linux-kernel - kmalloc vs vmalloc in kretprobe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <CAO6QMdxGuzXPn1Eq8An4Ckmor+iPwMvBvu0b9Xjd4jBX2A4n7g@mail.gmail.com>
Date:   Sat, 2 Nov 2019 14:26:36 -0700
From:   Srinivas Murthy <the.srinivas.murthy@...il.com>
To:     linux-kernel@...r.kernel.org
Subject: kmalloc vs vmalloc in kretprobe

Is it safe to use kmalloc( x,  GFP_ATOMIC) in kretprobe pre/post handlers?

What is the recommended way to alloc mem in the kprobe/kretprobe handlers?