Current stable version net-mail/dovecot-2.3.19.1-r1 and unstable r2 throwing errors in log on every action regarding /proc/self/status ---- Dec 19 19:21:12 hostname dovecot[13603]: imap(user)<13878><1pdXYjLwndJd5Y0F>: Error: /proc/self/status is larger than expected ---- Everything seems to work but log ist flooded with similar messages... First Obverservation after recompile and change of kernel from 5.15 series to current LTS 6.1 emerge --info ============= Portage 3.0.41 (python 3.10.9-final-0, default/linux/amd64/17.1/hardened, gcc-11, glibc-2.36-r5, 6.1.0-gentoo x86_64) ================================================================= System uname: Linux-6.1.0-gentoo-x86_64-Intel-R-_Core-TM-_i3-4130_CPU_@_3.40GHz-with-glibc2.36 KiB Mem: 3993852 total, 1287960 free KiB Swap: 524284 total, 407804 free Timestamp of repository gentoo: Sun, 18 Dec 2022 23:30:01 +0000 Head commit of repository gentoo: 5bb25476e42682d3d04ed11b212f6980d036c2f0 sh bash 5.1_p16-r2 ld GNU ld (Gentoo 2.38 p4) 2.38 app-misc/pax-utils: 1.3.5::gentoo app-shells/bash: 5.1_p16-r2::gentoo dev-lang/perl: 5.36.0-r1::gentoo dev-lang/python: 3.10.9::gentoo, 3.11.1::gentoo dev-lang/rust-bin: 1.65.0::gentoo dev-util/cmake: 3.24.3::gentoo dev-util/meson: 0.63.3::gentoo sys-apps/baselayout: 2.9::gentoo sys-apps/openrc: 0.45.2-r2::gentoo sys-apps/sandbox: 2.29::gentoo sys-devel/autoconf: 2.71-r5::gentoo sys-devel/automake: 1.16.5::gentoo sys-devel/binutils: 2.38-r2::gentoo sys-devel/binutils-config: 5.4.1::gentoo sys-devel/gcc: 11.3.1_p20221209::gentoo sys-devel/gcc-config: 2.8::gentoo sys-devel/libtool: 2.4.7::gentoo sys-devel/make: 4.3::gentoo sys-kernel/linux-headers: 5.15-r3::gentoo (virtual/os-headers) sys-libs/glibc: 2.36-r5::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 sync-rsync-verify-metamanifest: yes sync-rsync-extra-opts: sync-rsync-verify-max-age: 24 sync-rsync-verify-jobs: 1 local-overlay location: /usr/local/portage masters: gentoo priority: 0 ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="@FREE" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -mtune=native" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/easy-rsa /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -pipe -mtune=native" DISTDIR="/usr/portage/distfiles" ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs buildpkg-live config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://ftp-stud.hs-esslingen.de/pub/Mirrors/gentoo/" LANG="de_DE.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" LINGUAS="de en" MAKEOPTS="-j1" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git" PORTAGE_TMPDIR="/var/tmp" SHELL="/bin/bash" USE="acl activefilter amd64 bzip2 clamav clamdtop cli crypt dane dkim dovecot-sasl dri fortran gdbm hardened iconv idn iproute2 ipv6 libglvnd libtirpc logrotate lua lz4 lzma managesieve mmx multilib ncurses nls nptl openmp pam pcre pie readline sasl seccomp sieve smime spamassassin split-usr ssl ssp test-rust unicode xattr xtpax zlib" ABI_X86="64" ADA_TARGET="gnat_2021" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="libinput" KERNEL="linux" L10N="de en" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" NGINX_MODULES_HTTP="dav dav_ext access auth_basic autoindex browser charset empty_gif fastcgi geo grpc gzip limit_conn limit_req map memcached mirror proxy referer rewrite scgi split_clients ssi upstream_hash upstream_ip_hash upstream_keepalive upstream_least_conn upstream_zone userid uwsgi" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-4 php8-0" POSTGRES_TARGETS="postgres12 postgres13" PYTHON_SINGLE_TARGET="python3_10" PYTHON_TARGETS="python3_10" RUBY_TARGETS="ruby27" USERLAND="GNU" VIDEO_CARDS="amdgpu fbdev intel nouveau radeon radeonsi vesa dummy v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EMERGE_DEFAULT_OPTS, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LEX, LFLAGS, LIBTOOL, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RANLIB, READELF, RUSTFLAGS, SIZE, STRINGS, STRIP, YACC, YFLAGS
Had a quick look but nothing jumps as a potential culprit. Do you mind reporting this upstream at dovecot mailing list?
Well, holidays allowed me digging in the live system and I discovered this could be kernel related and not a dovecot bug: 6.1.0 Output of /proc/self/status ============ Name: cat Umask: 0022 State: R (running) Tgid: 10205 Ngid: 0 Pid: 10205 PPid: 4193 TracerPid: 0 Uid: 0 0 0 0 Gid: 0 0 0 0 FDSize: 256 Groups: 0 1 2 3 4 6 10 11 26 27 NStgid: 10205 NSpid: 10205 NSpgid: 10205 NSsid: 4189 VmPeak: 6828 kB VmSize: 6828 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 912 kB VmRSS: 912 kB RssAnon: 88 kB RssFile: 824 kB RssShmem: 0 kB VmData: 340 kB VmStk: 132 kB VmExe: 20 kB VmLib: 1484 kB VmPTE: 52 kB VmSwap: 0 kB CoreDumping: 0 THP_enabled: 1 Threads: 1 SigQ: 3/15568 SigPnd: 0000000000000000 ShdPnd: 0000000000000000 SigBlk: 0000000000000000 SigIgn: 0000000000000000 SigCgt: 0000000000000000 CapInh: 0000000000000000 CapPrm: 000001ffffffffff CapEff: 000001ffffffffff CapBnd: 000001ffffffffff CapAmb: 0000000000000000 NoNewPrivs: 0 Seccomp: 0 Seccomp_filters: 0 Speculation_Store_Bypass: thread vulnerable SpeculationIndirectBranch: conditional enabled Cpus_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,0000000f Cpus_allowed_list: 0-3 voluntary_ctxt_switches: 0 nonvoluntary_ctxt_switches: 0 ===== after switching to 6.1.1 with a additional reviewed kernel config ================================================================= Name: cat Umask: 0022 State: R (running) Tgid: 4115 Ngid: 0 Pid: 4115 PPid: 4101 TracerPid: 0 Uid: 0 0 0 0 Gid: 0 0 0 0 FDSize: 256 Groups: 0 1 2 3 4 6 10 11 26 27 NStgid: 4115 NSpid: 4115 NSpgid: 4115 NSsid: 4094 VmPeak: 6832 kB VmSize: 6832 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 876 kB VmRSS: 876 kB RssAnon: 92 kB RssFile: 784 kB RssShmem: 0 kB VmData: 340 kB VmStk: 132 kB VmExe: 20 kB VmLib: 1488 kB VmPTE: 52 kB VmSwap: 0 kB CoreDumping: 0 THP_enabled: 1 Threads: 1 SigQ: 1/15569 SigPnd: 0000000000000000 ShdPnd: 0000000000000000 SigBlk: 0000000000000000 SigIgn: 0000000000000000 SigCgt: 0000000000000000 CapInh: 0000000000000000 CapPrm: 000001ffffffffff CapEff: 000001ffffffffff CapBnd: 000001ffffffffff CapAmb: 0000000000000000 NoNewPrivs: 0 Seccomp: 0 Seccomp_filters: 0 Speculation_Store_Bypass: thread vulnerable SpeculationIndirectBranch: conditional enabled Cpus_allowed: f Cpus_allowed_list: 0-3 voluntary_ctxt_switches: 0 nonvoluntary_ctxt_switches: 0 ==== To me it looks like a kernel glitch dovecot was complaining about (all those zeros) and the bug is now rather pointless... no other systems showed this behavior. If no one tells me the first output is valid and dovecot should deal with it as well, I would delete the bug... comments?
