Rspamd segfaults on ARM64

Bug #1947495 reported by Thomas Schiex
This bug affects 2 people
Affects Status Importance Assigned to Milestone
rspamd (Ubuntu)

Bug Description

This is what appears in the rsmpad log:

rspamd_crash_sig_handler: caught fatal signal 11(Segmentation fault), pid: 10140, trace:
2021-10-17 13:21:41 #10140(normal) rspamd_print_crash: 0: 0000FFFF97C5FA78: <unknown>
2021-10-17 13:21:41 #10140(normal) rspamd_print_crash: 1: 0000FFFF97C7AD04: <unknown>
2021-10-17 13:21:41 #10140(normal) rspamd_crash_sig_handler: please see Rspamd FAQ to learn how to dump core files and how to fill a bug report
-10-17 13:21:41 #10087(main) <9d8053>; main; rspamd_check_termination_clause: normal process 10140 terminated abnormally by signal: Segmentation fault and created core file; please see Rspamd FAQ to learn how to extract data from core file and fill a bug report

I installed rspamd-debugsym but the log did not improve.

This is very regular and I assume any standard rspmad install will produce it. I went to rspamd FAQ, but this becomes very involved. Will try to dig, slowly.

Revision history for this message
Thomas Schiex (thomas-schiex) wrote :

This is on Impish, on an ARM64 machine.

Revision history for this message
Thomas Schiex (thomas-schiex) wrote :

Following rspamd FAQ, I created a core folder:

mkdir /coreland
chmod 1777 /coreland

and activated core dumps using:

sysctl kernel.core_pattern=/coreland/%e-%p.core
sysctl kernel.core_uses_pid=1
sysctl fs.suid_dumpable=2

but even on segfaults, no core appears in /coreland.

Revision history for this message
Thomas Schiex (thomas-schiex) wrote :

I also installed rspamd on an amd64 machine, with the rest of the setup being identical and I don't have a single issue.

Revision history for this message
Thomas Schiex (thomas-schiex) wrote :

I recompiled version 2.7 from source on my ARM64 machine and the bug was still there.

I downloaded the orig/deb tarball for version 3.0 from rspamd repository at and recompiled from source. Things are now going well. rspamd runs fine on ARM64.

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in rspamd (Ubuntu):
status: New → Confirmed
Revision history for this message
Biztems SRL (biztems) wrote (last edit ):

Still happening on jammy on amd64 VM. Same issue with coredumps not appearning in /coreland.

Doing a remove --purge helped slightly, but it still happpens every 2-3 emails.

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