syscall.sh / x64 / pkey_alloc

pkey_alloc

allocate or free a protection key

sys_pkey_alloc(unsigned long flags, unsigned long init_val)
number330 (0x14a)
abicommon
entry pointsys_pkey_alloc
sinceLinux 4.9
man pagepkey_alloc(2)
sourceelixir.bootlin.com

Registers

registervalue
rax330, the syscall number
rdiunsigned long flags
rsiunsigned long init_val
raxthe return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x64/pkey_alloc