syscall.sh / x86 / fchownat

fchownat

change ownership of a file

sys_fchownat(int dfd, const char *filename, uid_t user, gid_t group, int flag)
number298 (0x12a)
abii386
entry pointsys_fchownat
sinceLinux 3.3
man pagefchownat(2)
sourceelixir.bootlin.com

Registers

registervalue
eax298, the syscall number
ebxint dfd
ecxconst char *filename
edxuid_t user
esigid_t group
ediint flag
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/fchownat