package/kernel/linux-header/fixed-cmdline-limit.patch

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   2 # T2 SDE: package/*/linux-header/fixed-cmdline-limit.patch
   3 # Copyright (C) 2024 The T2 SDE Project
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  13
  14 Don't dynamically and unnecessarily scale the cmdline arg strlen
  15 w/ 16...64k page sizes for consistency.
  16
  17 diff --git a/include/uapi/linux/binfmts.h b/include/uapi/linux/binfmts.h
  18 index c6f9450efc12..7b1d5fb54009 100644
  19 --- a/include/uapi/linux/binfmts.h
  20 +++ b/include/uapi/linux/binfmts.h
  21 @@ -12,7 +12,7 @@ struct pt_regs;
  22   * prevent the kernel from being unduly impacted by misaddressed pointers.
  23   * MAX_ARG_STRINGS is chosen to fit in a signed 32-bit integer.
  24   */
  25 -#define MAX_ARG_STRLEN (PAGE_SIZE * 32)
  26 +#define MAX_ARG_STRLEN (4096 * 32)
  27  #define MAX_ARG_STRINGS 0x7FFFFFFF
  28
  29  /* sizeof(linux_binprm->buf) */