Comment 1 for bug 1315966

On Mon, May 05, 2014 at 12:38:29AM -0000, jen0f0nte wrote:
> [...]
> (Banshee:18821): GLib-CRITICAL **: Source ID 112 was not found when attempting to remove it
> *** Error in `banshee': double free or corruption (!prev): 0x00007fd0dc083930 ***
> Stacktrace:
>
> at <unknown> <0xffffffff>
> at (wrapper managed-to-native) Hyena.Data.Sqlite.Native.sqlite3_exec (intptr,byte[],intptr,intptr,intptr) <0xffffffff>
> at Hyena.Data.Sqlite.Connection.Execute (string) <0x00043>
> at Hyena.Data.Sqlite.HyenaSqliteCommand.Execute (Hyena.Data.Sqlite.HyenaSqliteConnection,Hyena.Data.Sqlite.Connection) <0x002f7>
> at Hyena.Data.Sqlite.HyenaSqliteConnection.ProcessQueue () <0x001f3>
> at System.Threading.Thread.StartInternal () <0x00071>
> at (wrapper runtime-invoke) object.runtime_invoke_void__this__ (object,intptr,intptr,intptr) <0xffffffff>
>
> Native stacktrace:
>
> banshee() [0x4b73d8]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd0f9578340]
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x39) [0x7fd0f91d8f79]
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x148) [0x7fd0f91dc388]
> /lib/x86_64-linux-gnu/libc.so.6(+0x741d4) [0x7fd0f92161d4]
> /lib/x86_64-linux-gnu/libc.so.6(+0x804ae) [0x7fd0f92224ae]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(sqlite3_free+0x6e) [0x7fd0e6bde9ee]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(+0x53279) [0x7fd0e6c1a279]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(+0x7d4b5) [0x7fd0e6c444b5]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(+0x66a2e) [0x7fd0e6c2da2e]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(+0x6a43f) [0x7fd0e6c3143f]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(+0x6aa22) [0x7fd0e6c31a22]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(+0x6acd5) [0x7fd0e6c31cd5]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(sqlite3_prepare_v2+0x18) [0x7fd0e6c31f68]
> /usr/lib/x86_64-linux-gnu/libsqlite3.so.0(sqlite3_exec+0xa5) [0x7fd0e6c32015]
> [0x404abe9b]

This looks like a problem in libsqlite3, but the backtrace is incomplete due to this:

> Debug info from gdb:
>
> ptrace: Operación no permitida.
> No threads.

Please try reproducing this crash after disabling the kernel.yama.ptrace_scope
sysctl option using this command:
$ sudo sysctl kernel.yama.ptrace_scope=0

You should re-enable this setting once you're done testing for security reasons:
$ sudo sysctl kernel.yama.ptrace_scope=1

I'm marking this bug as incomplete for the time being.

  status incomplete

--
Kind regards,
Loong Jin