syscall.sh / x64 / add_key

add_key

add a key to the kernel's key management facility

sys_add_key(const char *_type, const char *_description, const void *_payload, size_t plen, key_serial_t destringid)
number248 (0xf8)
abicommon
entry pointsys_add_key
sinceLinux 3.3
man pageadd_key(2)
sourceelixir.bootlin.com

Registers

registervalue
rax248, the syscall number
rdiconst char *_type
rsiconst char *_description
rdxconst void *_payload
r10size_t plen
r8key_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/add_key