Guillaume Nault 721c8dafad tcp: Protect accesses to .ts_recent_stamp with {READ,WRITE}_ONCE() ...

Syncookies borrow the ->rx_opt.ts_recent_stamp field to store the
timestamp of the last synflood. Protect them with READ_ONCE() and
WRITE_ONCE() since reads and writes aren't serialised.

Use of .rx_opt.ts_recent_stamp for storing the synflood timestamp was
introduced by a0f82f64e2 ("syncookies: remove last_synq_overflow from
struct tcp_sock"). But unprotected accesses were already there when
timestamp was stored in .last_synq_overflow.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2019-12-06 21:05:14 -08:00

..

acpi

Merge branches 'acpi-utils', 'acpi-platform', 'acpi-video' and 'acpi-doc'

2019-11-26 10:30:49 +01:00

asm-generic

Merge branch 'akpm' (patches from Andrew)

2019-12-01 20:36:41 -08:00

clocksource

x86/hyperv: Initialize clockevents earlier in CPU onlining

2019-11-15 10:33:49 +01:00

crypto

crypto: ablkcipher - remove deprecated and unused ablkcipher support

2019-11-17 09:02:49 +08:00

drm

Merge tag 'drm-vmwgfx-coherent-2019-11-29' of git://anongit.freedesktop.org/drm/drm

2019-11-30 09:38:11 -08:00

dt-bindings

Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

2019-12-01 16:06:02 -08:00

keys

Merge tag 'powerpc-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2019-11-30 14:35:43 -08:00

kunit

…

kvm

Merge remote-tracking branch 'kvmarm/misc-5.5' into kvmarm/next

2019-11-08 11:27:29 +00:00

linux

tcp: fix rejected syncookies due to stale timestamps

2019-12-06 21:05:14 -08:00

math-emu

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media

Merge tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm

2019-11-27 17:45:48 -08:00

misc

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net

tcp: Protect accesses to .ts_recent_stamp with {READ,WRITE}_ONCE()

2019-12-06 21:05:14 -08:00

pcmcia

…

ras

…

rdma

Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

2019-11-30 10:33:14 -08:00

scsi

Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi into for-5.5/drivers-post

2019-11-07 06:43:18 -07:00

soc

net: mscc: ocelot: use skb queue instead of skbs list

2019-11-27 10:53:37 -08:00

sound

Merge tag 'asoc-v5.5-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

2019-11-25 14:27:41 +01:00

target

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trace

Merge branch 'akpm' (patches from Andrew)

2019-12-01 20:36:41 -08:00

uapi

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

2019-12-01 18:20:54 -08:00

vdso

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video

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xen

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

Kbuild

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2019-11-25 18:02:36 -08:00