Messages in this thread | | | Date | Tue, 13 Apr 2021 14:43:35 -0400 | From | Steven Rostedt <> | Subject | Re: [syzbot] possible deadlock in del_gendisk |
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On Tue, 13 Apr 2021 14:40:09 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:
> ------------[ cut here ]------------ > raw_local_irq_restore() called with IRQs enabled > WARNING: CPU: 0 PID: 8777 at kernel/locking/irqflag-debug.c:9 warn_bogus_irq_restore kernel/locking/irqflag-debug.c:9 [inline] > WARNING: CPU: 0 PID: 8777 at kernel/locking/irqflag-debug.c:9 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:7
In fact, when you have the above, which is a WARN() with text:
"raw_local_irq_restore() called with IRQs enabled"
It is pretty much guaranteed that all triggers of this bug will have the above warning with the same text.
-- Steve
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