syscall.sh / sh / lookup_dcookie

lookup_dcookie

return a directory entry's path

sys_lookup_dcookie(u64 cookie64, char *buf, size_t len)

This syscall was removed in Linux 6.7.

number253 (0xfd)
abicommon
entry pointsys_lookup_dcookie
sinceLinux 5.0
removed inLinux 6.7
man pagelookup_dcookie(2)
sourceelixir.bootlin.com

Registers

registervalue
r3253, the syscall number
r4u64 cookie64
r5char *buf
r6size_t len
r0the return value

Then run trapa #31 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/sh/lookup_dcookie