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abrt version: 1.1.18 architecture: x86_64 Attached file: backtrace, 37506 bytes cmdline: claws-mail component: claws-mail Attached file: coredump, 154886144 bytes crash_function: g_slice_free_chain_with_offset executable: /usr/bin/claws-mail kernel: 2.6.35.12-90.fc14.x86_64 package: claws-mail-3.7.9-2.fc14 rating: 4 reason: Process /usr/bin/claws-mail was killed by signal 11 (SIGSEGV) release: Fedora release 14 (Laughlin) time: 1304942420 uid: 500 How to reproduce ----- 1. launch claws-mail 2. read some mails 3. switch to another desktop to do other work abrt tells me claws crashed. (In other words, it worked for a while and I do not know why it crashed as I was not looking at it when it heppened)
Created attachment 497795 [details] File: backtrace
> #0 g_slice_free_chain_with_offset (mem_size=16, mem_chain=<value optimized > out>, next_offset=8) at gslice.c:942 > current = 0x2ba47 <Address 0x2ba47 out of bounds> Failure to free a GSList like that smells like heap corruption - and this crash in glib2's memory slice deallocator just being a side-effect. [Note that some bug reporters also see crashes in glibc's malloc, affecting various parts of Claws Mail.] imap.c: 3377 g_slist_free(IMAP_FOLDER_ITEM(item)->ok_flags); 3378 IMAP_FOLDER_ITEM(item)->ok_flags = NULL; ^ This makes a double-free unlikely, IMO. etpan/imap.c: 1427 GSList *t_flags = NULL; ... 1471 if (c_flag != 0) { 1472 t_flags = g_slist_prepend(t_flag s, 1473 GUINT_TO_POINTER(c_flag) ); 1474 } 1475 } 1476 } 1477 if (ok_flags) 1478 *ok_flags = t_flags; 1479 } ^ This is where it created and filled the GSList.
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