linux-kernel - Re: 3.12.0-rc5+ reproducible crash at kernel/timer.c:1117

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Message-ID: <CAE=NcrZ=9Tyc24PgiB+Hkk7DNwH3AMB_EqwWPEuzmcLMjTK7ig@mail.gmail.com>
Date:	Tue, 15 Oct 2013 10:41:21 +0300
From:	Janne Karhunen <janne.karhunen@...il.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 3.12.0-rc5+ reproducible crash at kernel/timer.c:1117

> call_timer_fn 0x73/0x160 <--- EIP hits 0

Use after free.. with CONFIG_DEBUG_PAGEALLOC &&
CONFIG_DEBUG_OBJECTS_TIMERS we get :

call_timer_fn 0x73/0x160
destroy_timer_on_stack 0x20/0x20
ftrace_raw_event_hrtimer_expire_entry 0x3b/0xc0
run_timer_softirq 0x1f2/0x230


-- 
Janne
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