[From nobody Sun Sep 27 11:23:05 2026 Received: (at submit) by bugs.debian.org; 26 Sep 2026 15:56:04 +0000 X-Spam-Checker-Version: SpamAssassin 4.0.1-bugs.debian.org_2005_01_02 (2024-03-25) on buxtehude.debian.org X-Spam-Level: X-Spam-Status: No, score=-16.0 required=4.0 tests=BAYES_00, BODY_INCLUDES_PACKAGE,DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FOURLA, FREEMAIL_FROM,FVGT_m_MULTI_ODD,HAS_PACKAGE,LONGWORDS, NML_ADSP_CUSTOM_MED,NO_RELAYS,XMAILER_REPORTBUG autolearn=ham autolearn_force=no version=4.0.1-bugs.debian.org_2005_01_02 X-Spam-Bayes: score:0.0000 Tokens: new, 294; hammy, 150; neutral, 443; spammy, 0. spammytokens: hammytokens:0.000-+--XDebbugsCc, 0.000-+--X-Debbugs-Cc, 0.000-+--armhf, 0.000-+--H*Ad:N*Bug, 0.000-+--HTo:N*Debian Return-path: <vindrg@gmail.com> Received: via submission by buxtehude.debian.org with esmtp (Exim 4.96) (envelope-from <vindrg@gmail.com>) id 1xAUku-001b2e-14 for submit@bugs.debian.org; Sat, 26 Sep 2026 15:56:04 +0000 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Vincas Dargis <vindrg@gmail.com> To: Debian Bug Tracking System <submit@bugs.debian.org> Subject: exim4-daemon-heavy: Exim4 crashes (SEGV) on 32bit armhf when delivering to Maildir Message-ID: <179043816068.577.11382853295302306318.reportbug@odroid-hc1> X-Mailer: reportbug 13.2.0 Date: Sat, 26 Sep 2026 18:56:00 +0300 Delivered-To: submit@bugs.debian.org Package: exim4-daemon-heavy Version: 4.100-1~bpo13+1 Severity: grave Tags: upstream Justification: renders package unusable X-Debbugs-Cc: debian-arm@lists.debian.org, vindrg@gmail.com User: debian-arm@lists.debian.org Usertags: armhf Dear Maintainer, Upgraded my Odroid-HC1 ARM device from Debian 12 -> Debian 13 and Exim stopped delivering (receiving) email with SEGV: ``` 18:09:29 7887 appendfile: mode=600 notify_comsat=0 quota=0 warning=0 18:09:29 7887 directory=/home/vmail/example.com/username/Maildir format=maildir 18:09:29 7887 message_prefix=null 18:09:29 7887 message_suffix=null 18:09:29 7887 maildir_use_size_file=no 18:09:29 7887 ensuring maildir directories exist in /home/vmail/example.com/username/Maildir 18:09:29 7887 delivering in maildir format in /home/vmail/example.com/username/Maildir 18:09:29 7887 try option 'maildir_tag' 18:09:29 7887 LOG: MAIN PANIC 18:09:29 7887 SIGSEGV (deliberate trap) 2026-09-26 18:09:29 1xASkY-000000001wE-0V64 SIGSEGV (deliberate trap) 18:09:29 7884 LOG: MAIN PANIC 18:09:29 7884 failed to read delivery status for username@example.com from delivery subprocess 18:09:29 7884 LOG: MAIN PANIC ``` Manged to get backtrace with GDB: ``` #1 0x0057d0b4 in string_vformat_trc (g=<optimized out>, g@entry=0x0, func=func@entry=0x61a23c <__FUNCTION__.2> "appendfile_transport_entry", line=line@entry=2475, size_limit=size_limit@entry=32768, flags=<optimized out>, flags@entry=3, format=<optimized out>, format@entry=0x607af8 "%lld.M%luP%d.%s", ap=..., ap@entry=...) at string.c:1778 length = <optimized out> slen = <optimized out> nptr = 0x22c8 item_start = <optimized out> s = 0x22ce <error: Cannot access memory at address 0x22ce> newformat = "%d\000\000\000\237\361\276D\360c\000|\000\000" l_align = 0 '\000' null = <optimized out> gp = 0x2184901 "" L_NORMAL = L_NORMAL L_SHORT = L_SHORT L_LONG = L_LONG L_LONGLONG = L_LONGLONG L_LONGDOUBLE = L_LONGDOUBLE L_SIZE = L_SIZE taint_checked = 1 '\001' width = -1 precision = -1 initial_off = <optimized out> lim = 127 need = <optimized out> fp = 0x607b07 "" __FUNCTION__ = "string_vformat_trc" #2 0x0057d826 in string_sprintf_trc (format=format@entry=0x607af8 "%lld.M%luP%d.%s", func=func@entry=0x61a23c <__FUNCTION__.2> "appendfile_transport_entry", line=<optimized out>) at string.c:747 g = 0x0 flags = 3 ap = { __ap = 0xbef19ffc } __FUNCTION__ = "string_sprintf_trc" #3 0x0059fc0a in appendfile_transport_entry (tblock=0x212d754, addr=0x217fbcc) at appendfile.c:2475 basename = <optimized out> i = 1 check_path = <optimized out> re = <optimized out> ob = 0x212d7f4 trname = 0x213eeb8 "dovecot_transport" statbuf = { st_dev = 44826983, st_ino = 4295000484, st_mode = 0, st_nlink = 0, st_uid = 0, st_gid = 0, st_rdev = 67084, st_size = 4096, st_blksize = 136, st_blocks = 1790424337, st_atim = { tv_sec = -5298298788879578396, tv_nsec = 0 }, st_mtim = { tv_sec = -5298298791948976128, tv_nsec = -1225641240 }, st_ctim = { tv_sec = -5387405881438633984, tv_nsec = 35001544 } } fdname = <optimized out> deliver_dir = <optimized out> filename = <optimized out> hitchname = 0x0 dataname = <optimized out> lockname = 0x0 newname = <optimized out> nametag = 0x0 cr = 0x60f484 "" filecount_msg = 0x60f484 "" path = <optimized out> times = { actime = -5264410814043121969, modtime = 2053 } msg_tv = { tv_sec = 1790435780, tv_usec = 915461 } disable_quota = <optimized out> isdirectory = <optimized out> isfifo = 0 '\000' wait_for_tick = 0 '\000' uid = 993 gid = 993 mbformat = 3 mode = <optimized out> saved_size = -1 mailbox_size = <optimized out> mailbox_filecount = -1 hd = -1 fd = <optimized out> yield = 2 i = <optimized out> save_fd = 0 mbx_lockfd = -1 mbx_lockname = "\004\000\000\000\004\000\000\000T\327\022\002", '\000' <repeats 16 times>, "\341\003\000\000\006\000\000\000\020\000\000" temp_file = 0x0 maildirsize_fd = <optimized out> maildir_save_errno = <optimized out> __FUNCTION__ = "appendfile_transport_entry" #4 0x00527b64 in deliver_local (addr=addr@entry=0x217fbcc, shadowing=shadowing@entry=0 '\000') at deliver.c:2412 ti = 0x212d63c ok = <optimized out> replicate = 1 '\001' rl = { rlim_cur = 0, rlim_max = 0 } use_initgroups = 0 '\000' uid = 993 gid = 993 status = 35144964 len = <optimized out> rc = <optimized out> pfd = {8, 9} pid = <optimized out> working_directory = 0x5d53bc "/" addr2 = <optimized out> tp = <optimized out> trname = 0x213eeb8 "dovecot_transport" __FUNCTION__ = "deliver_local" #5 0x005280e4 in do_local_deliveries () at deliver.c:3049 deliver_time = { tv_sec = 455301678012, tv_usec = 28132658559057920 } addr3 = 0x217fbcc logflags = 1 logchar = <optimized out> tpt_dummy = 0x0 nextaddr = <optimized out> delivery_start = { tv_sec = 1790435780, tv_usec = 816966 } addr2 = <optimized out> tp = 0x212d754 serialize_key = 0x0 trname = <optimized out> addr = <optimized out> dbblock = { dbptr = 0x41, lockfd = 6544944, readonly = 0 '\000' } dbm_file = <optimized out> now = <optimized out> __FUNCTION__ = "do_local_deliveries" #6 0x0052a9c8 in deliver_message (id=<optimized out>, forced=forced@entry=1 '\001', give_up=give_up@entry=0 '\000') at deliver.c:8446 i = <optimized out> rc = <optimized out> final_yield = 0 process_recipients = <optimized out> now = <optimized out> addr_last = <optimized out> filter_message = 0x0 info = <optimized out> dbblock = { dbptr = 0x2133ca8, lockfd = -1, readonly = 0 '\000' } dbm_file = <optimized out> has_privs = <optimized out> reset_point = <optimized out> __FUNCTION__ = "deliver_message" #7 0x0050c40a in main (argc=<optimized out>, cargv=<optimized out>) at exim.c:5151 status = 15523 pid = <optimized out> argv = <optimized out> arg_receive_timeout = -1 arg_smtp_receive_timeout = -1 arg_error_handling = 0 filter_sfd = -1 filter_ufd = -1 group_count = <optimized out> i = 3 rv = <optimized out> list_queue_option = <optimized out> msg_action = <optimized out> msg_action_arg = <optimized out> namelen = <optimized out> queue_only_reason = 0 rcpt_dsn_flags = <optimized out> recipients_arg = <optimized out> sender_address_domain = 0 test_retry_arg = <optimized out> test_rewrite_arg = <optimized out> perl_start_option = <optimized out> original_egid = <optimized out> admin_only_arg = <optimized out> arg_queue_only = <optimized out> bi_option = <optimized out> checking = <optimized out> count_queue = <optimized out> extract_recipients = <optimized out> flag_G = <optimized out> flag_n = <optimized out> forced_delivery = 1 '\001' f_end_dot = <optimized out> deliver_give_up = <optimized out> list_queue = <optimized out> list_options = <optimized out> list_config = <optimized out> local_queue_only = <optimized out> one_msg_action = <optimized out> opt_D_used = <optimized out> queue_only_set = <optimized out> receiving_message = <optimized out> sender_ident_set = <optimized out> session_local_queue_only = <optimized out> unprivileged = <optimized out> removed_privilege = 0 '\000' usage_wanted = <optimized out> verify_address_mode = <optimized out> verify_as_sender = <optimized out> rcpt_verify_quota = <optimized out> version_printed = <optimized out> alias_arg = <optimized out> called_as = <optimized out> cmdline_syslog_name = <optimized out> start_queue_run_id = <optimized out> stop_queue_run_id = <optimized out> expansion_test_message = <optimized out> ftest_domain = <optimized out> ftest_localpart = <optimized out> ftest_prefix = <optimized out> ftest_suffix = <optimized out> malware_test_file = <optimized out> real_sender_address = <optimized out> log_oneline = <optimized out> originator_home = 0x5d53bc "/" sz = <optimized out> pw = 0x6807cc <pwcache> statbuf = { st_dev = 21, st_ino = 5, st_mode = 8576, st_nlink = 1, st_uid = 0, st_gid = 5, st_rdev = 34818, st_size = 0, st_blksize = 1024, st_blocks = 0, st_atim = { tv_sec = 1790435699, tv_nsec = 0 }, st_mtim = { tv_sec = 1790435699, tv_nsec = 0 }, st_ctim = { tv_sec = 1790433725, tv_nsec = 319048639 } } passed_qr_pid = <optimized out> passed_qr_pipe = <optimized out> group_list = <error reading variable group_list (value requires 262144 bytes, which is more than max-value-size)> info_flag = <optimized out> info_stdout = <optimized out> rsopts = {0x5e8a60 "f", 0x60c208 "ff", 0x6077ac "r", 0x5ddaa8 "rf", 0x5ddaac "rff"} __FUNCTION__ = "main" r0 0x22ce 8910 r1 0x22c8 8904 r2 0x22ce 8910 r3 0xbef1a014 3203506196 r4 0x6 6 r5 0x607b06 6322950 r6 0x0 0 r7 0xffffffff 4294967295 r8 0xffffffff 4294967295 r9 0x2184901 35145985 r10 0x21848bc 35145916 r11 0x73 115 r12 0xffffffff 4294967295 sp 0xbef19f08 0xbef19f08 lr 0x57d0b5 5755061 pc 0xb67e39ee 0xb67e39ee <__GI_strlen+174> cpsr 0x20070030 537329712 fpscr 0x80000010 -2147483632 => 0xb67e39ee <__GI_strlen+174>: ldrd r2, r3, [r1] ``` Looks like issue is that format "%lld.M%luP%d.%s" expects 32bit integer on 32bit armhf while msg_tv.tv_usec is 64bit. -- Package-specific info: Exim version 4.100 #2 built 29-Aug-2026 09:06:40 Copyright (c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2026 Copyright (c) University of Cambridge, 1995 - 2018 Hints DB: Using sqlite3 Support for: Content_Scanning Local_Scan Exim_filter Sieve_filter crypteq Expand_dlfunc iconv() IPv6 PAM Perl GnuTLS move_frozen_messages TLS_resume DANE DKIM DNSSEC ESMTP_Limits ESMTP_Wellknown Event I18N OCSP PIPECONNECT PRDR PROXY Queue_Ramp SOCKS SPF SRS TCP_Fast_Open Lookups (built-in): cdb dbm dbmnz dbmjz dnsdb dsearch ldap ldapdn ldapm ldapauth iplsearch lsearch nwildlsearch wildlsearch mysql passwd pgsql psl regdom sqlite spf readsock Authenticators (built-in): cram_md5 cyrus_sasl dovecot external plaintext spa tls Routers (built-in): accept dnslookup ipliteral iplookup manualroute redirect queryprogram Transports (built-in): appendfile/maildir/mailstore/mbx autoreply lmtp pipe smtp Malware: clamd avast sock cmdline Fixed never_users: 0 Configure owner: 0:0 Size of off_t:8 ptr:4 long:4 int:4 Configuration file search path is /etc/exim4/exim4.conf:/var/lib/exim4/config.autogenerated Configuration file is /var/lib/exim4/config.autogenerated -- System Information: Debian Release: 13.7 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable-security-debug'), (500, 'stable-security'), (500, 'stable-debug'), (500, 'proposed-updates-debug'), (500, 'stable') Architecture: armhf (armv7l) Kernel: Linux 6.12.107+deb13-armmp-lpae (SMP w/8 CPU threads) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages exim4-daemon-heavy depends on: ii debconf [debconf-2.0] 1.5.91 ii exim4-base 4.100-1~bpo13+1 ii libc6 2.41-12+deb13u4 ii libcrypt1 1:4.4.38-1 ii libgnutls-dane0t64 3.8.9-3+deb13u4 ii libgnutls30t64 3.8.9-3+deb13u4 ii libidn12 1.43-1 ii libidn2-0 2.3.8-2 ii libldap2 2.6.10+dfsg-1 ii libmariadb3 1:11.8.6-0+deb13u1 ii libpam0g 1.7.0-5 ii libpcre2-8-0 10.46-1~deb13u2 ii libperl5.40 5.40.1-6+deb13u1 ii libpq5 17.11-0+deb13u1 ii libsasl2-2 2.1.28+dfsg1-9 ii libspf2-2t64 1.2.10-8.3 ii libsqlite3-0 3.46.1-7+deb13u2 exim4-daemon-heavy recommends no packages. exim4-daemon-heavy suggests no packages. -- debconf information excluded ]