syscall.sh / s390x / setreuid

setreuid

set real and/or effective user or group ID

sys_setreuid(uid_t ruid, uid_t euid)
number203 (0xcb)
abicommon
entry pointsys_setreuid
sinceLinux 4.16
man pagesetreuid(2)
sourceelixir.bootlin.com

Registers

registervalue
r1203, the syscall number
r2uid_t ruid
r3uid_t euid
r2the return value

Then run svc 0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/s390x/setreuid