Messages in this thread | | | Date | Sat, 16 Sep 2023 18:31:34 +0700 | From | Bagas Sanjaya <> | Subject | Re: 【Bug】use-after-fr ee in NVMe request double completion detected by kasan |
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On Sat, Sep 16, 2023 at 02:23:21PM +0800, xiaohui li wrote: > This bug only appears during concurrent stress testing, It has nothing > to do with what kinds of nvme disk to use. > Especially when conducting DDR stress testing, the consumption of DDR > bandwidth is high. Once the NVME driver is under pressure, the NVME IO > request times out, > and then this use-after-free bug appears with high probability. > > and i find other pepole have also encountered this bug. such as below: > https://access.redhat.com/solutions/6993136 (System crash due to > use-after-free in NVMe request double completion) > > i have no v6.6-rc1 kernel, > shall some one can give a bug-fix patch on 5.10.x linux kernel ? many thanks. Please don't top-post; reply inline with appropriate context instead. Replying inline allows readers to follow the conversation flow.
Again, as I repeat, please test mainline kernel first. Since you're about to compile your own kernel, there is a kernel documentation on it [1]. Or you can follow Rocky Linux's guide ([2]) (as it is based on RedHat).
Thanks.
[1]: https://docs.kernel.org/admin-guide/quickly-build-trimmed-linux.html [2]: https://docs.rockylinux.org/guides/custom-linux-kernel/
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