On Thu, Jan 18, 2018 at 12:49 PM, Оля Тележная <olyatelezhnaya@xxxxxxxxx> wrote: > 2018-01-18 9:20 GMT+03:00 Оля Тележная <olyatelezhnaya@xxxxxxxxx>: >> >> I think it's important to finish migrating process at first. I mean, >> now we are preparing and collecting everything in ref-filter, but we >> make resulting string and print still in cat-file. And I am not sure, >> but maybe it will not be possible to start using new atoms in cat-file >> while some part of logic still differs. > > I tried to make that part here: > https://github.com/telezhnaya/git/commit/19a148614f1d4db1f8e628eb4e6d7c819d2da875 > I know that the code is disgusting and there is a memory leak :) I > just try to reuse ref-filter logic, I will cleanup everything later. > At first, I try to make it work. > The problem is that I have segfault, and if I use gdb, I get: > > Program received signal SIGSEGV, Segmentation fault. > 0x0000000000000000 in ?? () Make sure that you compile with debug options like -g3. For example I use: $ make -j 4 DEVELOPER=1 CFLAGS="-g3" > I tried to google it, it's my first time when I get that strange > message, and unfortunately find nothing. So please explain me the > reason, why I can't find a place of segfault that way. I get the following: (gdb) run cat-file --batch < myarg.txt Starting program: /home/ubuntu/bin/git cat-file --batch < myarg.txt [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Program received signal SIGSEGV, Segmentation fault. 0x00005555556ea7cf in format_ref_array_item (info=0x7fffffffd460, format=0x7fffffffd6e0, final_buf=0x7fffffffd410) at ref-filter.c:2234 2234 atomv->handler(atomv, &state); (gdb) bt #0 0x00005555556ea7cf in format_ref_array_item (info=0x7fffffffd460, format=0x7fffffffd6e0, final_buf=0x7fffffffd410) at ref-filter.c:2234 #1 0x00005555556ea91c in show_ref_array_item (info=0x7fffffffd460, format=0x7fffffffd6e0) at ref-filter.c:2256 #2 0x0000555555577ef7 in batch_object_write ( obj_name=0x555555a66770 "5e1c309dae7f45e0f39b1bf3ac3cd9db12e7d689", opt=0x7fffffffd6e0, data=0x7fffffffd5e0) at builtin/cat-file.c:298