After an evaluation, GNOME has moved from Bugzilla to GitLab. Learn more about GitLab.
No new issues can be reported in GNOME Bugzilla anymore.
To report an issue in a GNOME project, go to GNOME GitLab.
Do not go to GNOME Gitlab for: Bluefish, Doxygen, GnuCash, GStreamer, java-gnome, LDTP, NetworkManager, Tomboy.
Bug 783856 - invalid reads in write_command_cb
invalid reads in write_command_cb
Status: RESOLVED OBSOLETE
Product: gvfs
Classification: Core
Component: afp backend
git master
Other Linux
: Normal normal
: ---
Assigned To: gvfs-maint
gvfs-maint
Depends on:
Blocks:
 
 
Reported: 2017-06-16 07:52 UTC by Ondrej Holy
Modified: 2018-09-21 18:06 UTC
See Also:
GNOME target: ---
GNOME version: ---



Description Ondrej Holy 2017-06-16 07:52:26 UTC
It can be simply reproduced by mounting a non-existing volume, but happens regularly when traversing share by Nautilus also:

==28861== Invalid read of size 8
==28861==    at 0x40F654: write_command_cb (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x5F919D7: g_simple_async_result_complete (gsimpleasyncresult.c:801)
==28861==    by 0x40F325: write_all_cb (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x5FAA99F: g_task_return_now (gtask.c:1145)
==28861==    by 0x5FAAABB: g_task_return (gtask.c:1203)
==28861==    by 0x5FAB71D: g_task_return_int (gtask.c:1658)
==28861==    by 0x5F832D2: async_ready_write_callback_wrapper (goutputstream.c:752)
==28861==    by 0x5FAA99F: g_task_return_now (gtask.c:1145)
==28861==    by 0x5FAA9FC: complete_in_idle_cb (gtask.c:1159)
==28861==    by 0x65982C1: g_idle_dispatch (gmain.c:5500)
==28861==    by 0x6595878: g_main_dispatch (gmain.c:3148)
==28861==    by 0x6596748: g_main_context_dispatch (gmain.c:3813)
==28861==  Address 0x86bd318 is 40 bytes inside a block of size 48 free'd
==28861==    at 0x4C2FD18: free (vg_replace_malloc.c:530)
==28861==    by 0x659E02E: g_free (gmem.c:189)
==28861==    by 0x65B8180: g_slice_free1 (gslice.c:1136)
==28861==    by 0x40E42E: free_request_data (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x6581514: g_hash_table_remove_node (ghash.c:462)
==28861==    by 0x65826FF: g_hash_table_remove_internal (ghash.c:1364)
==28861==    by 0x658274B: g_hash_table_remove (ghash.c:1392)
==28861==    by 0x40EC86: dispatch_reply (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x40F10C: read_dsi_header_cb (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x5F919D7: g_simple_async_result_complete (gsimpleasyncresult.c:801)
==28861==    by 0x40E8FD: read_all_cb (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x5F7145B: async_ready_callback_wrapper (ginputstream.c:532)
==28861==  Block was alloc'd at
==28861==    at 0x4C2EB6B: malloc (vg_replace_malloc.c:299)
==28861==    by 0x659DEC5: g_malloc (gmem.c:94)
==28861==    by 0x65B7F44: g_slice_alloc (gslice.c:1025)
==28861==    by 0x65B7F84: g_slice_alloc0 (gslice.c:1051)
==28861==    by 0x40FD75: g_vfs_afp_connection_send_command (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x41031A: g_vfs_afp_connection_send_command_sync (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x41552D: g_vfs_afp_volume_mount_sync (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x414358: g_vfs_afp_server_mount_volume_sync (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x40B8AA: do_mount (in /opt/gnome/libexec/gvfsd-afp)
==28861==    by 0x4E5065C: run (in /opt/gnome/lib/gvfs/libgvfsdaemon.so)
==28861==    by 0x4E4F243: g_vfs_job_run (in /opt/gnome/lib/gvfs/libgvfsdaemon.so)
==28861==    by 0x4E46D74: job_handler_callback (in /opt/gnome/lib/gvfs/libgvfsdaemon.so)
Comment 1 GNOME Infrastructure Team 2018-09-21 18:06:31 UTC
-- GitLab Migration Automatic Message --

This bug has been migrated to GNOME's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.gnome.org/GNOME/gvfs/issues/299.