syscall.sh / s390x / umount2

umount2

unmount filesystem

sys_umount(char *name, int flags)
number52 (0x34)
abicommon
entry pointsys_umount
sinceLinux 4.16
man pageumount2(2)
sourceelixir.bootlin.com

Registers

registervalue
r152, the syscall number
r2char *name
r3int flags
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/umount2