syscall.sh / arm / setfsgid

setfsgid

set group identity used for filesystem checks

sys_setfsgid16(old_gid_t gid)
number139 (0x8b)
abicommon
entry pointsys_setfsgid16
sinceLinux 4.10
man pagesetfsgid(2)
sourceelixir.bootlin.com

Registers

registervalue
r7139, the syscall number
r0old_gid_t gid
r0the 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/arm/setfsgid