force_sig_info_umip_fault(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’₯ force_sig_info_umip_fault(9) πŸ’₯

From the Kernel API Manual, bestie β€” welcome to the function that force-feeds a segfault vibe. 🫢


πŸ’– NAME πŸ’–

force_sig_info_umip_fault β€” Force a SIGSEGV with SEGV_MAPERR. 🚨

✨ SYNOPSIS ✨

void force_sig_info_umip_fault (void __user *addr , struct pt_regs *regs
);

πŸŽ€ ARGUMENTS πŸŽ€

  • addr β€” Address that caused the signal. πŸ“
  • regs β€” Register set containing the instruction pointer. 🧠

πŸ¦‹ DESCRIPTION πŸ¦‹

Okay so this one forces a SIGSEGV signal with SEGV_MAPERR as the error code. πŸ’₯ It's intended to be used to provide a segmentation fault when the result of the UMIP emulation could not be copied to the user space memory. 😭 That's the whole assignment, no cap.

🌸 RETURN 🌸

none β€” literally no return value, it's a void moment and that's iconic. πŸ’…

πŸ’œ SEE ALSO πŸ’œ

Kernel file ./arch/x86/kernel/umip.c β€” go say hi to these besties:


catch u later, bestie! This page is from the ./arch/x86/kernel source/version, dated October 2026, and it belongs to force_sig_info_umip_fault(9). πŸ«Άβœ¨πŸ’–

πŸ“¦ where this page comes from