Messages in this thread | | | Subject | Re: [PATCH] st: fix race in st_scsi_execute_end | From | James Bottomley <> | Date | Wed, 21 Mar 2012 10:09:41 +0000 |
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On Fri, 2011-10-21 at 13:31 +0200, Petr Uzel wrote: > The call to complete() in st_scsi_execute_end() wakes up sleeping thread > in write_behind_check(), which frees the st_request, thus invalidating > the pointer to the associated bio structure, which is then passed to the > blk_rq_unmap_user(). Fix by storing pointer to bio structure into > temporary local variable. > > This bug is present since at least linux-2.6.32.
This patch isn't applyable. That's because gpg has mangled it. You either need to turn it off or do detached signatures.
Thanks,
James
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