linux-kernel - Re: [syzbot] [bpf?] KASAN: slab-use-after-free Read in do

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Message-ID: <70fa837f583c0d9c0b7685dfe128ec3dea46d43a.camel@gmail.com>
Date: Wed, 11 Jun 2025 14:43:00 -0700
From: Eduard Zingerman <eddyz87@...il.com>
To: Luis Gerhorst <luis.gerhorst@....de>
Cc: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
 daniel@...earbox.net, 	haoluo@...gle.com, john.fastabend@...il.com,
 jolsa@...nel.org, kpsingh@...nel.org, 	linux-kernel@...r.kernel.org,
 martin.lau@...ux.dev, sdf@...ichev.me, 	song@...nel.org,
 syzkaller-bugs@...glegroups.com, yonghong.song@...ux.dev
Subject: Re: [syzbot] [bpf?] KASAN: slab-use-after-free Read in do_check

On Wed, 2025-06-11 at 23:32 +0200, Luis Gerhorst wrote:

[...]

> I sent the fix [1], let me know if it is as desired.

Thank you for the patches, I'll take a look shortly.
For now I asked syzbot to test "bpf: Fix state use-after-free on push_stack() err"
(hope I did it correctly).

[...]