The brk area needs to be zeroed initially, like the .bss section. At the same time its memory should be covered by the ELF program headers.
Juergen Gross (3): x86/xen: use clear_bss() for Xen PV guests x86: fix setup of brk area x86: fix .brk attribute in linker script arch/x86/include/asm/setup.h | 3 +++ arch/x86/kernel/head64.c | 4 +++- arch/x86/kernel/vmlinux.lds.S | 2 +- arch/x86/xen/enlighten_pv.c | 8 ++++++-- arch/x86/xen/xen-head.S | 10 +--------- 5 files changed, 14 insertions(+), 13 deletions(-) -- 2.35.3
