Re: [PATCH] zfcp: fix use-after-free in request timeout handlers

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On Thu, 13 Aug 2020 17:28:56 +0200, Steffen Maier wrote:

> Before v4.15 commit 75492a51568b ("s390/scsi: Convert timers to use
> timer_setup()"), we intentionally only passed zfcp_adapter as context
> argument to zfcp_fsf_request_timeout_handler(). Since we only trigger
> adapter recovery, it was unnecessary to sync against races between timeout
> and (late) completion.
> Likewise, we only passed zfcp_erp_action as context argument to
> zfcp_erp_timeout_handler(). Since we only wakeup an ERP action, it was
> unnecessary to sync against races between timeout and (late) completion.
> 
> [...]

Applied to 5.9/scsi-fixes, thanks!

[1/1] scsi: zfcp: Fix use-after-free in request timeout handlers
      https://git.kernel.org/mkp/scsi/c/2d9a2c5f581b

-- 
Martin K. Petersen	Oracle Linux Engineering



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