syscall.sh / x86 / getgroups

getgroups

get/set list of supplementary group IDs

sys_getgroups16(int gidsetsize, old_gid_t *grouplist)
number80 (0x50)
abii386
entry pointsys_getgroups16
sinceLinux 3.3
man pagegetgroups(2)
sourceelixir.bootlin.com

Registers

registervalue
eax80, the syscall number
ebxint gidsetsize
ecxold_gid_t *grouplist
eaxthe return value

Then run int 0x80 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x86/getgroups