Hi!

Is this issue fixed? If not, will it be fixed in -stable?

I’m asking because the last OpenBSD machine I need to upgrade to 7.7 makes 
heavy use of mod_proxy_fcgi in the form of `SetHandler "proxy:unix:…"` to call 
PHP-FPM. Not sure if that would be affected as it does not involve 
mod_proxy_http?

I don’t understand apr or mod_proxy code enough to draw an informed conclusion.

The current version apr-1.7.5p0 seems to be from December. And 
apache-httpd-2.4.63 was released in February (according to 
https://cvsweb.openbsd.org). So it seems nothing has changed yet — unless the 
root cause is somewhere else?

FWIW on two other 7.7-stable machines (amd64 and arm64), which use mod_proxy 
and mod_proxy_http for reverse proxies, the issue is indeed seen in the logs.


Thanks!
Mike

> Am 30.04.2025 um 13:26 schrieb Stuart Henderson <stu.li...@spacehopper.org>:
> 
> On 2025-04-30, Alexander HOTZ <alexander.h...@luxmetering.lu> wrote:
>> Hi misc@,
> 
> moving to ports@ and CC'ing maintainer
> 
>> apache-httpd is broken under 7.7-stable in conjunction with apr-1.7.5.
>> 
>> The following messages are logged in the Apache error log when trying
>> to access a ProxyPass target:
>> 
>> [proxy:error] [pid 93733] (22)Invalid argument: AH00957: http: attempt 
>> to connect to $IP:8080 ($FQDN:8080) failed
>> [proxy_http:error] [pid 93733] [client $IP:42558] AH01114: HTTP: failed 
>> to make connection to backend: $FQDN
>> 
>> Accessing the same resource via curl works just fine.
>> 
>> Could be related to https://bz.apache.org/bugzilla/show_bug.cgi?id=69410
>> for which FreeBSD implemented a patch.
>> 
>> Downgrading to apr-1.7.2 fixes the issue.
>> The issue does not exist when using apr-1.7.5 under 7.6-stable.
> 
> That ("issue does not exist when using apr-1.7.5 under 7.6-stable")
> is strange...
> 
> Are you able to test whether this fixes the issue?
> 
> Index: patches/patch-poll_unix_poll_c
> ===================================================================
> RCS file: patches/patch-poll_unix_poll_c
> diff -N patches/patch-poll_unix_poll_c
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ patches/patch-poll_unix_poll_c 30 Apr 2025 11:25:37 -0000
> @@ -0,0 +1,42 @@
> +https://bz.apache.org/bugzilla/show_bug.cgi?id=69410
> +https://bz.apache.org/bugzilla/attachment.cgi?id=39941&action=diff&collapsed=&headers=1&format=raw
> +
> +Index: poll/unix/poll.c
> +--- poll/unix/poll.c.orig
> ++++ poll/unix/poll.c
> +@@ -113,7 +113,10 @@ APR_DECLARE(apr_status_t) apr_poll(apr_pollfd_t *aprse
> +     }
> +     num_to_poll = i;
> + 
> +-    if (timeout > 0) {
> ++    if (timeout < 0) {
> ++        timeout = -1;
> ++    }
> ++    else if (timeout > 0) {
> +         /* convert microseconds to milliseconds (round up) */
> +         timeout = (timeout + 999) / 1000;
> +     }
> +@@ -255,7 +258,10 @@ static apr_status_t impl_pollset_poll(apr_pollset_t *p
> +     }
> + #endif
> + 
> +-    if (timeout > 0) {
> ++    if (timeout < 0) {
> ++        timeout = -1;
> ++    }
> ++    else if (timeout > 0) {
> +         timeout = (timeout + 999) / 1000;
> +     }
> + 
> +@@ -411,7 +417,10 @@ static apr_status_t impl_pollcb_poll(apr_pollcb_t *pol
> +     }
> + #endif
> + 
> +-    if (timeout > 0) {
> ++    if (timeout < 0) {
> ++        timeout = -1;
> ++    }
> ++    else if (timeout > 0) {
> +         timeout = (timeout + 999) / 1000;
> +     }
> + 
> Index: patches/patch-support_unix_waitio_c
> ===================================================================
> RCS file: patches/patch-support_unix_waitio_c
> diff -N patches/patch-support_unix_waitio_c
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ patches/patch-support_unix_waitio_c 30 Apr 2025 11:25:37 -0000
> @@ -0,0 +1,18 @@
> +https://bz.apache.org/bugzilla/show_bug.cgi?id=69410
> +https://bz.apache.org/bugzilla/attachment.cgi?id=39941&action=diff&collapsed=&headers=1&format=raw
> +
> +Index: support/unix/waitio.c
> +--- support/unix/waitio.c.orig
> ++++ support/unix/waitio.c
> +@@ -46,7 +46,10 @@ apr_status_t apr_wait_for_io_or_timeout(apr_file_t *f,
> +     pfd.fd     = f        ? f->filedes        : s->socketdes;
> +     pfd.events = for_read ? POLLIN            : POLLOUT;
> + 
> +-    if (timeout > 0) {
> ++    if (timeout < 0) {
> ++        timeout = -1;
> ++    }
> ++    else if (timeout > 0) {
> +         timeout = (timeout + 999) / 1000;
> +     }
> +     do {



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