fchown on score
change ownership of a file
sys_fchown(unsigned int fd, uid_t user, gid_t group)| number | 55 (0x37) |
|---|---|
| abi | common |
| entry point | sys_fchown |
| since | Linux 3.7 or earlier (3.7 is the first release scanned for score) |
| man page | fchown(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r27 | 55, the syscall number |
r4 | unsigned int fd |
r5 | uid_t user |
r6 | gid_t group |
r4 | the return value |
Then run syscall to enter the kernel.
r7 is the error flag and r4 then holds the positive error number.
This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.
Same syscall on other architectures
- x64 93
- x86 95
- arm64 55
- arm 95
- riscv64 55
- ia32 95
- x32 1073741917
- loongarch64 55
- ppc64 95
- ppc 95
- s390x 207
- mips64 5091
- mipsn32 6091
- mipso32 4095
- alpha 123
- arc 55
- blackfin 95, removed in 4.17
- cris 95, removed in 4.17
- csky 55
- frv 95, removed in 4.17
- hexagon 55
- ia64 1100, removed in 6.7
- m68k 95
- metag 55, removed in 4.17
- microblaze 95
- mn10300 95, removed in 4.17
- nds32 55, removed in 5.18
- nios2 55
- openrisc 55
- parisc 95
- sh 95
- sparc 123
- sparc64 123
- tilegx 55, removed in 4.17
- tilepro 55, removed in 4.17
- xtensa 53
Get this as JSON: https://api.syscall.sh/v2/syscalls/score/fchown?kernel=all