syscall.sh / x64 / request_key

request_key

request a key from the kernel's key management facility

sys_request_key(const char *_type, const char *_description, const char *_callout_info, key_serial_t destringid)
number249 (0xf9)
abicommon
entry pointsys_request_key
sinceLinux 3.3
man pagerequest_key(2)
sourceelixir.bootlin.com

Registers

registervalue
rax249, the syscall number
rdiconst char *_type
rsiconst char *_description
rdxconst char *_callout_info
r10key_serial_t destringid
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/request_key