Re: segfault in ld-elf.so.1

[Alexander Leidinger]

Am 2024-02-13 01:58, schrieb Konstantin Belousov:

On Mon, Feb 12, 2024 at 11:54:02AM +0200, Konstantin Belousov wrote:

On Mon, Feb 12, 2024 at 10:35:56AM +0100, Alexander Leidinger wrote:
> Hi,
>
> dovecot (and no other program I use on this machine... at least not that I
> notice it) segfaults in ld-elf.so.1 after an update from 2024-01-18-092730
> to 2024-02-10-144617 (and now 2024-02-11-212006 in the hope the issue would
> have been fixed by changes to libc/libsys since 2024-02-10-144617). The
> issue shows up when I try to do an IMAP login. A successful authentication
> starts the imap process which immediately segfaults.
>
> I didn't recompile dovecot for the initial update, but I did now to rule
> out a regression in this area (and to get access via imap do my normal mail
> account).
>
>
> Backtrace:

but I cannot claim it from the trace.

The backtrace looks incomplete. It might be the case of infinite recursion, Does the program segfault if you run it manually? If yes, please provide

No.

me with the tarball of the binary and all required shared libs, including

base system libraries, from your machine.

Regardless of my request, you might try the following.  Note that I did
not tested the patch, ensure that you have a way to recover ld-elf.so.1
if something goes wrong.

[inline patch]



I will try the patch in the review next.

Bye,
Alexander.

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This did the trick and I have IMAP access to my emails again. As this runs in a jail, it was easy to test without fear to kill something.

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