On Sat, 3 Dec 2016 09:58:20 -0200 Gustavo Sverzut Barbieri <barbi...@gmail.com> said:
> On Sat, Dec 3, 2016 at 12:31 AM, Carsten Haitzler <ras...@rasterman.com> > wrote: > > On Sat, 03 Dec 2016 01:45:30 +0000 Gustavo Sverzut Barbieri > > <barbi...@gmail.com> said: > > > >> Well, I did force and it "worked". Not much test, like I've noticed some > >> cases check for class using just the eo_id... > > > > how can you force it? literally there's missing non-eoid code paths. eo will > > mess up the pointer by mucking about with the bits in it... i'm amazed it > > worked at all.. but i guarantee you it wont be correct either way. > > go to eo_private.h and do: > > #undef HAVE_EO_ID > > I've tested with efl_net_dialer_simple_example, which does lots of > objects and classes and inheritance. You get the following log when > using that and the double free case: > > $ LD_PRELOAD=src/lib/eo/.libs/libeo_dbg.so \ > EO_LIFECYCLE_NO_DEBUG=Efl_Loop_Timer,Efl_Promise,Efl_Future \ > EO_LIFECYCLE_DEBUG=1 \ > EINA_LOG_LEVELS=eo:3,eo_lifecycle:4 \ > libtool --mode=execute valgrind > ./src/examples/ecore/efl_net_dialer_simple_example tcp localhost:1234 > > DBG<13298>:eo_lifecycle lib/eo/eo.c:2736 _eo_log_obj_init() will log > all object allocation and free > DBG<13298>:eo_lifecycle lib/eo/eo.c:2812 _eo_log_obj_init() will NOT > log class 'Efl_Future' > DBG<13298>:eo_lifecycle lib/eo/eo.c:2812 _eo_log_obj_init() will NOT > log class 'Efl_Promise' > DBG<13298>:eo_lifecycle lib/eo/eo.c:2812 _eo_log_obj_init() will NOT > log class 'Efl_Loop_Timer' > DBG<13298>:eo_lifecycle lib/eo/eo.c:2689 _eo_log_obj_new() new > obj=0x9723470 obj_id=0x9723470 class=0x9722bb0 (Efl_Vpath_Core) > [0.1132] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2689 _eo_log_obj_new() new > obj=0x9738a90 obj_id=0x9738a90 class=0x9737800 (Efl_Loop) [0.1645] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2689 _eo_log_obj_new() new > obj=0x9782250 obj_id=0x9782250 class=0x97809f0 (Efl_Net_Dialer_Simple) > [0.5570] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2689 _eo_log_obj_new() new > obj=0x9782650 obj_id=0x9782650 class=0x977c210 (Efl_Net_Dialer_Tcp) > [0.5736] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2689 _eo_log_obj_new() new > obj=0x9783de0 obj_id=0x9783de0 class=0x9782930 (Efl_Io_Queue) [0.5963] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2689 _eo_log_obj_new() new > obj=0x9786360 obj_id=0x9786360 class=0x97841a0 (Efl_Io_Copier) > [0.6090] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2689 _eo_log_obj_new() new > obj=0x978bb70 obj_id=0x978bb70 class=0x9782930 (Efl_Io_Queue) [0.6553] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2689 _eo_log_obj_new() new > obj=0x978bf30 obj_id=0x978bf30 class=0x97841a0 (Efl_Io_Copier) > [0.6588] > INFO: sending 'Hello World!' > DBG<13298>:eo_lifecycle lib/eo/eo.c:2712 _eo_log_obj_free() free > obj=0x978bb70 obj_id=0x978bb70 class=0x9782930 (Efl_Io_Queue) [0.7322] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2712 _eo_log_obj_free() free > obj=0x978bf30 obj_id=0x978bf30 class=0x97841a0 (Efl_Io_Copier) > [0.7472] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2712 _eo_log_obj_free() free > obj=0x9783de0 obj_id=0x9783de0 class=0x9782930 (Efl_Io_Queue) [0.7504] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2712 _eo_log_obj_free() free > obj=0x9786360 obj_id=0x9786360 class=0x97841a0 (Efl_Io_Copier) > [0.7536] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2712 _eo_log_obj_free() free > obj=0x9782650 obj_id=0x9782650 class=0x977c210 (Efl_Net_Dialer_Tcp) > [0.7730] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2712 _eo_log_obj_free() free > obj=0x9782250 obj_id=0x9782250 class=0x97809f0 (Efl_Net_Dialer_Simple) > [0.7936] > CRI<13298>: ../src/lib/eo/efl_object.eo.c:78 efl_del() *** Eina Magic > Check Failed at 0x9782250 !!! > Input handle is wrong type > Expected: a186bc32 - Eo > Supplied: 00000000 - (unknown) > *** NAUGHTY PROGRAMMER!!! > *** SPANK SPANK SPANK!!! > *** Now go fix your code. Tut tut tut! > > > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > obj_id=0x9782250 created obj=0x9782250, class=0x97809f0 > (Efl_Net_Dialer_Simple) [0.5570s, 0.2536 ago]: > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000004e3ff1a: libeo_dbg.so+0x8f1a (in > src/lib/eo/.libs/libeo_dbg.so 0x4e37000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000004e3fbdd: _efl_add_internal_start+0x1cd (in > src/lib/eo/.libs/libeo_dbg.so 0x4e37000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x0000000010a85f: lt-efl_net_dialer_simple_example+0x285f (in > /home/gustavo/Development/git/efl/src/examples/ecore/.libs/lt-efl_net_dialer_simple_example > 0x108000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000005c79291: __libc_start_main+0xf1 (in /usr/lib/libc.so.6 > 0x5c59000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x0000000010a38a: _start+0x2a (in > /home/gustavo/Development/git/efl/src/examples/ecore/.libs/lt-efl_net_dialer_simple_example > 0x108000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > obj_id=0x9782250 deleted obj=0x9782250, class=0x97809f0 > (Efl_Net_Dialer_Simple) [0.7936s, 0.0169 ago]: > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000004e406ea: libeo_dbg.so+0x96ea (in > src/lib/eo/.libs/libeo_dbg.so 0x4e37000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000004e40541: libeo_dbg.so+0x9541 (in > src/lib/eo/.libs/libeo_dbg.so 0x4e37000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000004e3ef78: libeo_dbg.so+0x7f78 (in > src/lib/eo/.libs/libeo_dbg.so 0x4e37000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000004e3f12e: _efl_object_call_end+0x4e (in > src/lib/eo/.libs/libeo_dbg.so 0x4e37000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000004e47415: efl_del+0x105 (in src/lib/eo/.libs/libeo_dbg.so > 0x4e37000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x0000000010ac2c: lt-efl_net_dialer_simple_example+0x2c2c (in > /home/gustavo/Development/git/efl/src/examples/ecore/.libs/lt-efl_net_dialer_simple_example > 0x108000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x00000005c79291: __libc_start_main+0xf1 (in /usr/lib/libc.so.6 > 0x5c59000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > 0x0000000010a38a: _start+0x2a (in > /home/gustavo/Development/git/efl/src/examples/ecore/.libs/lt-efl_net_dialer_simple_example > 0x108000) > ERR<13298>:eo_lifecycle ../src/lib/eo/efl_object.eo.c:78 efl_del() > obj_id=0x9782250 was already deleted 0.0169 seconds ago! > DBG<13298>:eo_lifecycle lib/eo/eo.c:2712 _eo_log_obj_free() free > obj=0x9738a90 obj_id=0x9738a90 class=0x9737800 (Efl_Loop) [0.9533] > DBG<13298>:eo_lifecycle lib/eo/eo.c:2712 _eo_log_obj_free() free > obj=0x9723470 obj_id=0x9723470 class=0x9722bb0 (Efl_Vpath_Core) > [0.9792] > > > I've noticed no valgrind kicks in and that's due the freeq... that one > must mark the object as dead... will do it now well i am telling you the eo has code that literally checks specific bits in the pointer value and we need at lease 4 bits of it right now and stuff will mess up based on pointer values. you just got lucky i guess. -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) ras...@rasterman.com ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ enlightenment-devel mailing list enlightenment-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
