Bug#788349: mpv: Segmentation fault after upgrade (libnettle6 installation)

[Alessandro Ghedini]

Control: reassign -1 libnettle4
Control: forcemerge 787620 -1

On Wed, Jun 10, 2015 at 03:31:13PM +0200, nfb wrote:
> Package: mpv
> Version: 0.9.2-1
> Severity: important
> 
> Hi,
> after today's upgrade which installed libnettle6 as dependency, i get
> segmentation fault running mpv.
> Here is the gdb output:
> 
> 
> $ gdb mpv
> (gdb) run
> Starting program: /usr/bin/mpv 
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library
> "/lib/arm-linux-gnueabihf/libthread_db.so.1".
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0xb468e580 in nettle_yarrow256_update () from
> /usr/lib/arm-linux-gnueabihf/libnettle.so.6
> (gdb) bt
> #0  0xb468e580 in nettle_yarrow256_update () from
> /usr/lib/arm-linux-gnueabihf/libnettle.so.6
> #1  0xb51bc76c in ?? () from
> /usr/lib/arm-linux-gnueabihf/libgnutls-deb0.so.28
> Backtrace stopped: previous frame identical to this frame (corrupt
> stack?)
> 
> 
> May be related to bug #788333:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788333

Yep, same as #787620 as well. It's caused by the fact that libnettle4 doesn't
provide symbols versioning so both libenttle4 and libnettle6 may get loaded at
the same time.

To fix this you should make sure that packages that use nettle are updated, in
particular libgnutls-deb0-28.

Since mpv doesn't depend directly on nettle or gnutls (they are pulled in due
to other packages), there isn't anything I can do about this.

Cheers
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