linux-kernel - Re: [syzbot] [kernel?] general protection fault in proc_sys_call

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Message-ID: <tencent_6F783E6E842DCD6E2C9518EB9EEFFACF180A@qq.com>
Date: Sat,  4 Jan 2025 13:12:22 +0800
From: Edward Adam Davis <eadavis@...com>
To: syzbot+2e65930fda17880da336@...kaller.appspotmail.com
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [kernel?] general protection fault in proc_sys_call_handler

utsname: debug ctl table for domainname

Before exit_task_work() is executed, exit_task_namespaces() has been executed,
which will cause task->nsproxy to be NULL.

#syz test: https://github.com/ea1davis/linux proc/syz