------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40
WARNING: CPU: 0 PID: 4364 at net/mac80211/rate.c:376 __rate_control_send_low+0x630/0x880 net/mac80211/rate.c:371
Modules linked in:
CPU: 0 PID: 4364 Comm: syz.0.23 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
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 e0 6a 39 8b 4c 89 f6 44 8b 44 24 14 45 89 f9 e8 50 d1 69 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:ffffc90000007788 EFLAGS: 00010246
RAX: 637222392f2b5500 RBX: 000000000000000c RCX: ffff888027609dc0
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000000084 R08: ffffc900000072a7 R09: 1ffff92000000e54
R10: dffffc0000000000 R11: fffff52000000e55 R12: ffff888062405668
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000040
FS:  00007fda928a16c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000002c0 CR3: 000000006288f000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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+0x155e/0x2000 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+0x4eb/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:unwind_next_frame+0x8c/0x1d90 arch/x86/kernel/unwind_orc.c:-1
Code: 7c 24 38 4c 8b 6b 38 49 89 df 49 c1 ef 03 43 0f b6 04 37 84 c0 0f 85 b7 16 00 00 8b 03 85 c0 0f 84 f1 14 00 00 48 89 6c 24 18 <89> 44 24 7c 4c 89 ac 24 80 00 00 00 4c 89 64 24 58 4c 89 7c 24 48
RSP: 0018:ffffc900011ff308 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900011ff428 RCX: 0000000000000001
RDX: ffffc900011ff4b8 RSI: dffffc0000000000 RDI: ffffc900011ff428
RBP: ffffc900011ff470 R08: ffffc900011ff401 R09: ffffc900011ff428
R10: dffffc0000000000 R11: fffff5200023fe91 R12: ffffffff81352c1e
R13: ffffc900011ff3c8 R14: dffffc0000000000 R15: 1ffff9200023fe85
 __unwind_start+0x5bb/0x740 arch/x86/kernel/unwind_orc.c:704
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0xda/0x140 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 __kasan_slab_alloc+0x9c/0xd0 mm/kasan/common.c:467
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x4c/0x380 mm/slab.h:519
 slab_alloc_node mm/slub.c:3225 [inline]
 slab_alloc mm/slub.c:3233 [inline]
 kmem_cache_alloc+0x100/0x290 mm/slub.c:3238
 shmem_alloc_inode+0x16/0x30 mm/shmem.c:3789
 alloc_inode fs/inode.c:261 [inline]
 new_inode_pseudo+0x5f/0x210 fs/inode.c:1001
 new_inode+0x25/0x1c0 fs/inode.c:1030
 shmem_get_inode+0x334/0xa90 mm/shmem.c:2290
 shmem_mknod+0x55/0x1b0 mm/shmem.c:2850
 lookup_open fs/namei.c:3470 [inline]
 open_last_lookups fs/namei.c:3540 [inline]
 path_openat+0x11db/0x2fa0 fs/namei.c:3747
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x150/0x4b0 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fda94645eb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fda928a1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fda948c0fa0 RCX: 00007fda94645eb9
RDX: 00000000000026e1 RSI: 00002000000002c0 RDI: ffffffffffffff9c
RBP: 00007fda946b3c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fda948c1038 R14: 00007fda948c0fa0 R15: 00007ffe3a4dee68
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	24 38                	and    $0x38,%al
   2:	4c 8b 6b 38          	mov    0x38(%rbx),%r13
   6:	49 89 df             	mov    %rbx,%r15
   9:	49 c1 ef 03          	shr    $0x3,%r15
   d:	43 0f b6 04 37       	movzbl (%r15,%r14,1),%eax
  12:	84 c0                	test   %al,%al
  14:	0f 85 b7 16 00 00    	jne    0x16d1
  1a:	8b 03                	mov    (%rbx),%eax
  1c:	85 c0                	test   %eax,%eax
  1e:	0f 84 f1 14 00 00    	je     0x1515
  24:	48 89 6c 24 18       	mov    %rbp,0x18(%rsp)
* 29:	89 44 24 7c          	mov    %eax,0x7c(%rsp) <-- trapping instruction
  2d:	4c 89 ac 24 80 00 00 	mov    %r13,0x80(%rsp)
  34:	00
  35:	4c 89 64 24 58       	mov    %r12,0x58(%rsp)
  3a:	4c 89 7c 24 48       	mov    %r15,0x48(%rsp)