Public bug reported:
lxsession in Quantal and Raring crashes if it is run without the '-e'
option to specify the desktop environment:
lxsession[24319]: segfault at 0 ip 00007fac984db6d6 sp 00007fffe89a3f38
error 4 in libc-2.15.so[7fac9839e000+1b5000]
(gdb) where
#0 __strcmp_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:213
#1 0x000000000041cba9 in launch_autostart_file (kf=0x26c8ca0,
desktop_id=<optimized out>,
desktop_file=<optimized out>) at ../xdg-autostart/xdg-autostart.c:198
#2 launch_autostart_file (desktop_id=<optimized out>, desktop_file=<optimized
out>, kf=0x26c8ca0)
at ../xdg-autostart/xdg-autostart.c:178
#3 0x00007f2396a50090 in g_hash_table_foreach () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x000000000041cd68 in xdg_autostart (de_name_arg=0x0) at
../xdg-autostart/xdg-autostart.c:309
#5 0x00000000004074ed in lxsession_main_main (args=0x7fffb3173ca8,
args_length1=1) at main.c:991
#6 0x00007f239645d76d in __libc_start_main (main=0x406a00 <main>, argc=3,
ubp_av=0x7fffb3173ca8,
init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=0x7fffb3173c98) at libc-start.c:226
#7 0x0000000000406a49 in _start ()
This happens because main.vala only prints a warning if
desktop_environnement is null - it does not actually fall back to "LXDE"
like the warning message says it will. The attached patch fixes the
problem.
** Affects: lxsession (Ubuntu)
Importance: Undecided
Status: New
** Patch added: "patch"
https://bugs.launchpad.net/bugs/1091819/+attachment/3463233/+files/patch
** Bug watch added: SourceForge.net Tracker #3597299
http://sourceforge.net/support/tracker.php?aid=3597299
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https://bugs.launchpad.net/bugs/1091819
Title:
lxsession segfault if desktop environment not specified
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