force_sig_info_umip_fault(9)
π₯ force_sig_info_umip_fault(9) π₯
From the Kernel API Manual, bestie β welcome to the function that force-feeds a segfault vibe. π«Ά
π NAME π
force_sig_info_umip_fault β Force a SIGSEGV with SEGV_MAPERR. π¨
β¨ SYNOPSIS β¨
void force_sig_info_umip_fault (void __user *addr , struct pt_regs *regs
);
π ARGUMENTS π
addrβ Address that caused the signal. πregsβ Register set containing the instruction pointer. π§
π¦ DESCRIPTION π¦
Okay so this one forces a SIGSEGV signal with SEGV_MAPERR as the error code. π₯ 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. π That's the whole assignment, no cap.
πΈ RETURN πΈ
none β literally no return value, it's a void moment and that's iconic. π
π SEE ALSO π
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). π«Άβ¨π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms