------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 0 PID: 12019 at net/mac80211/rate.c:403 __rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398 Modules linked in: CPU: 0 UID: 0 PID: 12019 Comm: syz.0.2230 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 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 a0 6d b0 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 72 69 93 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: 0000:ffffc90000007758 EFLAGS: 00010246 RAX: 471f658cb1ef8000 RBX: 000000000000000c RCX: ffff888054701e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffff8880575ef528 R13: 0000000000000000 R14: ffff888029220e40 R15: ffff8880292230d8 FS: 0000555584a66500(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33023ffc CR3: 000000007bb14000 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+0x39a/0x6c0 net/mac80211/tx.c:5263 __ieee80211_beacon_get+0xd3d/0x1880 net/mac80211/tx.c:-1 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5677 ieee80211_beacon_get include/net/mac80211.h:5663 [inline] mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2319 __iterate_interfaces+0x2a8/0x590 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+0x52c/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:find_stack lib/stackdepot.c:601 [inline] RIP: 0010:stack_depot_save_flags+0x163/0x860 lib/stackdepot.c:668 Code: c8 31 c5 c1 c0 18 29 c5 48 8b 05 f8 8b df 14 8b 0d ea 8b df 14 21 e9 48 c1 e1 04 4c 8d 24 08 65 ff 05 81 a4 a1 0d 4c 8b 3c 08 <4d> 39 e7 44 89 2c 24 74 05 45 89 d5 eb 34 45 31 ff e9 85 00 00 00 RSP: 0000:ffffc9001ba57858 EFLAGS: 00000282 RAX: ffff88823ae00000 RBX: 0000000000000c01 RCX: 0000000000894550 RDX: 0000000094503a8d RSI: 0000000000000001 RDI: 00000000c51b8696 RBP: 000000006c789455 R08: 00000000ef58bb06 R09: 00000000e2878401 R10: 000000000000000b R11: ffffffff81ac3910 R12: ffff88823b694550 R13: 0000000000000cc0 R14: ffffc9001ba578c0 R15: ffff88805a56ea10 kasan_save_stack mm/kasan/common.c:48 [inline] kasan_save_track+0x4f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:330 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:356 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4180 [inline] slab_alloc_node mm/slub.c:4229 [inline] kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4236 ptlock_alloc+0x20/0x70 mm/memory.c:7161 ptlock_init include/linux/mm.h:2953 [inline] pagetable_pte_ctor include/linux/mm.h:3002 [inline] __pte_alloc_one_noprof include/asm-generic/pgalloc.h:78 [inline] pte_alloc_one+0x7d/0x170 arch/x86/mm/pgtable.c:18 __do_fault+0xd1/0x390 mm/memory.c:5147 do_shared_fault mm/memory.c:5637 [inline] do_fault mm/memory.c:5711 [inline] do_pte_missing mm/memory.c:4234 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault+0x1847/0x5440 mm/memory.c:6195 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6364 do_user_addr_fault+0xa81/0x1390 arch/x86/mm/fault.c:1336 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7fda30c6ecb7 Code: 49 89 ee 41 83 e6 03 0f 85 0e 02 00 00 48 89 df be 04 00 00 00 e8 d9 7d fe ff 48 8b 43 38 83 43 28 04 48 8d 50 fc 48 89 53 38 <44> 89 68 fc 8b 43 28 48 83 c4 38 5b 5d 41 5c 41 5d 41 5e 41 5f c3 RSP: 002b:00007fff7dfd7380 EFLAGS: 00010202 RAX: 0000001b33024000 RBX: 00007fda31ae5720 RCX: 0000001b32c24218 RDX: 0000001b33023ffc RSI: 00000000003ffde8 RDI: 00007fda31ae5700 RBP: 0000000000000000 R08: 00007fda30fb6038 R09: 00007fda30fa2000 R10: 00007fda31ae5700 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000168 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 31 c5 xor %eax,%ebp 2: c1 c0 18 rol $0x18,%eax 5: 29 c5 sub %eax,%ebp 7: 48 8b 05 f8 8b df 14 mov 0x14df8bf8(%rip),%rax # 0x14df8c06 e: 8b 0d ea 8b df 14 mov 0x14df8bea(%rip),%ecx # 0x14df8bfe 14: 21 e9 and %ebp,%ecx 16: 48 c1 e1 04 shl $0x4,%rcx 1a: 4c 8d 24 08 lea (%rax,%rcx,1),%r12 1e: 65 ff 05 81 a4 a1 0d incl %gs:0xda1a481(%rip) # 0xda1a4a6 25: 4c 8b 3c 08 mov (%rax,%rcx,1),%r15 * 29: 4d 39 e7 cmp %r12,%r15 <-- trapping instruction 2c: 44 89 2c 24 mov %r13d,(%rsp) 30: 74 05 je 0x37 32: 45 89 d5 mov %r10d,%r13d 35: eb 34 jmp 0x6b 37: 45 31 ff xor %r15d,%r15d 3a: e9 85 00 00 00 jmp 0xc4