Assert failure in 2.2.20: imap-fetch.c:554 (ctx->client->output_cmd_lock || ctx->client->output_cmd_lock == cmd)

[Timo Sirainen]

On 15 Dec 2015, at 17:52, Peter Eriksson <peter at ifm.liu.se> wrote:
> 
> Just got another core-dump from Dovecot's imap process on our mail server.
> 
> Dec 14 10:58:12 mail dovecot: [ID 583609 mail.crit] imap(oling): Panic: file imap-fetch.c: line 554: assertion failed: (ctx->client->output_cmd_lock == NULL || ctx->client->output_cmd_lock == cmd)

I think this is an old bug, and I've never been able to reproduce it. But looking at the code, this should fix it:

https://github.com/dovecot/core/commit/15307c2c91854e766bd9fb095d611a29b3f7572e