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The expected receive lists (tid_xxx_list) are not initialized until late in the receive context initialization. If an error happens before the initialization, a NULL pointer access will occur during cleanup. Initialized the lists sooner rather than later to avoid this Oops: IP: unlock_exp_tids.isra.11+0x26/0xd0 [hfi1] RIP: 0010:unlock_exp_tids.isra.11+0x26/0xd0 [hfi1] Call Trace: hfi1_user_exp_rcv_free+0x79/0xb0 [hfi1] hfi1_file_close+0x87/0x360 [hfi1] __fput+0xe7/0x210 ____fput+0xe/0x10 Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-by: Sebastian Sanchez <sebastian.sanchez@intel.com> Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.