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| Filename | Latest commit message | Latest commit date |
|---|---|---|
30d65e8f96
tcf_chain_flush needs to be called with RTNL. However, on
free_tcf->
tcf_action_goto_chain_fini->
tcf_chain_put->
tcf_chain_destroy->
tcf_chain_flush
callpath, it is called without RTNL.
This issue was notified by following warning:
[ 155.599052] WARNING: suspicious RCU usage
[ 155.603165] 4.13.0-rc5jiri+ #54 Not tainted
[ 155.607456] -----------------------------
[ 155.611561] net/sched/cls_api.c:195 suspicious rcu_dereference_protected() usage!
Since on this callpath, the chain is guaranteed to be already empty
by check in tcf_chain_put, move the tcf_chain_flush call out and call it
only where it is needed - into tcf_block_put.
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.