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/linux/tools/testing/selftests/fchmodat2/
H A 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/tools/testing/selftests/openat2/
H A 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 …]
H A 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 …]
H A 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()
H A 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/fs/
H A 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()
140 long do_utimes(int dfd, const char __user *filename, struct timespec64 *times, in do_utimes() argument
143 if (filename == NULL && dfd != AT_FDCWD) in do_utimes()
144 return do_utimes_fd(dfd, times, flags); in do_utimes()
145 return do_utimes_path(dfd, filename, times, flags); in do_utimes()
148 SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
164 return do_utimes(dfd, filename, utimes ? tstimes : NULL, flags); in SYSCALL_DEFINE4()
174 static long do_futimesat(int dfd, const char __user *filename, in do_futimesat() argument
199 return do_utimes(dfd, filename, utimes ? tstimes : NULL, 0); in do_futimesat()
[all …]
H A Dstat.c232 static int vfs_statx(int dfd, struct filename *filename, int flags, in vfs_statx() argument
244 error = filename_lookup(dfd, filename, lookup_flags, &path, NULL); in vfs_statx()
279 int vfs_fstatat(int dfd, const char __user *filename, in vfs_fstatat() argument
292 if (dfd >= 0 && flags == AT_EMPTY_PATH) { in vfs_fstatat()
300 return vfs_fstat(dfd, stat); in vfs_fstatat()
304 ret = vfs_statx(dfd, name, statx_flags, stat, STATX_BASIC_STATS); in vfs_fstatat()
462 SYSCALL_DEFINE4(newfstatat, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
468 error = vfs_fstatat(dfd, filename, &stat, flag); in SYSCALL_DEFINE4()
487 static int do_readlinkat(int dfd, const char __user *pathname, in do_readlinkat() argument
499 error = user_path_at_empty(dfd, pathname, lookup_flags, &path, &empty); in do_readlinkat()
[all …]
H A Dopen.c464 static long do_faccessat(int dfd, const char __user *filename, int mode, int flags) in do_faccessat() argument
490 res = user_path_at(dfd, filename, lookup_flags, &path); in do_faccessat()
536 SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode) in SYSCALL_DEFINE3() argument
538 return do_faccessat(dfd, filename, mode, 0); in SYSCALL_DEFINE3()
541 SYSCALL_DEFINE4(faccessat2, int, dfd, const char __user *, filename, int, mode, in SYSCALL_DEFINE4() argument
544 return do_faccessat(dfd, filename, mode, flags); in SYSCALL_DEFINE4()
681 static int do_fchmodat(int dfd, const char __user *filename, umode_t mode, in do_fchmodat() argument
696 error = user_path_at(dfd, filename, lookup_flags, &path); in do_fchmodat()
708 SYSCALL_DEFINE4(fchmodat2, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
711 return do_fchmodat(dfd, filenam in SYSCALL_DEFINE4()
714 SYSCALL_DEFINE3(fchmodat,int,dfd,const char __user *,filename,umode_t,mode) SYSCALL_DEFINE3() argument
801 do_fchownat(int dfd,const char __user * filename,uid_t user,gid_t group,int flag) do_fchownat() argument
833 SYSCALL_DEFINE5(fchownat,int,dfd,const char __user *,filename,uid_t,user,gid_t,group,int,flag) SYSCALL_DEFINE5() argument
1390 do_sys_openat2(int dfd,const char __user * filename,struct open_how * how) do_sys_openat2() argument
1418 do_sys_open(int dfd,const char __user * filename,int flags,umode_t mode) do_sys_open() argument
1432 SYSCALL_DEFINE4(openat,int,dfd,const char __user *,filename,int,flags,umode_t,mode) SYSCALL_DEFINE4() argument
1440 SYSCALL_DEFINE4(openat2,int,dfd,const char __user *,filename,struct open_how __user *,how,size_t,usize) SYSCALL_DEFINE4() argument
1479 COMPAT_SYSCALL_DEFINE4(openat,int,dfd,const char __user *,filename,int,flags,umode_t,mode) COMPAT_SYSCALL_DEFINE4() argument
[all...]
H A Dinternal.h54 extern int filename_lookup(int dfd, struct filename *name, unsigned flags,
56 int do_rmdir(int dfd, struct filename *name);
57 int do_unlinkat(int dfd, struct filename *name);
61 int do_mkdirat(int dfd, struct filename *name, umode_t mode);
181 extern struct file *do_filp_open(int dfd, struct filename *pathname,
192 int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
248 int do_statx(int dfd, struct filename *filename, unsigned int flags,
H A Dnamei.c586 int dfd; member
595 static void __set_nameidata(struct nameidata *p, int dfd, struct filename *name) in __set_nameidata() argument
600 p->dfd = dfd; in __set_nameidata()
609 static inline void set_nameidata(struct nameidata *p, int dfd, struct filename *name, in set_nameidata() argument
612 __set_nameidata(p, dfd, name); in set_nameidata()
2393 /* Absolute pathname -- fetch the root (LOOKUP_IN_ROOT uses nd->dfd). */ in path_init()
2402 if (nd->dfd == AT_FDCWD) { in path_init()
2419 struct fd f = fdget_raw(nd->dfd); in path_init()
2514 int filename_lookup(int dfd, struc argument
2553 __filename_parentat(int dfd,struct filename * name,unsigned int flags,struct path * parent,struct qstr * last,int * type,const struct path * root) __filename_parentat() argument
2578 filename_parentat(int dfd,struct filename * name,unsigned int flags,struct path * parent,struct qstr * last,int * type) filename_parentat() argument
2586 __kern_path_locked(int dfd,struct filename * name,struct path * path) __kern_path_locked() argument
2617 user_path_locked_at(int dfd,const char __user * name,struct path * path) user_path_locked_at() argument
2925 user_path_at_empty(int dfd,const char __user * name,unsigned flags,struct path * path,int * empty) user_path_at_empty() argument
3826 do_filp_open(int dfd,struct filename * pathname,const struct open_flags * op) do_filp_open() argument
3869 filename_create(int dfd,struct filename * name,struct path * path,unsigned int lookup_flags) filename_create() argument
3937 kern_path_create(int dfd,const char * pathname,struct path * path,unsigned int lookup_flags) kern_path_create() argument
3957 user_path_create(int dfd,const char __user * pathname,struct path * path,unsigned int lookup_flags) user_path_create() argument
4033 do_mknodat(int dfd,struct filename * name,umode_t mode,unsigned int dev) do_mknodat() argument
4084 SYSCALL_DEFINE4(mknodat,int,dfd,const char __user *,filename,umode_t,mode,unsigned int,dev) SYSCALL_DEFINE4() argument
4138 do_mkdirat(int dfd,struct filename * name,umode_t mode) do_mkdirat() argument
4167 SYSCALL_DEFINE3(mkdirat,int,dfd,const char __user *,pathname,umode_t,mode) SYSCALL_DEFINE3() argument
4232 do_rmdir(int dfd,struct filename * name) do_rmdir() argument
4371 do_unlinkat(int dfd,struct filename * name) do_unlinkat() argument
4443 SYSCALL_DEFINE3(unlinkat,int,dfd,const char __user *,pathname,int,flag) SYSCALL_DEFINE3() argument
[all...]
H A Dfhandle.c94 SYSCALL_DEFINE5(name_to_handle_at, int, dfd, const char __user *, name, in SYSCALL_DEFINE5() argument
110 err = user_path_at(dfd, name, lookup_flags, &path); in SYSCALL_DEFINE5()
/linux/io_uring/
H A 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()
H A Dstatx.c16 int dfd; member
33 sx->dfd = READ_ONCE(sqe->fd); in io_statx_prep()
62 ret = do_statx(sx->dfd, sx->filename, sx->flags, sx->mask, sx->buffer); in io_statx()
H A 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/arch/powerpc/platforms/cell/spufs/
H A 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()
119 struct coredump_params *cprm, int dfd) in spufs_arch_write_note() argument
126 sprintf(fullname, "SPU/%d/%s", dfd, spufs_coredump_read[i].name); in spufs_arch_write_note()
/linux/arch/parisc/kernel/
H A Dsys_parisc32.c28 compat_uint_t mask0, compat_uint_t mask1, compat_int_t dfd, in sys32_fanotify_mark() argument
33 dfd, pathname); in sys32_fanotify_mark()
/linux/include/linux/
H A Dsyscalls.h391 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
393 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
394 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
427 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
428 asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
434 asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
436 asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
438 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
441 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
443 asmlinkage long sys_openat2(int dfd, const char __user *filename,
[all …]
H A Dnamei.h55 static inline int user_path_at(int dfd, const char __user *name, unsigned flags, in user_path_at() argument
58 return user_path_at_empty(dfd, name, flags, path, NULL); in user_path_at()
H A Dtime.h30 extern long do_utimes(int dfd, const char __user *filename, struct timespec64 *times, int flags);
/linux/tools/testing/selftests/mount_setattr/
H A 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/Documentation/trace/
H A 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/arch/sparc/kernel/
H A Dsystbls.h65 asmlinkage long compat_sys_fstatat64(unsigned int dfd,
98 asmlinkage long compat_sys_fstatat64(unsigned int dfd,
/linux/fs/notify/fanotify/
H A Dfanotify_user.c996 static int fanotify_find_path(int dfd, const char __user *filename, in fanotify_find_path() argument
1002 pr_debug("%s: dfd=%d filename=%p flags=%x\n", __func__, in fanotify_find_path()
1003 dfd, filename, flags); in fanotify_find_path()
1006 struct fd f = fdget(dfd); in fanotify_find_path()
1030 ret = user_path_at(dfd, filename, lookup_flags, path); in fanotify_find_path()
1680 int dfd, const char __user *pathname) in fanotify_test_fid()
1697 pr_debug("%s: fanotify_fd=%d flags=%x dfd=%d pathname=%p mask=%llx\n", in fanotify_events_supported()
1698 __func__, fanotify_fd, flags, dfd, pathname, mask); in fanotify_events_supported()
1827 ret = fanotify_find_path(dfd, pathname, &path, flags, in do_fanotify_mark()
1916 __u64, mask, int, dfd, in do_fanotify_mark()
1740 do_fanotify_mark(int fanotify_fd,unsigned int flags,__u64 mask,int dfd,const char __user * pathname) do_fanotify_mark() argument
1973 SYSCALL_DEFINE5(fanotify_mark,int,fanotify_fd,unsigned int,flags,__u64,mask,int,dfd,const char __user *,pathname) SYSCALL_DEFINE5() argument
1983 SYSCALL32_DEFINE6(fanotify_mark,int,fanotify_fd,unsigned int,flags,SC_ARG64 (mask),int,dfd,const char __user *,pathname) SYSCALL32_DEFINE6() argument
[all...]
/linux/samples/vfs/
H A Dtest-statx.c42 ssize_t statx(int dfd, const char *filename, unsigned flags, in statx() argument
45 return syscall(__NR_statx, dfd, filename, flags, mask, buffer); in statx()
/linux/arch/x86/kernel/
H A Dsys_ia32.c195 COMPAT_SYSCALL_DEFINE4(ia32_fstatat64, unsigned int, dfd, in COMPAT_SYSCALL_DEFINE4() argument
202 error = vfs_fstatat(dfd, filename, &stat, flag); in COMPAT_SYSCALL_DEFINE4()

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