Re: Add Morton,Peter and David for discussion//Re: [PATCH -next] uprobes: fix two zero old_folio bugs in __replace_page()
From: Oleg Nesterov <oleg@redhat.com>
Date: 2025-02-20 12:26:13
Also in:
bpf, linux-mm, linux-perf-users, lkml
On 02/20, Tong Tiangen wrote:
在 2025/2/20 16:38, David Hildenbrand 写道:quoted
On 20.02.25 03:31, Tong Tiangen wrote:quoted
@@ -506,6 +506,12 @@ int uprobe_write_opcode(struct arch_uprobe*auprobe, struct mm_struct *mm, if (ret <= 0) goto put_old; + if (WARN(is_zero_page(old_page),This can likely be triggered by user space, so do not use WARN.OK,thanks. Hi Oleg, is that all right?
Thanks, LGTM. Oleg.