------------[ cut here ]------------
[  137.608979] WARNING: kernel/trace/trace_functions_graph.c:991 at print_graph_entry+0x4b8/0x4e8, CPU#5: cat/6842
[  137.609006] Modules linked in: brcmfmac brcmutil cfg80211 snd_soc_hdmi_codec dw_hdmi_i2s_audio dw_hdmi_cec rockchipdrm snd_soc_simple_card snd_soc_audio_graph_card snd_soc_es8316 snd_soc_simple_card_utils snd_soc_spdif_tx snd_soc_rockchip_i2s dw_hdmi_qp hci_uart hantro_vpu analogix_dp snd_soc_core rockchip_rga v4l2_vp9 dw_mipi_dsi btqca v4l2_h264 snd_compress drm_dp_aux_bus snd_pcm_dmaengine dw_hdmi btbcm videobuf2_dma_sg v4l2_jpeg snd_pcm reset_gpio drm_display_helper v4l2_mem2mem panfrost bluetooth videobuf2_dma_contig drm_shmem_helper cec videobuf2_memops snd_timer drm_client_lib rockchip_saradc gpu_sched rfkill videobuf2_v4l2 snd drm_dma_helper phy_rockchip_pcie pwrseq_core industrialio_triggered_buffer rtc_rk808 soundcore videobuf2_common drm_kms_helper rockchip_dfi rockchip_thermal pcie_rockchip_host kfifo_buf coresight_cpu_debug fuse drm backlight ip_tables x_tables
[  137.609746] CPU: 5 UID: 0 PID: 6842 Comm: cat Not tainted 6.16.0-rc7-next-20250724 #1 PREEMPT_RT 
[  137.609763] Hardware name: Radxa ROCK Pi 4B (DT)
[  137.609777] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  137.609793] pc : print_graph_entry+0x4b8/0x4e8
[  137.609815] lr : print_graph_entry+0x140/0x4e8
[  137.609836] sp : ffff80008a51baf0
[  137.609849] x29: ffff80008a51bb50 x28: ffff000008427a20 x27: ffff000008427a40
[  137.609894] x26: ffff8000815f2adc x25: 0000000000000004 x24: ffff000008427a20
[  137.609938] x23: ffff0000174ec000 x22: 0000000000000696 x21: 00000000fefefefe
[  137.609982] x20: ffff0000174e8000 x19: ffff0000174ea090 x18: 0000000000000000
[  137.610026] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  137.610069] x14: 0000000000000001 x13: 0000000000000001 x12: 2d2d2d2d2d2d2d2d
[  137.610113] x11: 2d2d2d2d2d2d2d2d x10: 0000000000000020 x9 : 2d2d2d2d2d2d2d2d
[  137.610157] x8 : 0000000000000020 x7 : 0000000000000001 x6 : 0000000000000029
[  137.610200] x5 : ffff0000174ea112 x4 : ffff80008217f286 x3 : 0000000000000004
[  137.610244] x2 : ffff80008299e030 x1 : ffff800074da0000 x0 : fffffdffbf7d99f0
[  137.610288] Call trace:
[  137.610302]  print_graph_entry+0x4b8/0x4e8 (P)
[  137.610325]  print_graph_function_flags+0x280/0x4b8
[  137.610347]  print_graph_function+0x18/0x28
[  137.610369]  print_trace_line+0xc8/0x5d0
[  137.610390]  tracing_read_pipe+0x21c/0x390
[  137.610411]  vfs_read+0xcc/0x340
[  137.610433]  ksys_read+0x7c/0x120
[  137.610453]  __arm64_sys_read+0x24/0x38
[  137.610474]  invoke_syscall+0x50/0x120
[  137.610494]  el0_svc_common.constprop.0+0xc8/0xf0
[  137.610514]  do_el0_svc+0x24/0x38
[  137.610533]  el0_svc+0x3c/0x138
[  137.610554]  el0t_64_sync_handler+0xa0/0xe8
[  137.610574]  el0t_64_sync+0x198/0x1a0
[  137.610596] ---[ end trace 0000000000000000 ]---