Package: emacs24-lucid
Version: 24.5+1-6+b2
Severity: important

Dear Maintainer,

Opening Mailbox containing non-English mail, in my case Kannada language mail
caused emacs to crash. I seen this crash before in both cases the crash occured
when mailbox contained mail from Google which had subject line in Kannada.

I collected backtrace of crash using gdb and here is the line where the crash
happened. 

Program received signal SIGSEGV, Segmentation fault.
0xf6460e26 in lookup_gpos (lookup_list=lookup_list@entry=0xb46e698, 
lookup_list_index=lookup_list_index@entry=1, 
    gstring=gstring@entry=0x849deb0 <otf_gstring>, gidx=<optimized out>, 
accumulate=1) at otfdrive.c:975

And below is top 10 list of function leading to crash as shown in back trace.

#0  0xf6460e26 in lookup_gpos (lookup_list=lookup_list@entry=0xb46e698, 
lookup_list_index=lookup_list_index@entry=1, 
    gstring=gstring@entry=0x849deb0 <otf_gstring>, gidx=<optimized out>, 
accumulate=1) at otfdrive.c:975
#1  0xf6461f76 in OTF_drive_gpos_internal (otf=<optimized out>, 
gstring=0x849deb0 <otf_gstring>, script=<optimized out>, language=0x0, 
    features=0xffe51230 "kern,dist,abvm,blwm", accumulate=1, with_log=1) at 
otfdrive.c:1886
#2  0xf6463a33 in OTF_drive_gpos_with_log (otf=0x0, gstring=0xffe51230, 
script=0x1 <error: Cannot access memory at address 0x1>, 
    language=0x1 <error: Cannot access memory at address 0x1>, 
features=0xffe51230 "kern,dist,abvm,blwm") at otfdrive.c:1935
#3  0x081e2d16 in ftfont_drive_otf (font=0xffe5238c, spec=0xb3d8bb4, 
in=0xffe5227c, from=1, to=4, out=0xffe521e8, adjustment=0xffe51310)
    at ftfont.c:1975
#4  0xf641ac73 in run_otf (depth=depth@entry=8, otf_spec=0xb3d8bb4, from=1, 
from@entry=188582836, to=4, ctx=0xffe52290) at m17n-flt.c:1945
#5  0xf641e4ff in run_command (depth=depth@entry=8, id=<optimized out>, 
from=188582836, from@entry=1, to=<optimized out>, ctx=<optimized out>)
    at m17n-flt.c:2169
#6  0xf641e842 in run_rule (depth=8, depth@entry=7, rule=0xb3d8b80, from=1, 
from@entry=0, to=4, ctx=0xffe52290) at m17n-flt.c:1836
#7  0xf641e3ff in run_command (depth=depth@entry=7, id=<optimized out>, 
from=from@entry=0, to=<optimized out>, ctx=<optimized out>) at m17n-flt.c:2165
#8  0xf641e842 in run_rule (depth=7, depth@entry=-1, rule=0xb3d8b4c, from=0, 
from@entry=-1, to=5, ctx=0xffe52290) at m17n-flt.c:1836
#9  0xf641e3ff in run_command (depth=-1, depth@entry=6, id=<optimized out>, 
from=-1, from@entry=0, to=<optimized out>, ctx=<optimized out>)
    at m17n-flt.c:2165

I also did check typing in Kannada on emacs scratch buffer and that did not 
lead to any crash.
This crash specifically happens when opening mailbox from Gnus containing 
Kannada strings. I'm
not sure if this happens with other language strings though.

Also I noticed this in emacs24 package also. Since now I've emacs24-lucid I'm 
reporting
it against this package.

I wanted to send entire core file but its too huge, compressed with xz it comes 
to 8.1M. If
needed I can make it available via some other methods.

Cheers,

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (x86_64)
Foreign Architectures: amd64

Kernel: Linux 4.5.0-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_IN, LC_CTYPE=en_IN (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages emacs24-lucid depends on:
ii  emacs24-bin-common     24.5+1-6+b2
ii  libacl1                2.2.52-3
ii  libasound2             1.1.0-1
ii  libc6                  2.22-7
ii  libcairo2              1.14.6-1+b1
ii  libdbus-1-3            1.10.8-1
ii  libfontconfig1         2.11.0-6.4
ii  libfreetype6           2.6.3-3+b1
ii  libgdk-pixbuf2.0-0     2.34.0-1
ii  libgif7                5.1.4-0.2
ii  libglib2.0-0           2.48.1-1
ii  libgnutls30            3.4.12-1
ii  libgomp1               6.1.1-4
ii  libgpm2                1.20.4-6.2
ii  libice6                2:1.0.9-1+b1
ii  libjpeg62-turbo        1:1.4.2-2
ii  libm17n-0              1.7.0-3+b1
ii  libmagickcore-6.q16-2  8:6.8.9.9-7+b2
ii  libmagickwand-6.q16-2  8:6.8.9.9-7+b2
ii  libotf0                0.9.13-3
ii  libpng16-16            1.6.21-5
ii  librsvg2-2             2.40.15-1
ii  libselinux1            2.5-3
ii  libsm6                 2:1.2.2-1+b1
ii  libtiff5               4.0.6-1
ii  libtinfo5              6.0+20160319-1
ii  libx11-6               2:1.6.3-1
ii  libxext6               2:1.3.3-1
ii  libxft2                2.3.2-1
ii  libxinerama1           2:1.1.3-1+b1
ii  libxml2                2.9.3+dfsg1-1
ii  libxmu6                2:1.1.2-2
ii  libxpm4                1:3.5.11-1+b1
ii  libxrandr2             2:1.5.0-1
ii  libxrender1            1:0.9.9-2
ii  libxt6                 1:1.1.5-1
ii  xaw3dg                 1.5+E-18.2
ii  zlib1g                 1:1.2.8.dfsg-2+b1

emacs24-lucid recommends no packages.

Versions of packages emacs24-lucid suggests:
pn  emacs24-common-non-dfsg  <none>

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