Systemtap works fine with chmod_common:
----------
probe kernel.function("chmod_common") {
    printf("%x\n", $path->dentry)
}
----------


Systemtap returns error for chown_common:
----------
probe kernel.function("chown_common") {
    printf("%x\n", $path->dentry)
}
----------


Systemtap translator/driver (version 3.0/0.166, rpm 3.0-7.el7):
----------
semantic error: while processing probe kernel.function("chown_common@fs/open.c:556") from: kernel.function("chown_common")

semantic error: unrecognized operation in DWARF expression [0] at 0 (0xfa: 65037, 0): identifier '$path' at ./test.stp:8:20
        dieoffset: 0x1af00cd from /usr/lib/debug/lib/modules/3.10.0-514.26.2.el7.x86_64/vmlinux
        function: chown_common at fs/open.c:556
        source:     printf("%x\n", $path->dentry)
                                   ^

Pass 2: analysis failed.  [man error::pass2]
----------


Systemtap translator/driver (version 3.2/0.166, commit release-3.1-225-g77dc57150b5d + changes):
----------
semantic error: while processing probe kernel.function("chown_common@fs/open.c:556") from: kernel.function("chown_common")

semantic error: unhandled DW_OP operation in DWARF expression [0] at 0 (250: 65037, 0): identifier '$path' at ./test.stp:8:20
        source:     printf("%x\n", $path->dentry)
                                   ^

Pass 2: analysis failed.  [man error::pass2]
----------

Problematic DWARF atom is 0xfa (DW_OP_GNU_parameter_ref).

Functions definition in kernel:
static int chown_common(struct path *path, uid_t user, gid_t group)
static int chmod_common(struct path *path, umode_t mode)

System:
CentOS Linux release 7.3.1611 (Core)
Linux 3.10.0-514.26.2.el7.x86_64
gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-11)