Messages in this thread | | | Subject | Re: Fix the reproducible oops in scsi | From | OGAWA Hirofumi <> | Date | Thu, 11 Jan 2007 03:29:20 +0900 |
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James Smart <James.Smart@Emulex.Com> writes:
> I don't believe this is a valid fix. This is yet another case > of the reuse-after-free issues on sdevs. The real issue is the > deleted sdev isn't truly getting deleted due to references, and > we're deadlocked trying to allocate a new one while the old one > is outstanding. This fix just jumps over things. You're actually > using a partially torn down sdev that, if the refcounts ever > decremented, would be zapped - and you would be in a bunch of trouble.
I see. Can you explain more about reuse-after-free issue on sdevs? Is there any test case or any info? Or is there any plan to fix it? -- OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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