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| Filename | Latest commit message | Latest commit date |
|---|---|---|
8427b05a7a
[ Upstream commit 807e7353d8a7105ce884d22b0dbc034993c6679c ]
Kernel is crashing with the following stacktrace:
BUG: unable to handle kernel NULL pointer dereference at
00000000000005bc
IP: lpfc_nvme_register_port+0x1a8/0x3a0 [lpfc]
...
Call Trace:
lpfc_nlp_state_cleanup+0x2b2/0x500 [lpfc]
lpfc_nlp_set_state+0xd7/0x1a0 [lpfc]
lpfc_cmpl_prli_prli_issue+0x1f7/0x450 [lpfc]
lpfc_disc_state_machine+0x7a/0x1e0 [lpfc]
lpfc_cmpl_els_prli+0x16f/0x1e0 [lpfc]
lpfc_sli_sp_handle_rspiocb+0x5b2/0x690 [lpfc]
lpfc_sli_handle_slow_ring_event_s4+0x182/0x230 [lpfc]
lpfc_do_work+0x87f/0x1570 [lpfc]
kthread+0x10d/0x130
ret_from_fork+0x35/0x40
During target side fault injections, it is possible to hit the
NLP_WAIT_FOR_UNREG case in lpfc_nvme_remoteport_delete. A prior commit
fixed a rebind and delete race condition, but called lpfc_nlp_put
unconditionally. This triggered a deletion and the crash.
Fix by movng nlp_put to inside the NLP_WAIT_FOR_UNREG case, where the nlp
will be being unregistered/removed. Leave the reference if the flag isn't
set.
Link: https://lore.kernel.org/r/20200322181304.37655-8-jsmart2021@gmail.com
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.