syscall.sh / x86 / chmod

chmod

change permissions of a file

sys_chmod(const char *filename, umode_t mode)
number15 (0xf)
abii386
entry pointsys_chmod
sinceLinux 3.3
man pagechmod(2)
sourceelixir.bootlin.com

Registers

registervalue
eax15, the syscall number
ebxconst char *filename
ecxumode_t mode
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/chmod