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authorEric Dumazet <edumazet@google.com>2017-02-04 11:16:52 -0800
committerDavid S. Miller <davem@davemloft.net>2017-02-04 19:42:28 -0500
commit34b2cef20f19c87999fff3da4071e66937db9644 (patch)
tree8511da9643a776f79e6ec8e99bf438444e19c49c /include/trace/events/target.h
parent5fa8bbda38c668e56b0c6cdecced2eac2fe36dec (diff)
ipv4: keep skb->dst around in presence of IP options
Andrey Konovalov got crashes in __ip_options_echo() when a NULL skb->dst is accessed. ipv4_pktinfo_prepare() should not drop the dst if (evil) IP options are present. We could refine the test to the presence of ts_needtime or srr, but IP options are not often used, so let's be conservative. Thanks to syzkaller team for finding this bug. Fixes: d826eb14ecef ("ipv4: PKTINFO doesnt need dst reference") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/trace/events/target.h')
0 files changed, 0 insertions, 0 deletions
like storage got removed due to the Y2038 limitations some time ago. That leaves the odd union access around for no reason. Clean it up. Both changes have been done with coccinelle and a small amount of manual mopping up" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: ktime: Get rid of ktime_equal() ktime: Cleanup ktime_set() usage ktime: Get rid of the union clocksource: Use a plain u64 instead of cycle_t
Diffstat (limited to 'include/drm/drm_drv.h')