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author | Eric Dumazet <edumazet@google.com> | 2019-09-18 08:05:39 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-05 13:13:17 +0200 |
commit | da0d6e47c20d84b6156473461a0d3680ba6b4f9f (patch) | |
tree | fdc7002791b60f41d6bfe6b611b8347d3cbede4a /tools | |
parent | 9f64c6630929952bfde9d700d759867f48569e98 (diff) | |
download | linux-stable-da0d6e47c20d84b6156473461a0d3680ba6b4f9f.tar.gz linux-stable-da0d6e47c20d84b6156473461a0d3680ba6b4f9f.tar.bz2 linux-stable-da0d6e47c20d84b6156473461a0d3680ba6b4f9f.zip |
sch_netem: fix a divide by zero in tabledist()
[ Upstream commit b41d936b5ecfdb3a4abc525ce6402a6c49cffddc ]
syzbot managed to crash the kernel in tabledist() loading
an empty distribution table.
t = dist->table[rnd % dist->size];
Simply return an error when such load is attempted.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools')
0 files changed, 0 insertions, 0 deletions