StacktraceTop: __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f551caa5860 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199 malloc_printerr (action=3, str=0x7f551caa1808 "corrupted double-linked list", ptr=<optimized out>) at malloc.c:4902 _int_free (av=0x7f5508000020, p=0x7f550801ac30, have_lock=0) at malloc.c:3903 VBoxNsprPR_Free (ptr=ptr@entry=0x7f550801acf0) at /build/buildd/virtualbox-4.1.22-dfsg/src/libs/xpcom18a4/nsprpub/pr/src/malloc/prmem.c:507 VBoxNsprPR_DestroyLock (lock=0x7f550801acf0) at /build/buildd/virtualbox-4.1.22-dfsg/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:186
StacktraceTop: do_abort@ entry=2, fmt=fmt@ entry=0x7f551ca a5860 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/ unix/sysv/ linux/libc_ fatal.c: 199 entry=0x7f55080 1acf0) at /build/ buildd/ virtualbox- 4.1.22- dfsg/src/ libs/xpcom18a4/ nsprpub/ pr/src/ malloc/ prmem.c: 507 DestroyLock (lock=0x7f55080 1acf0) at /build/ buildd/ virtualbox- 4.1.22- dfsg/src/ libs/xpcom18a4/ nsprpub/ pr/src/ pthreads/ ptsynch. c:186
__libc_message (do_abort=
malloc_printerr (action=3, str=0x7f551caa1808 "corrupted double-linked list", ptr=<optimized out>) at malloc.c:4902
_int_free (av=0x7f5508000020, p=0x7f550801ac30, have_lock=0) at malloc.c:3903
VBoxNsprPR_Free (ptr=ptr@
VBoxNsprPR_