StacktraceTop: __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7ff3256c2860 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199 malloc_printerr (action=3, str=0x7ff3256be808 "corrupted double-linked list", ptr=<optimized out>) at malloc.c:4902 _int_free (av=0x7ff2e0000020, p=0x7ff2e00012f0, have_lock=0) at malloc.c:3912 initialize_backend (cbdav=cbdav@entry=0x3caf880, perror=perror@entry=0x7ff300c6dc98) at e-cal-backend-caldav.c:2818 caldav_do_open (backend=0x3caf880, cal=<optimized out>, cancellable=0x7ff30c005b60, only_if_exists=<optimized out>, perror=0x7ff300c6dc98) at e-cal-backend-caldav.c:2912
StacktraceTop: do_abort@ entry=2, fmt=fmt@ entry=0x7ff3256 c2860 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/ unix/sysv/ linux/libc_ fatal.c: 199 cbdav@entry= 0x3caf880, perror= perror@ entry=0x7ff300c 6dc98) at e-cal-backend- caldav. c:2818 0x7ff30c005b60, only_if_ exists= <optimized out>, perror= 0x7ff300c6dc98) at e-cal-backend- caldav. c:2912
__libc_message (do_abort=
malloc_printerr (action=3, str=0x7ff3256be808 "corrupted double-linked list", ptr=<optimized out>) at malloc.c:4902
_int_free (av=0x7ff2e0000020, p=0x7ff2e00012f0, have_lock=0) at malloc.c:3912
initialize_backend (cbdav=
caldav_do_open (backend=0x3caf880, cal=<optimized out>, cancellable=