Hi,

On Wed, Oct 29, 2025 at 06:00:50PM +0900, hoodit dev wrote:

Hi, Alejandro Colomar and Carlos

Just a friendly ping to check if you had a chance to review this patch.

I don't know enough of clone(2) to review this.  I'll wait for Carlos's
review.


Have a lovely day!
Alex

Thanks

2025년 5월 2일 (금) 오전 6:30, Alejandro Colomar [off-list ref]님이 작성:

quoted

Hi Carlos,

On Mon, Apr 21, 2025 at 04:16:03AM +0900, devhoodit wrote:

quoted

CLONE_NEWPID and CLONE_PARENT can be used together, but not CLONE_THREAD.  Similarly, CLONE_NEWUSER and CLONE_PARENT can be used together, but not CLONE_THREAD.
This was discussed here: <https://lore.kernel.org/linux-man/06febfb3-e2e2-4363-bc34-83a07692144f@redhat.com/T/ (local)>
Relevant code: <https://github.com/torvalds/linux/blob/219d54332a09e8d8741c1e1982f5eae56099de85/kernel/fork.c#L1815>

Cc: Carlos O'Donell <redacted>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: devhoodit <redacted>

Could you please review this patch?


Have a lovely night!
Alex

quoted

---
 man/man2/clone.2 | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/man/man2/clone.2 b/man/man2/clone.2
index 1b74e4c92..b9561125a 100644
--- a/man/man2/clone.2
+++ b/man/man2/clone.2

@@ -776,9 +776,7 @@ .SS The flags mask
 no privileges are needed to create a user namespace.
 .IP
 This flag can't be specified in conjunction with
-.B CLONE_THREAD
-or
-.BR CLONE_PARENT .
+.BR CLONE_THREAD .
 For security reasons,
 .\" commit e66eded8309ebf679d3d3c1f5820d1f2ca332c71
 .\" https://lwn.net/Articles/543273/

@@ -1319,11 +1317,10 @@ .SH ERRORS
 mask.
 .TP
 .B EINVAL
+Both
 .B CLONE_NEWPID
-and one (or both) of
+and
 .B CLONE_THREAD
-or
-.B CLONE_PARENT
 were specified in the
 .I flags
 mask.
--

2.49.0

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