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SubjectRe: [BUG] ext4 trace events cause NULL pointer dereferences
Theodore Tso wrote:
> On Jul 23, 2010, at 1:47 AM, KOSAKI Motohiro wrote:
>> I'm not familiar ext4 so much. but you patch seems very nice!
>> thank you :)
> So, can someone confirm that this fixes the NULL pointer dereference? The patch itself makes sense, and it doesn't change the tracepoint output, so I'm inclined to include it, but I haven't been able to reproduce the failure myself using the reproduction recipe given at the beginning of this thread --- and I'd feel much better if someone who has been able to reproduce the crash can confirm this fixes things for them.

The patch works!

Tested-by: Li Zefan <>

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