GNU logs - #55973, boring messages

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Subject: bug#55973: 28.1; GNUS nnimap hangs with high UID
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Hi,

when opening IMAP folder with high (very) UID, gnus hangs on
gnu-uncompress-range.

I have an INBOX folder with very high UIDNEXT (2206239514). Even though
the actual number of email in the folder is low (33 EXISTS),
gnus-uncompress-range try to /uncompress/ 2 billions numbers, which make
it hangs forever.

---
Baptiste.

---- Technical details ----

*imap commands*

796 EXAMINE "INBOX"
* FLAGS (\Answered \Flagged \Deleted \Seen \Draft NonJunk $Filtered LoadRem=
oteImages $Junk $Classified $Forwarded $NotJunk gnus-expire)
* OK [PERMANENTFLAGS ()] Read-only mailbox.
* 33 EXISTS
* 0 RECENT
* OK [UIDVALIDITY 1370959925] UIDs valid
* OK [UIDNEXT 2206239514] Predicted next UID
* OK [HIGHESTMODSEQ 7659] Highest

*Backtrace*

=E2=9F=B6 nnimap-get-response

SELECT
(("OK" ("READ-WRITE") "Select" "completed" ("0.000" "+" "0.000" "secs") "."=
) ("OK" ("CLOSED") "Previous" "mailbox" "closed.") ("FLAGS" ("\\Answered" "=
\\Flagged" "\\Deleted" "\\Seen" "\\Draft" "NonJunk" "$Filtered" "LoadRemote=
Images" "$Junk" "$Classified" "$Forwarded" "$NotJunk" "gnus-expire")) ("OK"=
 ("PERMANENTFLAGS" "(\\Answered" "\\Flagged" "\\Deleted" "\\Seen" "\\Draft"=
 "NonJunk" "$Filtered" "LoadRemoteImages" "$Junk" "$Classified" "$Forwarded=
" "$NotJunk" "gnus-expire" "\\*)") "Flags" "permitted.") ("33" "EXISTS") ("=
0" "RECENT") ("OK" ("UIDVALIDITY" "1370959925") "UIDs" "valid") ("OK" ("UID=
NEXT" "2206239514") "Predicted" "next" "UID") ("OK" ("HIGHESTMODSEQ" "7659"=
) "Highest"))


=E2=9F=B6 gnus-uncompress-range

gnus-uncompress-range((1 . 2206239513))

---- Versions ----

In GNU Emacs 28.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.33, cair=
o version 1.17.6)
 of 2022-04-28 built on frederik
Windowing system distributor 'The X.Org Foundation', version 11.0.12101003
System Description: Arch Linux

Configured using:
 'configure --sysconfdir=3D/etc --prefix=3D/usr --libexecdir=3D/usr/lib
 --localstatedir=3D/var --with-cairo --with-harfbuzz --with-libsystemd
 --with-modules --with-x-toolkit=3Dgtk3 'CFLAGS=3D-march=3Dx86-64
 -mtune=3Dgeneric -O2 -pipe -fno-plt -fexceptions -Wp,-D_FORTIFY_SOURCE=3D2
 -Wformat -Werror=3Dformat-security -fstack-clash-protection
 -fcf-protection -g -ffile-prefix-map=3D/build/emacs/src=3D/usr/src/debug
 -flto=3Dauto' 'LDFLAGS=3D-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now
 -flto=3Dauto''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY
PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE
XIM XPM GTK3 ZLIB

Important settings:
  value of $LANG: fr_FR.UTF-8
  locale-coding-system: utf-8-unix

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: bateast@HIDDEN
Subject: bug#55973: Acknowledgement (28.1; GNUS nnimap hangs with high UID)
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Date: Tue, 14 Jun 2022 15:14:01 +0000

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55973: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D55973
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Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#55973: 28.1; GNUS nnimap hangs with high UID
Resent-From: Lars Ingebrigtsen <larsi@HIDDEN>
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From: Lars Ingebrigtsen <larsi@HIDDEN>
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Date: Wed, 15 Jun 2022 14:26:39 +0200
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bateast@HIDDEN writes:

> when opening IMAP folder with high (very) UID, gnus hangs on
> gnu-uncompress-range.
>
> I have an INBOX folder with very high UIDNEXT (2206239514). Even though
> the actual number of email in the folder is low (33 EXISTS),
> gnus-uncompress-range try to /uncompress/ 2 billions numbers, which make
> it hangs forever.

Yes, it's a known problem, so I've merged this with bug#51887, which is
also about this.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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