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82e20b4447
The parameter this doesn't have a flags value. so that it can't be
used by nft_rbtree_interval_end().
test commands:
%nft add table ip filter
%nft add set ip filter s { type ipv4_addr \; flags interval \; }
%nft add element ip filter s {0-1}
%nft add element ip filter s {2-10}
%nft add chain ip filter input { type filter hook input priority 0\; }
%nft add rule ip filter input ip saddr @s
Splat looks like:
[ 246.752502] BUG: KASAN: slab-out-of-bounds in __nft_rbtree_lookup+0x677/0x6a0 [nft_set_rbtree]
[ 246.752502] Read of size 1 at addr ffff88010d9efa47 by task http/1092
[ 246.752502] CPU: 1 PID: 1092 Comm: http Not tainted 4.17.0-rc6+ #185
[ 246.752502] Call Trace:
[ 246.752502] <IRQ>
[ 246.752502] dump_stack+0x74/0xbb
[ 246.752502] ? __nft_rbtree_lookup+0x677/0x6a0 [nft_set_rbtree]
[ 246.752502] print_address_description+0xc7/0x290
[ 246.752502] ? __nft_rbtree_lookup+0x677/0x6a0 [nft_set_rbtree]
[ 246.752502] kasan_report+0x22c/0x350
[ 246.752502] __nft_rbtree_lookup+0x677/0x6a0 [nft_set_rbtree]
[ 246.752502] nft_rbtree_lookup+0xc9/0x2d2 [nft_set_rbtree]
[ 246.752502] ? sched_clock_cpu+0x144/0x180
[ 246.752502] nft_lookup_eval+0x149/0x3a0 [nf_tables]
[ 246.752502] ? __lock_acquire+0xcea/0x4ed0
[ 246.752502] ? nft_lookup_init+0x6b0/0x6b0 [nf_tables]
[ 246.752502] nft_do_chain+0x263/0xf50 [nf_tables]
[ 246.752502] ? __nft_trace_packet+0x1a0/0x1a0 [nf_tables]
[ 246.752502] ? sched_clock_cpu+0x144/0x180
[ ... ]
Fixes:
|
History
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| arch | ||
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| include | ||
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| ipc | ||
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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.
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.