Public bug reported:

FUSE library version: 2.9.1
fusermount version: 2.9.1
using FUSE kernel interface version 7.19


*** glibc detected *** /usr/lib/gvfs//gvfsd-fuse: double free or corruption 
(fasttop): 0x00007f200c04bae0 ***
======= Backtrace: =========
/usr/lib/libc.so.6(+0x798a6)[0x7f2013af88a6]
/usr/lib/libgvfscommon.so.0(g_mount_info_unref+0x32)[0x7f2014b2b0f2]
/usr/lib/libgvfscommon.so.0(+0x16e12)[0x7f2014b2be12]
/usr/lib/libffi.so.6(ffi_call_unix64+0x4c)[0x7f201306be48]
/usr/lib/libffi.so.6(ffi_call+0x1e0)[0x7f201306b850]
/usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_generic+0x1fb)[0x7f2014584afb]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x190)[0x7f20145841a0]
/usr/lib/libgobject-2.0.so.0(+0x215b0)[0x7f20145955b0]
/usr/lib/libgobject-2.0.so.0(g_signal_emitv+0x23b)[0x7f201459c71b]
/usr/lib/libgvfscommon.so.0(+0x1d823)[0x7f2014b32823]
/usr/lib/libffi.so.6(ffi_call_unix64+0x4c)[0x7f201306be48]
/usr/lib/libffi.so.6(ffi_call+0x1e0)[0x7f201306b850]
/usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_generic+0x1fb)[0x7f2014584afb]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x190)[0x7f20145841a0]
/usr/lib/libgobject-2.0.so.0(+0x21330)[0x7f2014595330]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0xdac)[0x7f201459d51c]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x82)[0x7f201459d6b2]
/usr/lib/libgio-2.0.so.0(+0xc89e4)[0x7f201488a9e4]
/usr/lib/libgio-2.0.so.0(+0xb8665)[0x7f201487a665]
/usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x135)[0x7f20142c5865]
/usr/lib/libglib-2.0.so.0(+0x47b98)[0x7f20142c5b98]
/usr/lib/libglib-2.0.so.0(g_main_loop_run+0x72)[0x7f20142c5f92]
/usr/lib/gvfs//gvfsd-fuse[0x404598]
/usr/lib/libglib-2.0.so.0(+0x6b3c5)[0x7f20142e93c5]
/usr/lib/libpthread.so.0(+0x7e0f)[0x7f2013e2de0f]
/usr/lib/libc.so.6(clone+0x6d)[0x7f2013b6531d]
======= Memory map: ========
00400000-00407000 r-xp 00000000 08:13 12467267                           
/usr/lib/gvfs/gvfsd-fuse
00606000-00607000 r--p 00006000 08:13 12467267                           
/usr/lib/gvfs/gvfsd-fuse
00607000-00608000 rw-p 00007000 08:13 12467267                           
/usr/lib/gvfs/gvfsd-fuse
01ab7000-01b03000 rw-p 00000000 00:00 0                                  [heap]
7f1ff0000000-7f1ff0021000 rw-p 00000000 00:00 0 
7f1ff0021000-7f1ff4000000 ---p 00000000 00:00 0 
7f1ff8000000-7f1ff8021000 rw-p 00000000 00:00 0 
7f1ff8021000-7f1ffc000000 ---p 00000000 00:00 0 
7f1ffc000000-7f1ffc021000 rw-p 00000000 00:00 0 
7f1ffc021000-7f2000000000 ---p 00000000 00:00 0 
7f2002ffe000-7f2002fff000 ---p 00000000 00:00 0 
7f2002fff000-7f20037ff000 rw-p 00000000 00:00 0                          
[stack:9727]
7f20037ff000-7f2003800000 ---p 00000000 00:00 0 
7f2003800000-7f2004000000 rw-p 00000000 00:00 0                          
[stack:9717]
7f2004000000-7f200403d000 rw-p 00000000 00:00 0 
7f200403d000-7f2008000000 ---p 00000000 00:00 0 
7f2008000000-7f2008021000 rw-p 00000000 00:00 0 
7f2008021000-7f200c000000 ---p 00000000 00:00 0 
7f200c000000-7f200c054000 rw-p 00000000 00:00 0 
7f200c054000-7f2010000000 ---p 00000000 00:00 0 
7f201017b000-7f2010190000 r-xp 00000000 08:13 12321525                   
/usr/lib/libgcc_s.so.1
7f2010190000-7f201038f000 ---p 00015000 08:13 12321525                   
/usr/lib/libgcc_s.so.1
7f201038f000-7f2010390000 rw-p 00014000 08:13 12321525                   
/usr/lib/libgcc_s.so.1
7f2010390000-7f2010391000 ---p 00000000 00:00 0 
7f2010391000-7f2010b91000 rw-p 00000000 00:00 0                          
[stack:9696]
7f2010b91000-7f2010ba1000 r-xp 00000000 08:13 12361635                   
/usr/lib/libudev.so.1.1.6
7f2010ba1000-7f2010da0000 ---p 00010000 08:13 12361635                   
/usr/lib/libudev.so.1.1.6
7f2010da0000-7f2010da1000 r--p 0000f000 08:13 12361635                   
/usr/lib/libudev.so.1.1.6
7f2010da1000-7f2010da2000 rw-p 00010000 08:13 12361635                   
/usr/lib/libudev.so.1.1.6
7f2010da2000-7f2010dd1000 r-xp 00000000 08:13 12848277                   
/usr/lib/gio/modules/libgvfsdbus.so
7f2010dd1000-7f2010fd1000 ---p 0002f000 08:13 12848277                   
/usr/lib/gio/modules/libgvfsdbus.so
7f2010fd1000-7f2010fd2000 r--p 0002f000 08:13 12848277                   
/usr/lib/gio/modules/libgvfsdbus.so
7f2010fd2000-7f2010fd4000 rw-p 00030000 08:13 12848277                   
/usr/lib/gio/modules/libgvfsdbus.so
7f2010fd4000-7f2010fd5000 ---p 00000000 00:00 0 
7f2010fd5000-7f20117d5000 rw-p 00000000 00:00 0                          
[stack:9695]
7f20117d5000-7f20117d6000 ---p 00000000 00:00 0 
7f20117d6000-7f2011fd6000 rw-p 00000000 00:00 0                          
[stack:9694]
7f2011fd6000-7f2011fd7000 ---p 00000000 00:00 0 
7f2011fd7000-7f20127d7000 rw-p 00000000 00:00 0                          
[stack:9693]
7f20127d7000-7f20127ea000 r-xp 00000000 08:13 12355146                   
/usr/lib/libresolv-2.16.so
7f20127ea000-7f20129ea000 ---p 00013000 08:13 12355146                   
/usr/lib/libresolv-2.16.so
7f20129ea000-7f20129eb000 r--p 00013000 08:13 12355146                   
/usr/lib/libresolv-2.16.so
7f20129eb000-7f20129ec000 rw-p 00014000 08:13 12355146                   
/usr/lib/libresolv-2.16.so
7f20129ec000-7f20129ee000 rw-p 00000000 00:00 0 
7f20129ee000-7f2012a03000 r-xp 00000000 08:13 12324499                   
/usr/lib/libz.so.1.2.7
7f2012a03000-7f2012c02000 ---p 00015000 08:13 12324499                   
/usr/lib/libz.so.1.2.7
7f2012c02000-7f2012c03000 r--p 00014000 08:13 12324499                   
/usr/lib/libz.so.1.2.7
7f2012c03000-7f2012c04000 rw-p 00015000 08:13 12324499                   
/usr/lib/libz.so.1.2.7
7f2012c04000-7f2012c61000 r-xp 00000000 08:13 12329580                   
/usr/lib/libpcre.so.1.0.1
7f2012c61000-7f2012e60000 ---p 0005d000 08:13 12329580                   
/usr/lib/libpcre.so.1.0.1
7f2012e60000-7f2012e61000 r--p 0005c000 08:13 12329580                   
/usr/lib/libpcre.so.1.0.1
7f2012e61000-7f2012e62000 rw-p 0005d000 08:13 12329580                   
/usr/lib/libpcre.so.1.0.1
7f2012e62000-7f2012e65000 r-xp 00000000 08:13 12349768                   
/usr/lib/libdl-2.16.so
7f2012e65000-7f2013064000 ---p 00003000 08:13 12349768                   
/usr/lib/libdl-2.16.so
7f2013064000-7f2013065000 r--p 00002000 08:13 12349768                   
/usr/lib/libdl-2.16.so
7f2013065000-7f2013066000 rw-p 00003000 08:13 12349768                   
/usr/lib/libdl-2.16.so
7f2013066000-7f201306d000 r-xp 00000000 08:13 12329663                   
/usr/lib/libffi.so.6.0.0
7f201306d000-7f201326c000 ---p 00007000 08:13 12329663                   
/usr/lib/libffi.so.6.0.0
7f201326c000-7f201326d000 r--p 00006000 08:13 12329663                   
/usr/lib/libffi.so.6.0.0
7f201326d000-7f201326e000 rw-p 00007000 08:13 12329663                   
/usr/lib/libffi.so.6.0.0
7f201326e000-7f201326f000 r-xp 00000000 08:13 12329712                   
/usr/lib/libgthread-2.0.so.0.3400.1
7f201326f000-7f201346e000 ---p 00001000 08:13 12329712                   
/usr/lib/libgthread-2.0.so.0.3400.1

** Affects: gvfs (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1074449

Title:
  gvfs crashes on unmounting (double free

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