------------[ cut here ]------------
[   27.200078] event 'ma_read' has unsafe pointer field 'fn'
[   27.200981] WARNING: kernel/trace/trace.c:3823 at ignore_event+0x1de/0x1fa, CPU#0: cat/337
[   27.201044] Modules linked in: drm drm_panel_orientation_quirks configfs backlight ip_tables x_tables
[   27.201375] CPU: 0 UID: 0 PID: 337 Comm: cat Not tainted 6.16.0-rc4-next-20250630 #1 NONE 
[   27.201422] Hardware name: riscv-virtio,qemu (DT)
[   27.201522] epc : ignore_event+0x1de/0x1fa
[   27.201566]  ra : ignore_event+0x1de/0x1fa
[   27.201599] epc : ffffffff801555c0 ra : ffffffff801555c0 sp : ff20000000723be0
[   27.201617]  gp : ffffffff81c62568 tp : ff60000080343600 t0 : ff200000007239b8
[   27.201634]  t1 : 00000000ffffffff t2 : 205b2d2d2d2d2d2d s0 : ff20000000723c50
[   27.201651]  s1 : ff60000080066150 a0 : 000000000000002d a1 : 0000000000000001
[   27.201667]  a2 : ff600000fffae990 a3 : 0000000000000000 a4 : 0000000000000000
[   27.201683]  a5 : 0000000000000000 a6 : 0000000000000001 a7 : 0000000000000235
[   27.201700]  s2 : ffffffff81801628 s3 : ff60000085268078 s4 : ffffffff81bedc30
[   27.201716]  s5 : ff6000008526a090 s6 : ff6000008526a054 s7 : ff60000080269278
[   27.201732]  s8 : ffffffff81200000 s9 : ffffffff81800000 s10: ffffffff81bfbe58
[   27.201748]  s11: ff6000008526c000 t3 : ffffffff81c626e8 t4 : ffffffff800201f8
[   27.201764]  t5 : ffffffff80144da4 t6 : ff200000007239b8
[   27.201779] status: 0000000200000120 badaddr: ffffffff801555c0 cause: 0000000000000003
[   27.201839] [<ffffffff801555c0>] ignore_event+0x1de/0x1fa
[   27.201911] [<ffffffff8015ae68>] trace_event_printf+0x46/0x88
[   27.201926] [<ffffffff80d4c6a0>] trace_raw_output_ma_read+0x5e/0x7a
[   27.201944] [<ffffffff80156a12>] print_trace_line+0x1c2/0x438
[   27.201960] [<ffffffff80157264>] tracing_read_pipe+0x1a2/0x2ee
[   27.201976] [<ffffffff802ee308>] vfs_read+0xb8/0x2c2
[   27.201993] [<ffffffff802eed5a>] ksys_read+0x78/0xde
[   27.202009] [<ffffffff802eede2>] __riscv_sys_read+0x22/0x2c
[   27.202025] [<ffffffff80d68f10>] do_trap_ecall_u+0x1ba/0x392
[   27.202041] [<ffffffff80d75da2>] handle_exception+0x146/0x152
[   27.202112] ---[ end trace 0000000000000000 ]---

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