id = 1212
title = "A NULL pointer dereference issue in elf2dmp"
state = "closed"
created_at = "2022-09-15T08:33:10.628Z"
closed_at = "2022-09-22T09:16:08.638Z"
labels = ["GDB"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1212"
host-os = "Ubuntu 20.04"
host-arch = "x86"
qemu-version = "7.1.50"
guest-os = "Ubuntu"
guest-arch = "x86"
description = """SIGSEGV in get_pml4e for it didn't handle NULL result properly."""
reproduce = """1.launch qemu and running "gab attach -p $QEMU_PID", run "gcore" inside gdb to generate coredump
2../elf2dmp ./core.111 ./out.dmp 
3.get segemantation fault"""
additional = """![1](/uploads/39da5ed2da15b105664ee7ee05f69078/1.png)"""