| /linux/fs/ |
| H A D | fcntl.c | 840 struct fown_struct *fown, int sig) in sigio_perm() argument
847 ret = ((uid_eq(fown->euid, GLOBAL_ROOT_UID) || in sigio_perm()
848 uid_eq(fown->euid, cred->suid) || uid_eq(fown->euid, cred->uid) || in sigio_perm()
849 uid_eq(fown->uid, cred->suid) || uid_eq(fown->uid, cred->uid)) && in sigio_perm()
850 !security_file_send_sigiotask(p, fown, sig)); in sigio_perm()
856 struct fown_struct *fown, in send_sigio_to_task() argument
863 int signum = READ_ONCE(fown->signum); in send_sigio_to_task()
865 if (!sigio_perm(p, fown, signum)) in send_sigio_to_task()
911 void send_sigio(struct fown_struct *fown, int fd, int band) in send_sigio() argument
918 read_lock_irqsave(&fown->lock, flags); in send_sigio()
[all …]
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| /linux/tools/testing/selftests/landlock/ |
| H A D | scoped_signal_test.c | 404 FIXTURE(fown) {}; in TEST_F()
414 FIXTURE_VARIANT(fown) in TEST_F()
420 FIXTURE_VARIANT_ADD(fown, no_sandbox) { in TEST_F()
426 FIXTURE_VARIANT_ADD(fown, sandbox_before_fork) { in TEST_F()
432 FIXTURE_VARIANT_ADD(fown, sandbox_before_setown) { in TEST_F()
438 FIXTURE_VARIANT_ADD(fown, sandbox_after_setown) { in TEST_F()
443 FIXTURE_SETUP(fown) in TEST_F()
448 FIXTURE_TEARDOWN(fown) in TEST_F()
456 TEST_F(fown, sigurg_socket) in TEST_F()
326 FIXTURE(fown) FIXTURE() argument
336 FIXTURE_VARIANT(fown) FIXTURE_VARIANT() argument
342 FIXTURE_VARIANT_ADD(fown,no_sandbox) FIXTURE_VARIANT_ADD() argument
348 FIXTURE_VARIANT_ADD(fown,sandbox_before_fork) FIXTURE_VARIANT_ADD() argument
354 FIXTURE_VARIANT_ADD(fown,sandbox_before_setown) FIXTURE_VARIANT_ADD() argument
360 FIXTURE_VARIANT_ADD(fown,sandbox_after_setown) FIXTURE_VARIANT_ADD() argument
365 FIXTURE_SETUP(fown) FIXTURE_SETUP() argument
370 FIXTURE_TEARDOWN(fown) FIXTURE_TEARDOWN() argument
378 TEST_F(fown,sigurg_socket) TEST_F() argument
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| /linux/security/landlock/ |
| H A D | task.c | 391 struct fown_struct *fown, int signum) in hook_file_send_sigiotask() argument
397 lockdep_assert_held(&fown->lock); in hook_file_send_sigiotask()
398 subject = &landlock_file(fown->file)->fown_subject; in hook_file_send_sigiotask()
427 .layer_plus_one = landlock_file(fown->file)->fown_layer + 1, in hook_file_send_sigiotask()
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| H A D | fs.c | 1767 static bool control_current_fowner(struct fown_struct *const fown) in control_current_fowner() argument
1775 lockdep_assert_held(&fown->lock); in control_current_fowner()
1782 p = pid_task(fown->pid, fown->pid_type); in control_current_fowner()
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| /linux/fs/notify/dnotify/ |
| H A D | dnotify.c | 96 struct fown_struct *fown; in dnotify_handle_event() local
112 fown = file_f_owner(dn->dn_filp); in dnotify_handle_event()
113 send_sigio(fown, dn->dn_fd, POLL_MSG); in dnotify_handle_event()
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| /linux/include/linux/ |
| H A D | lsm_hook_defs.h | 208 struct fown_struct *fown, int sig)
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| H A D | fs.h | 1348 extern void send_sigio(struct fown_struct *fown, int fd, int band);
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| /linux/security/ |
| H A D | security.c | 2590 * @fown: signal sender
2593 * Check permission for the file owner @fown to send SIGIO or SIGURG to the
2595 * that the fown_struct, @fown, is never outside the context of a struct file,
2597 * obtained: container_of(fown, struct file, f_owner).
2602 struct fown_struct *fown, int sig) in security_file_send_sigiotask() argument
2604 return call_int_hook(file_send_sigiotask, tsk, fown, sig); in security_file_send_sigiotask()
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| /linux/security/smack/ |
| H A D | smack_lsm.c | 1968 struct fown_struct *fown, int signum) in smack_file_send_sigiotask() argument
1981 file = fown->file; in smack_file_send_sigiotask()
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| /linux/security/selinux/ |
| H A D | hooks.c | 4116 struct fown_struct *fown, int signum) in selinux_file_send_sigiotask() argument
4124 file = fown->file; in selinux_file_send_sigiotask()
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