------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20
WARNING: CPU: 0 PID: 144 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Modules linked in:
CPU: 0 PID: 144 Comm: kworker/u4:5 Not tainted 6.6.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: writeback wb_workfn (flush-7:0)
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 00 85 be 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 9b e7 6a 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:ffffc90000007560 EFLAGS: 00010246
RAX: 3bc0528e494dd900 RBX: 000000000000000c RCX: ffff88801afa5a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000084 R08: ffffffff90da367f R09: 1ffffffff21b46cf
R10: dffffc0000000000 R11: fffffbfff21b46d0 R12: 0000000000000020
R13: dffffc0000000000 R14: ffff88802c633358 R15: ffff88801b36bde8
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 000000001df2c000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405
 rate_control_get_rate+0x20b/0x5c0 net/mac80211/rate.c:921
 ieee80211_beacon_get_finish+0x38d/0x6b0 net/mac80211/tx.c:5218
 ieee80211_beacon_get_ap+0x1429/0x1970 net/mac80211/tx.c:5321
 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5417
 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5559
 ieee80211_beacon_get include/net/mac80211.h:5438 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
 __run_hrtimer kernel/time/hrtimer.c:1755 [inline]
 __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:182 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:245 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x10/0x90 kernel/kcov.c:313
Code: 11 10 48 89 74 11 18 48 89 44 11 20 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 65 48 8b 15 b0 20 7e 7e <65> 8b 0d b1 20 7e 7e 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75
RSP: 0018:ffffc90002d96990 EFLAGS: 00000246
RAX: ffffffff813aa35f RBX: 1ffff920005b2d4d RCX: ffff88801afa5a00
RDX: ffff88801afa5a00 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffc90002d96b30 R09: 0000000000000006
R10: 0000000000000004 R11: 0000000000000000 R12: ffffc90002d96a68
R13: dffffc0000000000 R14: ffffc90002d96aa0 R15: ffffffff83b96547
 unwind_done arch/x86/include/asm/unwind.h:50 [inline]
 unwind_next_frame+0x9f/0x2970 arch/x86/kernel/unwind_orc.c:475
 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4e/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767
 slab_alloc_node mm/slub.c:3485 [inline]
 slab_alloc mm/slub.c:3493 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3500 [inline]
 kmem_cache_alloc+0x11e/0x2e0 mm/slub.c:3509
 f2fs_kmem_cache_alloc_nofail fs/f2fs/f2fs.h:2854 [inline]
 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2864 [inline]
 add_free_nid+0xd9/0x840 fs/f2fs/node.c:2309
 scan_free_nid_bits fs/f2fs/node.c:2460 [inline]
 __f2fs_build_free_nids fs/f2fs/node.c:2494 [inline]
 f2fs_build_free_nids+0x513/0x1170 fs/f2fs/node.c:2559
 f2fs_balance_fs_bg+0x167/0x9a0 fs/f2fs/segment.c:500
 f2fs_write_node_pages+0x14c/0x6b0 fs/f2fs/node.c:2148
 do_writepages+0x3a2/0x600 mm/page-writeback.c:2575
 __writeback_single_inode+0x153/0xee0 fs/fs-writeback.c:1625
 writeback_sb_inodes+0x77c/0xef0 fs/fs-writeback.c:1916
 wb_writeback+0x450/0xba0 fs/fs-writeback.c:2095
 wb_do_writeback fs/fs-writeback.c:2242 [inline]
 wb_workfn+0x3ff/0xe20 fs/fs-writeback.c:2282
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
----------------
Code disassembly (best guess):
   0:	11 10                	adc    %edx,(%rax)
   2:	48 89 74 11 18       	mov    %rsi,0x18(%rcx,%rdx,1)
   7:	48 89 44 11 20       	mov    %rax,0x20(%rcx,%rdx,1)
   c:	c3                   	ret
   d:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  14:	00 00 00
  17:	0f 1f 00             	nopl   (%rax)
  1a:	f3 0f 1e fa          	endbr64
  1e:	48 8b 04 24          	mov    (%rsp),%rax
  22:	65 48 8b 15 b0 20 7e 	mov    %gs:0x7e7e20b0(%rip),%rdx        # 0x7e7e20da
  29:	7e
* 2a:	65 8b 0d b1 20 7e 7e 	mov    %gs:0x7e7e20b1(%rip),%ecx        # 0x7e7e20e2 <-- trapping instruction
  31:	81 e1 00 01 ff 00    	and    $0xff0100,%ecx
  37:	74 11                	je     0x4a
  39:	81 f9 00 01 00 00    	cmp    $0x100,%ecx
  3f:	75                   	.byte 0x75