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/linux-6.14.4/tools/testing/selftests/fchmodat2/
Dfchmodat2_test.c12 int sys_fchmodat2(int dfd, const char *filename, mode_t mode, int flags) in sys_fchmodat2() argument
14 int ret = syscall(__NR_fchmodat2, dfd, filename, mode, flags); in sys_fchmodat2()
21 int dfd, ret; in setup_testdir() local
28 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
29 if (dfd < 0) in setup_testdir()
32 ret = openat(dfd, "regfile", O_CREAT | O_WRONLY | O_TRUNC, 0644); in setup_testdir()
38 ret = symlinkat("regfile", dfd, "symlink"); in setup_testdir()
43 return dfd; in setup_testdir()
46 int expect_mode(int dfd, const char *filename, mode_t expect_mode) in expect_mode() argument
49 int ret = fstatat(dfd, filename, &st, AT_SYMLINK_NOFOLLOW); in expect_mode()
[all …]
/linux-6.14.4/fs/
Dutimes.c80 static int do_utimes_path(int dfd, const char __user *filename, in do_utimes_path() argument
95 error = user_path_at(dfd, filename, lookup_flags, &path); in do_utimes_path()
122 * @dfd: open file descriptor, -1 or AT_FDCWD
127 * If filename is NULL and dfd refers to an open file, then operate on
128 * the file. Otherwise look up filename, possibly using dfd as a
135 long do_utimes(int dfd, const char __user *filename, struct timespec64 *times, in do_utimes() argument
138 if (filename == NULL && dfd != AT_FDCWD) in do_utimes()
139 return do_utimes_fd(dfd, times, flags); in do_utimes()
140 return do_utimes_path(dfd, filename, times, flags); in do_utimes()
143 SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
[all …]
Dstat.c321 * @dfd: A file descriptor representing the base dir for a relative filename
334 static int vfs_statx(int dfd, struct filename *filename, int flags, in vfs_statx() argument
346 error = filename_lookup(dfd, filename, lookup_flags, &path, NULL); in vfs_statx()
358 int vfs_fstatat(int dfd, const char __user *filename, in vfs_fstatat() argument
365 if (!name && dfd >= 0) in vfs_fstatat()
366 return vfs_fstat(dfd, stat); in vfs_fstatat()
368 ret = vfs_statx(dfd, name, statx_flags, stat, STATX_BASIC_STATS); in vfs_fstatat()
526 SYSCALL_DEFINE4(newfstatat, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
532 error = vfs_fstatat(dfd, filename, &stat, flag); in SYSCALL_DEFINE4()
551 static int do_readlinkat(int dfd, const char __user *pathname, in do_readlinkat() argument
[all …]
Dinternal.h55 extern int filename_lookup(int dfd, struct filename *name, unsigned flags,
57 int do_rmdir(int dfd, struct filename *name);
58 int do_unlinkat(int dfd, struct filename *name);
62 int do_mkdirat(int dfd, struct filename *name, umode_t mode);
182 extern struct file *do_filp_open(int dfd, struct filename *pathname,
193 int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
249 int do_statx(int dfd, struct filename *filename, unsigned int flags,
283 ssize_t filename_getxattr(int dfd, struct filename *filename,
286 int filename_setxattr(int dfd, struct filename *filename,
Dxattr.c653 int filename_setxattr(int dfd, struct filename *filename, in filename_setxattr() argument
660 error = filename_lookup(dfd, filename, lookup_flags, &path, NULL); in filename_setxattr()
679 static int path_setxattrat(int dfd, const char __user *pathname, in path_setxattrat() argument
707 CLASS(fd, f)(dfd); in path_setxattrat()
713 error = filename_setxattr(dfd, filename, lookup_flags, &ctx); in path_setxattrat()
719 SYSCALL_DEFINE6(setxattrat, int, dfd, const char __user *, pathname, unsigned int, at_flags, in SYSCALL_DEFINE6() argument
738 return path_setxattrat(dfd, pathname, at_flags, name, in SYSCALL_DEFINE6()
808 ssize_t filename_getxattr(int dfd, struct filename *filename, in filename_getxattr() argument
814 error = filename_lookup(dfd, filename, lookup_flags, &path, NULL); in filename_getxattr()
828 static ssize_t path_getxattrat(int dfd, const char __user *pathname, in path_getxattrat() argument
[all …]
Dopen.c463 static long do_faccessat(int dfd, const char __user *filename, int mode, int flags) in do_faccessat() argument
489 res = user_path_at(dfd, filename, lookup_flags, &path); in do_faccessat()
535 SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode) in SYSCALL_DEFINE3() argument
537 return do_faccessat(dfd, filename, mode, 0); in SYSCALL_DEFINE3()
540 SYSCALL_DEFINE4(faccessat2, int, dfd, const char __user *, filename, int, mode, in SYSCALL_DEFINE4() argument
543 return do_faccessat(dfd, filename, mode, flags); in SYSCALL_DEFINE4()
673 static int do_fchmodat(int dfd, const char __user *filename, umode_t mode, in do_fchmodat() argument
688 error = user_path_at(dfd, filename, lookup_flags, &path); in do_fchmodat()
700 SYSCALL_DEFINE4(fchmodat2, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
703 return do_fchmodat(dfd, filename, mode, flags); in SYSCALL_DEFINE4()
[all …]
Dnamei.c651 int dfd; member
660 static void __set_nameidata(struct nameidata *p, int dfd, struct filename *name) in __set_nameidata() argument
665 p->dfd = dfd; in __set_nameidata()
675 static inline void set_nameidata(struct nameidata *p, int dfd, struct filename *name, in set_nameidata() argument
678 __set_nameidata(p, dfd, name); in set_nameidata()
2541 /* Absolute pathname -- fetch the root (LOOKUP_IN_ROOT uses nd->dfd). */ in path_init()
2550 if (nd->dfd == AT_FDCWD) { in path_init()
2567 CLASS(fd_raw, f)(nd->dfd); in path_init()
2657 int filename_lookup(int dfd, struct filename *name, unsigned flags, in filename_lookup() argument
2664 set_nameidata(&nd, dfd, name, root); in filename_lookup()
[all …]
Dfhandle.c116 * @dfd: directory relative to which name is interpreted if not absolute
129 SYSCALL_DEFINE5(name_to_handle_at, int, dfd, const char __user *, name, in SYSCALL_DEFINE5() argument
146 * AT_EMPTY_PATH could be used along with a dfd that refers to a in SYSCALL_DEFINE5()
161 err = user_path_at(dfd, name, lookup_flags, &path); in SYSCALL_DEFINE5()
/linux-6.14.4/tools/testing/selftests/openat2/
Dhelpers.c22 int raw_openat2(int dfd, const char *path, void *how, size_t size) in raw_openat2() argument
24 int ret = syscall(__NR_openat2, dfd, path, how, size); in raw_openat2()
28 int sys_openat2(int dfd, const char *path, struct open_how *how) in sys_openat2() argument
30 return raw_openat2(dfd, path, how, sizeof(*how)); in sys_openat2()
33 int sys_openat(int dfd, const char *path, struct open_how *how) in sys_openat() argument
35 int ret = openat(dfd, path, how->flags, how->mode); in sys_openat()
47 int touchat(int dfd, const char *path) in touchat() argument
49 int fd = openat(dfd, path, O_CREAT, 0700); in touchat()
71 bool fdequal(int fd, int dfd, const char *path) in fdequal() argument
77 dfdpath = fdreadlink(dfd); in fdequal()
Dresolve_test.c49 int dfd, tmpfd; in setup_testdir() local
59 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
60 if (dfd < 0) in setup_testdir()
64 E_mkdirat(dfd, "root", 0755); in setup_testdir()
65 tmpfd = openat(dfd, "root", O_PATH | O_DIRECTORY); in setup_testdir()
68 close(dfd); in setup_testdir()
69 dfd = tmpfd; in setup_testdir()
71 E_symlinkat("/proc/self/exe", dfd, "procexe"); in setup_testdir()
72 E_symlinkat("/proc/self/root", dfd, "procroot"); in setup_testdir()
73 E_mkdirat(dfd, "root", 0755); in setup_testdir()
[all …]
Drename_attack_test.c37 int dfd; in setup_testdir() local
43 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
44 if (dfd < 0) in setup_testdir()
47 E_mkdirat(dfd, "a", 0755); in setup_testdir()
48 E_mkdirat(dfd, "b", 0755); in setup_testdir()
49 E_mkdirat(dfd, "a/c", 0755); in setup_testdir()
51 return dfd; in setup_testdir()
86 int dfd, afd; in test_rename_attack() local
101 dfd = setup_testdir(); in test_rename_attack()
102 afd = openat(dfd, "a", O_PATH); in test_rename_attack()
[all …]
Dhelpers.h96 int raw_openat2(int dfd, const char *path, void *how, size_t size);
97 int sys_openat2(int dfd, const char *path, struct open_how *how);
98 int sys_openat(int dfd, const char *path, struct open_how *how);
102 int touchat(int dfd, const char *path);
104 bool fdequal(int fd, int dfd, const char *path);
/linux-6.14.4/io_uring/
Dfs.c29 int dfd; member
36 int dfd; member
114 un->dfd = READ_ONCE(sqe->fd); in io_unlinkat_prep()
138 ret = do_rmdir(un->dfd, un->filename); in io_unlinkat()
140 ret = do_unlinkat(un->dfd, un->filename); in io_unlinkat()
164 mkd->dfd = READ_ONCE(sqe->fd); in io_mkdirat_prep()
184 ret = do_mkdirat(mkd->dfd, mkd->filename, mkd->mode); in io_mkdirat()
Dstatx.c16 int dfd; member
33 sx->dfd = READ_ONCE(sqe->fd); in io_statx_prep()
60 ret = do_statx(sx->dfd, sx->filename, sx->flags, sx->mask, sx->buffer); in io_statx()
Dopenclose.c21 int dfd; member
65 open->dfd = READ_ONCE(sqe->fd); in __io_openat_prep()
140 file = do_filp_open(open->dfd, open->filename, &op); in io_openat2()
/linux-6.14.4/include/linux/
Dsyscalls.h342 asmlinkage long sys_setxattrat(int dfd, const char __user *path, unsigned int at_flags,
351 asmlinkage long sys_getxattrat(int dfd, const char __user *path, unsigned int at_flags,
360 asmlinkage long sys_listxattrat(int dfd, const char __user *path,
368 asmlinkage long sys_removexattrat(int dfd, const char __user *path,
404 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
406 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
407 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
440 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
441 asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
447 asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
[all …]
/linux-6.14.4/Documentation/trace/
Dkprobetrace.rst189 p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)
193 p:myprobe,do_sys_open,dfd=%ax,filename=%dx,flags=%cx,mode=+4($stack)
201 …echo 'p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)' > /sys/kernel/tracing/…
230 field:unsigned long dfd; offset:20; size:4; signed:0;
236 print fmt: "(%lx) dfd=%lx filename=%lx flags=%lx mode=%lx", REC->__probe_ip,
237 REC->dfd, REC->filename, REC->flags, REC->mode
275 …<...>-1447 [001] 1038282.286875: myprobe: (do_sys_open+0x0/0xd6) dfd=3 filename=7fffd1ec4440 flag…
277 …<...>-1447 [001] 1038282.286885: myprobe: (do_sys_open+0x0/0xd6) dfd=ffffff9c filename=40413c fla…
279 …<...>-1447 [001] 1038282.286969: myprobe: (do_sys_open+0x0/0xd6) dfd=ffffff9c filename=4041c6 fla…
/linux-6.14.4/arch/powerpc/platforms/cell/spufs/
Dcoredump.c24 static int spufs_ctx_note_size(struct spu_context *ctx, int dfd) in spufs_ctx_note_size() argument
34 sprintf(fullname, "SPU/%d/%s", dfd, name); in spufs_ctx_note_size()
117 struct coredump_params *cprm, int dfd) in spufs_arch_write_note() argument
124 sprintf(fullname, "SPU/%d/%s", dfd, spufs_coredump_read[i].name); in spufs_arch_write_note()
/linux-6.14.4/Documentation/devicetree/bindings/pinctrl/
Dmediatek,mt7981-pinctrl.yaml88 "dfd" "dfd" 0, 1, 4, 5
101 "dfd_ntrst" "dfd" 8
161 enum: [wa_aice, dfd, jtag, pta, pcm, udi, usb, ant, eth, i2c, led,
183 const: dfd
187 enum: [dfd, dfd_ntrst]
Dmediatek,mt7988-pinctrl.yaml102 "dfd" "dfd" 0, 1, 2, 3, 4
205 enum: [audio, dfd, eth, flash, i2c, int_usxgmii, jtag, led, pcie, pmic, pwm, spi,
243 const: dfd
247 const: dfd
/linux-6.14.4/kernel/trace/
Dkprobe_event_gen_test.c42 #define KPROBE_GEN_TEST_ARG0 "dfd=%ax"
49 #define KPROBE_GEN_TEST_ARG0 "dfd=%x0"
56 #define KPROBE_GEN_TEST_ARG0 "dfd=%r0"
63 #define KPROBE_GEN_TEST_ARG0 "dfd=%a0"
/linux-6.14.4/arch/sparc/kernel/
Dsystbls.h65 asmlinkage long compat_sys_fstatat64(unsigned int dfd,
98 asmlinkage long compat_sys_fstatat64(unsigned int dfd,
/linux-6.14.4/tools/testing/selftests/mount_setattr/
Dmount_setattr_test.c137 static inline int sys_mount_setattr(int dfd, const char *path, unsigned int flags, in sys_mount_setattr() argument
140 return syscall(__NR_mount_setattr, dfd, path, flags, attr, size); in sys_mount_setattr()
155 static inline int sys_open_tree(int dfd, const char *filename, unsigned int flags) in sys_open_tree() argument
157 return syscall(__NR_open_tree, dfd, filename, flags); in sys_open_tree()
667 int fd, dfd; in TEST_F() local
711 dfd = open("/mnt/A/AA/B", O_DIRECTORY | O_CLOEXEC); in TEST_F()
712 ASSERT_GE(dfd, 0); in TEST_F()
713 EXPECT_EQ(fsync(dfd), 0); in TEST_F()
714 EXPECT_EQ(close(dfd), 0); in TEST_F()
1391 static bool expected_uid_gid(int dfd, const char *path, int flags, in expected_uid_gid() argument
[all …]
/linux-6.14.4/fs/notify/fanotify/
Dfanotify_user.c1062 static int fanotify_find_path(int dfd, const char __user *filename, in fanotify_find_path() argument
1068 pr_debug("%s: dfd=%d filename=%p flags=%x\n", __func__, in fanotify_find_path()
1069 dfd, filename, flags); in fanotify_find_path()
1072 CLASS(fd, f)(dfd); in fanotify_find_path()
1091 ret = user_path_at(dfd, filename, lookup_flags, path); in fanotify_find_path()
1767 int dfd, const char __user *pathname) in do_fanotify_mark() argument
1783 pr_debug("%s: fanotify_fd=%d flags=%x dfd=%d pathname=%p mask=%llx\n", in do_fanotify_mark()
1784 __func__, fanotify_fd, flags, dfd, pathname, mask); in do_fanotify_mark()
1917 ret = fanotify_find_path(dfd, pathname, &path, flags, in do_fanotify_mark()
2004 __u64, mask, int, dfd, in SYSCALL_DEFINE5() argument
[all …]
/linux-6.14.4/tools/testing/selftests/exec/
Dexecveat.c304 /* dfd + path */ in run_tests()
310 /* absolute path with nonsense dfd */ in run_tests()
337 /* dfd + path */ in run_tests()
348 /* dfd + path */ in run_tests()
362 /* dfd + path */ in run_tests()

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