git: 40769168a5ee - main - pipespace_new(): decrease uidinfo pipebuf usage if reservation check failed

[Konstantin Belousov]

The branch main has been updated by kib:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=40769168a5ee227b96ea91768555eef332a0dc26

commit 40769168a5ee227b96ea91768555eef332a0dc26
Author:     Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2024-09-20 12:58:59 +0000
Commit:     Konstantin Belousov <k...@freebsd.org>
CommitDate: 2024-09-20 14:03:45 +0000

    pipespace_new(): decrease uidinfo pipebuf usage if reservation check failed
    
    Submitted by:   markj
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
---
 sys/kern/sys_pipe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c
index ab045c718e75..2b81d08f7077 100644
--- a/sys/kern/sys_pipe.c
+++ b/sys/kern/sys_pipe.c
@@ -595,6 +595,7 @@ retry:
        if (priv_check(curthread, PRIV_PIPEBUF) != 0 && maxpipekva / 100 *
            (100 - pipebuf_reserv) < amountpipekva + size) {
                vm_map_unlock(pipe_map);
+               chgpipecnt(cpipe->pipe_pair->pp_owner->cr_ruidinfo, -size, 0);
                if (cpipe->pipe_buffer.buffer == NULL &&
                    size > SMALL_PIPE_SIZE) {
                        size = SMALL_PIPE_SIZE;