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authorLinus Torvalds <torvalds@linux-foundation.org>2021-02-07 10:16:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-07 10:16:24 -0800
commitc6792d44d8f08451047051351dfdcc8332a028e3 (patch)
tree6a8456c6eb5b312e64131c1943bd552aed35d967 /Documentation
parent6fed85df5d097298d265dfcc31cf1e0c1633f41e (diff)
parent36a6c843fd0d8e02506681577e96dabd203dd8e8 (diff)
Merge tag 'core_urgent_for_v5.11_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull syscall entry fixes from Borislav Petkov: - For syscall user dispatch, separate prctl operation from syscall redirection range specification before the API has been made official in 5.11. - Ensure tasks using the generic syscall code do trap after returning from a syscall when single-stepping is requested. * tag 'core_urgent_for_v5.11_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: entry: Use different define for selector variable in SUD entry: Ensure trap after single-step on system call return
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/syscall-user-dispatch.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/admin-guide/syscall-user-dispatch.rst b/Documentation/admin-guide/syscall-user-dispatch.rst
index a380d6515774..60314953c728 100644
--- a/Documentation/admin-guide/syscall-user-dispatch.rst
+++ b/Documentation/admin-guide/syscall-user-dispatch.rst
@@ -70,8 +70,8 @@ trampoline code on the vDSO, that trampoline is never intercepted.
[selector] is a pointer to a char-sized region in the process memory
region, that provides a quick way to enable disable syscall redirection
thread-wide, without the need to invoke the kernel directly. selector
-can be set to PR_SYS_DISPATCH_ON or PR_SYS_DISPATCH_OFF. Any other
-value should terminate the program with a SIGSYS.
+can be set to SYSCALL_DISPATCH_FILTER_ALLOW or SYSCALL_DISPATCH_FILTER_BLOCK.
+Any other value should terminate the program with a SIGSYS.
Security Notes
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