This bug was fixed in the package dovecot - 1:2.3.7.2-1ubuntu3.5
---
dovecot (1:2.3.7.2-1ubuntu3.5) focal; urgency=medium
* d/p/handle-unbounded-mime.patch: Fix crash during deinit when
searching mails with non-ending MIME boundaries.
(LP: #1912118)
-- Bryce Harrington
Sure, thanks & done!
** Tags removed: verification-needed verification-needed-focal
** Tags added: verification-done verification-done-focal
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https://bugs.launchpad.net/bugs/1912118
Hello Bryce,
sorry for the long wait. I've installed dovecot-core with your new build and
can confirm: the bug is fixed :).
Thank you very much for your help.
Unfortunately I can not find the option do add "verification-done-
focal". Can you perform this operation?
Regards
Timo
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You
Dave and Timo - can you please install dovecot from focal-proposed (as
described above) and verify that the package update solves the search
issue you encountered?
Thanks ahead of time!
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Hello Dave, or anyone else affected,
Accepted dovecot into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/dovecot/1:2.3.7.2-1ubuntu3.5 in a
few hours, and then in the -proposed repository.
Please help us by testing this new package. See
** Merge proposal linked:
https://code.launchpad.net/~bryce/ubuntu/+source/dovecot/+git/dovecot/+merge/408909
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https://bugs.launchpad.net/bugs/1912118
Title:
assertion failure in
** Changed in: dovecot (Ubuntu Focal)
Status: Incomplete => In Progress
** Description changed:
[Impact]
Searching emails triggers a assertion failure if malformed emails are
present in the mail box.
[Test Case]
- * TBD
+ With an INBOX containing a malformed email, perform a
Hi Dave,
Thanks for confirming the fix. We've had a second confirmation of the
issue and fix by Timo, so although I've not been able to reproduce this
myself, I'll proceed with rolling the fix out. I'll need to ask help
from you and Timo to perform the validation when the SRU team requests
it.
Hi Bryce,
I've installed the PPA on a cloned image of the server in question, and
can confirm that it fixes the problem.
There is nothing non-stock in my environment.
Thank you so much for working on this! It's greatly appreciated.
Best regards
Dave
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Hi Dave, thanks for getting back quickly. Yes there's a couple things
that might help this move forward.
Before that, this is what I see on my end:
root@dovecot-sru-lp1912118-focal:/home/ubuntu# apt-cache policy dovecot-core
dovecot-core:
Installed: 1:2.3.7.2-1ubuntu3
Candidate:
Here's what I'm getting:
doveadm search mailbox inbox body blah
doveadm(dave): Panic: file message-parser.c: line 174 (message_part_finish):
assertion failed: (ctx->nested_parts_count > 0)
doveadm(dave): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xf0b2b)
[0x7f2f562cfb2b] ->
Hi Dave,
Ubuntu focal is up to version 1:2.3.7.2-1ubuntu3.3 now, which includes
fixes for malformed MIME patches, however does not yet have the fix from
deb #970386. However, I'm also not able to reproduce the reported issue
when downgrading to 1:2.3.7.2-1ubuntu3:
dovecot-core:
Installed:
I've packaged this fix in PPA here:
https://launchpad.net/~bryce/+archive/ubuntu/dovecot-sru-lp1912118
However, I'm not clear exactly how to reproduce the crash using the
emails. I've downloaded them and stuck them in a user INBOX, but the
debian bug report doesn't list the exact commands
** Description changed:
- I'm experiencing identical behaviour to Debian bug #970386
- (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=970386) ... Can we
- please have this fix applied to dovecot-core 1:2.3.7.2-1ubuntu3?
- Searching is fairly broken atm.
+ [Impact]
+
+ Searching emails
The code for dovecot 2.2.33.2 currently in bionic appears to be
significantly different from what's in focal. The code that this patch
fixes doesn't seem to exist in the bionic codebase, at least not in the
same form. Still worth checking, but it'll have to be done using a test
case.
** Changed
Verified code changes are already present in hirsute's dovecot-gu.
Should probably also check if affects bionic. There are sample emails in the
debian bug report https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=970386, at
comment #34.
** Changed in: dovecot (Ubuntu)
Status: Triaged =>
** Changed in: dovecot (Debian)
Status: Unknown => Fix Released
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Title:
assertion failure in message_part_finish when searching large
** Also affects: dovecot (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: dovecot (Ubuntu Focal)
Status: New => Triaged
** Changed in: dovecot (Ubuntu Focal)
Importance: Undecided => High
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Thank you for taking the time to report this bug and helping to make
Ubuntu better.
This is the upstream patch:
https://github.com/dovecot/core/commit/a668d767a710ca18ab6e7177d8e8be22a6b024fb
** Changed in: dovecot (Ubuntu)
Importance: Undecided => High
** Tags added: server-next
** Bug
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