syscall.sh / x86 / pkey_mprotect
pkey_mprotect
set protection on a region of memory
sys_pkey_mprotect(unsigned long start, size_t len, unsigned long prot, int pkey)| number | 380 (0x17c) |
|---|---|
| abi | i386 |
| entry point | sys_pkey_mprotect |
| since | Linux 4.9 |
| man page | pkey_mprotect(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
eax | 380, the syscall number |
ebx | unsigned long start |
ecx | size_t len |
edx | unsigned long prot |
esi | int pkey |
eax | the return value |
Then run int 0x80 to enter the kernel.
Same syscall on other architectures
- x64 329
- arm64 288
- arm 394
- riscv64 288
- x32 1073742153
- loongarch64 288
- ppc64 386
- ppc 386
- s390x 384
- mips64 5323
- mipsn32 6327
- mipso32 4363
- alpha 524
- arc 288
- csky 288
- hexagon 288
- m68k 381
- microblaze 395
- nios2 288
- openrisc 288
- parisc 351
- sh 384
- sparc 362
- sparc64 362
- xtensa 348
Get this as JSON: https://api.syscall.sh/v2/syscalls/x86/pkey_mprotect