syscall.sh / sh / setresgid

setresgid

set real, effective, and saved user or group ID

sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid)
number170 (0xaa)
abicommon
entry pointsys_setresgid16
sinceLinux 5.0
man pagesetresgid(2)
sourceelixir.bootlin.com

Registers

registervalue
r3170, the syscall number
r4old_gid_t rgid
r5old_gid_t egid
r6old_gid_t sgid
r0the return value

Then run trapa #31 to enter the kernel.

Same syscall on other architectures

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