%rsi 35: 41 ff d6 call *%r14 38: 84 c0 test %al,%al 3a: 74 11 je 0x4d 3c: 4c 89 ff mov %r15,%rdi 3f: e8 .byte 0xe8