- 13 Nov, 2013 20 commits
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Dan Carpenter authored
commit 201f99f1 upstream. We don't cap the size of buffer from the user so we could write past the end of the array here. Only root can write to this file. Reported-by:
Nico Golde <nico@ngolde.de> Reported-by:
Fabian Yamaguchi <fabs@goesec.de> Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dan Carpenter authored
commit 8d1e7225 upstream. The DevInfo.u32Reserved[] array isn't initialized so it leaks kernel information to user space. Reported-by:
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Dan Carpenter authored
commit c2c65cd2 upstream. We need to check "count" so we don't overflow the ei->data buffer. Reported-by:
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Takashi Iwai authored
commit ff18620c upstream. ... due to a copy & paste error. Spotted by coverity CID 710923. Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Mark Brown <broonie@linaro.org> Signed-off-by:
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Takashi Iwai authored
commit 268ff145 upstream. Spotted by coverity CID 115170. Signed-off-by:
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Russell King authored
commit a4461f41 upstream. Unable to handle kernel NULL pointer dereference at virtual address 00000008 pgd = d5300000 [00000008] *pgd=0d265831, *pte=00000000, *ppte=00000000 Internal error: Oops: 17 [#1] PREEMPT ARM CPU: 0 PID: 2295 Comm: vlc Not tainted 3.11.0+ #755 task: dee74800 ti: e213c000 task.ti: e213c000 PC is at snd_pcm_info+0xc8/0xd8 LR is at 0x30232065 pc : [<c031b52c>] lr : [<30232065>] psr: a0070013 sp : e213dea8 ip : d81cb0d0 fp : c05f7678 r10: c05f7770 r9 : fffffdfd r8 : 00000000 r7 : d8a968a8 r6 : d8a96800 r5 : d8a96200 r4 : d81cb000 r3 : 00000000 r2 : d81cb000 r1 : 00000001 r0 : d8a96200 Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c5387d Table: 15300019 DAC: 00000015 Process vlc (pid: 2295, stack limit = 0xe213c248) [<c031b52c>] (snd_pcm_info) from [<c031b570>] (snd_pcm_info_user+0x34/0x9c) [<c031b570>] (snd_pcm_info_user) from [<c03164a4>] (snd_pcm_control_ioctl+0x274/0x280) [<c03164a4>] (snd_pcm_control_ioctl) from [<c0311458>] (snd_ctl_ioctl+0xc0/0x55c) [<c0311458>] (snd_ctl_ioctl) from [<c00eca84>] (do_vfs_ioctl+0x80/0x31c) [<c00eca84>] (do_vfs_ioctl) from [<c00ecd5c>] (SyS_ioctl+0x3c/0x60) [<c00ecd5c>] (SyS_ioctl) from [<c000e500>] (ret_fast_syscall+0x0/0x48) Code: e1a00005 e59530dc e3a01001 e1a02004 (e5933008) ---[ end trace cb3d9bdb8dfefb3c ]--- This is provoked when the ASoC front end is open along with its backend, (which causes the backend to have a runtime assigned to it) and then the SNDRV_CTL_IOCTL_PCM_INFO is requested for the (visible) backend device. Resolve this by ensuring that ASoC internal backend devices are not visible to userspace, just as the commentry for snd_pcm_new_internal() says it should be. Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk> Acked-by:
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Takashi Iwai authored
commit 6fc16e58 upstream. ASUS N76VZ needs the same fixup as N56VZ for supporting the boost speaker. Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=846529Signed-off-by:
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Helge Deller authored
commit 54e181e0 upstream. Since the beginning of the parisc-linux port, sometimes 64bit SMP kernels were not able to bring up other CPUs than the monarch CPU and instead crashed the kernel. The reason was unclear, esp. since it involved various machines (e.g. J5600, J6750 and SuperDome). Testing showed, that those crashes didn't happened when less than 4GB were installed, or if a 32bit Linux kernel was booted. In the end, the fix for those SMP problems is trivial: During the early phase of the initialization of the CPUs, including the monarch CPU, the PDC_PSW firmware function to enable WIDE (=64bit) mode is called. It's documented that this firmware function may clobber various registers, and one one of those possibly clobbered registers is %cr30 which holds the task thread info pointer. Now, if %cr30 would always have been clobbered, then this bug would have been detected much earlier. But lots of testing finally showed, that - at least for %cr30 - on some machines only the upper 32bits of the 64bit register suddenly turned zero after the firmware call. So, after finding the root cause, the explanation for the various crashes became clear: - On 32bit SMP Linux kernels all upper 32bit were zero, so we didn't faced this problem. - Monarch CPUs in 64bit mode always booted sucessfully, because the inital task thread info pointer was below 4GB. - Secondary CPUs booted sucessfully on machines with less than 4GB RAM because the upper 32bit were zero anyay. - Secondary CPus failed to boot if we had more than 4GB RAM and the task thread info pointer was located above the 4GB boundary. Finally, the patch to fix this problem is trivial by saving the %cr30 register before the firmware call and restoring it afterwards. Signed-off-by:
Helge Deller <deller@gmx.de> Signed-off-by:
John David Anglin <dave.anglin@bell.net> Signed-off-by:
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Thomas Gleixner authored
commit 97b94106 upstream. Marc Kleine-Budde pointed out, that commit 77cc982f "clocksource: use clockevents_config_and_register() where possible" caused a regression for some of the converted subarchs. The reason is, that the clockevents core code converts the minimal hardware tick delta to a nanosecond value for core internal usage. This conversion is affected by integer math rounding loss, so the backwards conversion to hardware ticks will likely result in a value which is less than the configured hardware limitation. The affected subarchs used their own workaround (SIGH!) which got lost in the conversion. The solution for the issue at hand is simple: adding evt->mult - 1 to the shifted value before the integer divison in the core conversion function takes care of it. But this only works for the case where for the scaled math mult/shift pair "mult <= 1 << shift" is true. For the case where "mult > 1 << shift" we can apply the rounding add only for the minimum delta value to make sure that the backward conversion is not less than the given hardware limit. For the upper bound we need to omit the rounding add, because the backwards conversion is always larger than the original latch value. That would violate the upper bound of the hardware device. Though looking closer at the details of that function reveals another bogosity: The upper bounds check is broken as well. Checking for a resulting "clc" value greater than KTIME_MAX after the conversion is pointless. The conversion does: u64 clc = (latch << evt->shift) / evt->mult; So there is no sanity check for (latch << evt->shift) exceeding the 64bit boundary. The latch argument is "unsigned long", so on a 64bit arch the handed in argument could easily lead to an unnoticed shift overflow. With the above rounding fix applied the calculation before the divison is: u64 clc = (latch << evt->shift) + evt->mult - 1; So we need to make sure, that neither the shift nor the rounding add is overflowing the u64 boundary. [ukl: move assignment to rnd after eventually changing mult, fix build issue and correct comment with the right math] Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Cc: Russell King - ARM Linux <linux@arm.linux.org.uk> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Cc: nicolas.ferre@atmel.com Cc: Marc Pignat <marc.pignat@hevs.ch> Cc: john.stultz@linaro.org Cc: kernel@pengutronix.de Cc: Ronald Wahl <ronald.wahl@raritan.com> Cc: LAK <linux-arm-kernel@lists.infradead.org> Cc: Ludovic Desroches <ludovic.desroches@atmel.com> Link: http://lkml.kernel.org/r/1380052223-24139-1-git-send-email-u.kleine-koenig@pengutronix.deSigned-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by:
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Lukasz Dorau authored
commit 61e4947c upstream. Since: commit 7ceb17e8 md: Allow devices to be re-added to a read-only array. spares are activated on a read-only array. In case of raid1 and raid10 personalities it causes that not-in-sync devices are marked in-sync without checking if recovery has been finished. If a read-only array is degraded and one of its devices is not in-sync (because the array has been only partially recovered) recovery will be skipped. This patch adds checking if recovery has been finished before marking a device in-sync for raid1 and raid10 personalities. In case of raid5 personality such condition is already present (at raid5.c:6029). Bug was introduced in 3.10 and causes data corruption. Signed-off-by:
Pawel Baldysiak <pawel.baldysiak@intel.com> Signed-off-by:
Lukasz Dorau <lukasz.dorau@intel.com> Signed-off-by:
NeilBrown <neilb@suse.de> Signed-off-by:
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Gwendal Grignou authored
commit f13e2201 upstream. libata EH decrements scmd->retries when the command failed for reasons unrelated to the command itself so that, for example, commands aborted due to suspend / resume cycle don't get penalized; however, decrementing scmd->retries isn't enough for ATA passthrough commands. Without this fix, ATA passthrough commands are not resend to the drive, and no error is signalled to the caller because: - allowed retry count is 1 - ata_eh_qc_complete fill the sense data, so result is valid - sense data is filled with untouched ATA registers. Signed-off-by:
Gwendal Grignou <gwendal@google.com> Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Marc Kleine-Budde authored
commit d5a7b406 upstream. In patch 0d1862ea can: flexcan: fix flexcan_chip_start() on imx6 the loop in flexcan_chip_start() that iterates over all mailboxes after the soft reset of the CAN core was removed. This loop put all mailboxes (even the ones marked as reserved 1...7) into EMPTY/INACTIVE mode. On mailboxes 8...63, this aborts any pending TX messages. After a cold boot there is random garbage in the mailboxes, which leads to spontaneous transmit of CAN frames during first activation. Further if the interface was disabled with a pending message (usually due to an error condition on the CAN bus), this message is retransmitted after enabling the interface again. This patch fixes the regression by: 1) Limiting the maximum number of used mailboxes to 8, 0...7 are used by the RX FIFO, 8 is used by TX. 2) Marking the TX mailbox as EMPTY/INACTIVE, so that any pending TX of that mailbox is aborted. Cc: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by:
Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by:
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Dave Kleikamp authored
commit 86609986 upstream. If insert_inode_locked() fails, we shouldn't be calling unlock_new_inode(). Signed-off-by:
Dave Kleikamp <dave.kleikamp@oracle.com> Tested-by:
Michael L. Semon <mlsemon35@gmail.com> Signed-off-by:
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Mark Cave-Ayland authored
commit 9473ca6e upstream. An error in calculating the offset in an skb causes the driver to read essential device info from the wrong locations. The main effect is that automatic gain calculations are nonsense. Signed-off-by:
Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Felix Fietkau authored
commit 0c5b9329 upstream. When clients are idle for too long, hostapd sends nullfunc frames for probing. When those are acked by the client, the idle time needs to be updated. To make this work (and to avoid unnecessary probing), update sta->last_rx whenever an ACK was received for a tx packet. Only do this if the flag IEEE80211_HW_REPORTS_TX_ACK_STATUS is set. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Emmanuel Grumbach authored
commit a754055a upstream. __ieee80211_scan_completed is called from a worker. This means that the following flow is possible. * driver calls ieee80211_scan_completed * mac80211 cancels the scan (that is already complete) * __ieee80211_scan_completed runs When scan_work will finally run, it will see that the scan hasn't been aborted and might even trigger another scan on another band. This leads to a situation where cfg80211's scan is not done and no further scan can be issued. Fix this by setting a new flag when a HW scan is being cancelled so that no other scan will be triggered. Signed-off-by:
Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by:
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Алексей Крамаренко authored
commit e1466ad5 upstream. Custom VID/PID for Z3X Box device, popular tool for cellphone flashing. Signed-off-by:
Alexey E. Kramarenko <alexeyk13@yandex.ru> Signed-off-by:
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Oliver Neukum authored
commit 614ced91 upstream. The device descriptors are messed up after remote wakeup Signed-off-by:
Oliver Neukum <oneukum@suse.de> Signed-off-by:
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Oliver Neukum authored
commit 4294bca7 upstream. The device is not responsive when resumed, unless it is reset. Signed-off-by:
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Fangxiaozhi (Franko) authored
commit d544db29 upstream. Add new supporting declarations to option.c, to support Huawei new devices with new bInterfaceSubClass value. Signed-off-by:
fangxiaozhi <huananhu@huawei.com> Signed-off-by:
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- 04 Nov, 2013 20 commits
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Greg Kroah-Hartman authored
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Enrico Mioso authored
commit fd8573f5 upstream. Interface 6 of this device speaks QMI as per tests done by us. Credits go to Antonella for providing the hardware. Signed-off-by:
Enrico Mioso <mrkiko.rs@gmail.com> Signed-off-by:
Antonella Pellizzari <anto.pellizzari83@gmail.com> Tested-by:
Dan Williams <dcbw@redhat.com> Signed-off-by:
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Greg Kroah-Hartman authored
commit f4c19b8e upstream. This patch adds the device id for the Inovia SEW858 device to the option driver. Reported-by:
Pavel Parkhomenko <ra85551@gmail.com> Tested-by:
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Diego Elio Pettenò authored
commit c9d09dc7 upstream. Without this change, the USB cable for Freestyle Option and compatible glucometers will not be detected by the driver. Signed-off-by:
Diego Elio Pettenò <flameeyes@flameeyes.eu> Signed-off-by:
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Johannes Berg authored
commit f5563318 upstream. When parsing an invalid radiotap header, the parser can overrun the buffer that is passed in because it doesn't correctly check 1) the minimum radiotap header size 2) the space for extended bitmaps The first issue doesn't affect any in-kernel user as they all check the minimum size before calling the radiotap function. The second issue could potentially affect the kernel if an skb is passed in that consists only of the radiotap header with a lot of extended bitmaps that extend past the SKB. In that case a read-only buffer overrun by at most 4 bytes is possible. Fix this by adding the appropriate checks to the parser. Reported-by:
Evan Huus <eapache@gmail.com> Signed-off-by:
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Fengguang Wu authored
commit e3b6c655 upstream. Toralf runs trinity on UML/i386. After some time it hangs and the last message line is BUG: soft lockup - CPU#0 stuck for 22s! [trinity-child0:1521] It's found that pages_dirtied becomes very large. More than 1000000000 pages in this case: period = HZ * pages_dirtied / task_ratelimit; BUG_ON(pages_dirtied > 2000000000); BUG_ON(pages_dirtied > 1000000000); <--------- UML debug printf shows that we got negative pause here: ick: pause : -984 ick: pages_dirtied : 0 ick: task_ratelimit: 0 pause: + if (pause < 0) { + extern int printf(char *, ...); + printf("ick : pause : %li\n", pause); + printf("ick: pages_dirtied : %lu\n", pages_dirtied); + printf("ick: task_ratelimit: %lu\n", task_ratelimit); + BUG_ON(1); + } trace_balance_dirty_pages(bdi, Since pause is bounded by [min_pause, max_pause] where min_pause is also bounded by max_pause. It's suspected and demonstrated that the max_pause calculation goes wrong: ick: pause : -717 ick: min_pause : -177 ick: max_pause : -717 ick: pages_dirtied : 14 ick: task_ratelimit: 0 The problem lies in the two "long = unsigned long" assignments in bdi_max_pause() which might go negative if the highest bit is 1, and the min_t(long, ...) check failed to protect it falling under 0. Fix all of them by using "unsigned long" throughout the function. Signed-off-by:
Fengguang Wu <fengguang.wu@intel.com> Reported-by:
Toralf Förster <toralf.foerster@gmx.de> Tested-by:
Jan Kara <jack@suse.cz> Cc: Richard Weinberger <richard@nod.at> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Mikulas Patocka authored
commit e9c6a182 upstream. This patch fixes a particular type of data corruption that has been encountered when loading a snapshot's metadata from disk. When we allocate a new chunk in persistent_prepare, we increment ps->next_free and we make sure that it doesn't point to a metadata area by further incrementing it if necessary. When we load metadata from disk on device activation, ps->next_free is positioned after the last used data chunk. However, if this last used data chunk is followed by a metadata area, ps->next_free is positioned erroneously to the metadata area. A newly-allocated chunk is placed at the same location as the metadata area, resulting in data or metadata corruption. This patch changes the code so that ps->next_free skips the metadata area when metadata are loaded in function read_exceptions. The patch also moves a piece of code from persistent_prepare_exception to a separate function skip_metadata to avoid code duplication. CVE-2013-4299 Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Cc: Mike Snitzer <snitzer@redhat.com> Signed-off-by:
Alasdair G Kergon <agk@redhat.com> Signed-off-by:
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Eric Sandeen authored
commit d7dab39b upstream. This is based on commit d1f5273e ext4: return 32/64-bit dir name hash according to usage type by Fan Yong <yong.fan@whamcloud.com> Traditionally ext2/3/4 has returned a 32-bit hash value from llseek() to appease NFSv2, which can only handle a 32-bit cookie for seekdir() and telldir(). However, this causes problems if there are 32-bit hash collisions, since the NFSv2 server can get stuck resending the same entries from the directory repeatedly. Allow ext3 to return a full 64-bit hash (both major and minor) for telldir to decrease the chance of hash collisions. This patch does implement a new ext3_dir_llseek op, because with 64-bit hashes, nfs will attempt to seek to a hash "offset" which is much larger than ext3's s_maxbytes. So for dx dirs, we call generic_file_llseek_size() with the appropriate max hash value as the maximum seekable size. Otherwise we just pass through to generic_file_llseek(). Patch-updated-by:
Bernd Schubert <bernd.schubert@itwm.fraunhofer.de> Patch-updated-by:
Eric Sandeen <sandeen@redhat.com> (blame us if something is not correct) Signed-off-by:
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Mariusz Ceier authored
[ Upstream commit d69e0f7e ] When IFF_ALLMULTI flag is set on interface and IFF_PROMISC isn't, emac_dev_mcast_set should only enable RX of multicasts and reset MACHASH registers. It does this, but afterwards it either sets up multicast MACs filtering or disables RX of multicasts and resets MACHASH registers again, rendering IFF_ALLMULTI flag useless. This patch fixes emac_dev_mcast_set, so that multicast MACs filtering and disabling of RX of multicasts are skipped when IFF_ALLMULTI flag is set. Tested with kernel 2.6.37. Signed-off-by:
Mariusz Ceier <mceier+kernel@gmail.com> Acked-by:
Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Hannes Frederic Sowa authored
[ This is a simplified -stable version of a set of upstream commits. ] This is a replacement patch only for stable which does fix the problems handled by the following two commits in -net: "ip_output: do skb ufo init for peeked non ufo skb as well" (e93b7d74) "ip6_output: do skb ufo init for peeked non ufo skb as well" (c547dbf5) Three frames are written on a corked udp socket for which the output netdevice has UFO enabled. If the first and third frame are smaller than the mtu and the second one is bigger, we enqueue the second frame with skb_append_datato_frags without initializing the gso fields. This leads to the third frame appended regulary and thus constructing an invalid skb. This fixes the problem by always using skb_append_datato_frags as soon as the first frag got enqueued to the skb without marking the packet as SKB_GSO_UDP. The problem with only two frames for ipv6 was fixed by "ipv6: udp packets following an UFO enqueued packet need also be handled by UFO" (2811ebac). Cc: Jiri Pirko <jiri@resnulli.us> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: David Miller <davem@davemloft.net> Signed-off-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
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Seif Mazareeb authored
[ Upstream commit f2e5ddcc ] When CONFIG_NETLABEL is disabled, the cipso_v4_validate() function could loop forever in the main loop if opt[opt_iter +1] == 0, this will causing a kernel crash in an SMP system, since the CPU executing this function will stall /not respond to IPIs. This problem can be reproduced by running the IP Stack Integrity Checker (http://isic.sourceforge.net) using the following command on a Linux machine connected to DUT: "icmpsic -s rand -d <DUT IP address> -r 123456" wait (1-2 min) Signed-off-by:
Seif Mazareeb <seif@marvell.com> Acked-by:
Paul Moore <paul@paul-moore.com> Signed-off-by:
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Daniel Borkmann authored
[ Upstream commit 90c6bd34 ] In the case of credentials passing in unix stream sockets (dgram sockets seem not affected), we get a rather sparse race after commit 16e57262 ("af_unix: dont send SCM_CREDENTIALS by default"). We have a stream server on receiver side that requests credential passing from senders (e.g. nc -U). Since we need to set SO_PASSCRED on each spawned/accepted socket on server side to 1 first (as it's not inherited), it can happen that in the time between accept() and setsockopt() we get interrupted, the sender is being scheduled and continues with passing data to our receiver. At that time SO_PASSCRED is neither set on sender nor receiver side, hence in cmsg's SCM_CREDENTIALS we get eventually pid:0, uid:65534, gid:65534 (== overflow{u,g}id) instead of what we actually would like to see. On the sender side, here nc -U, the tests in maybe_add_creds() invoked through unix_stream_sendmsg() would fail, as at that exact time, as mentioned, the sender has neither SO_PASSCRED on his side nor sees it on the server side, and we have a valid 'other' socket in place. Thus, sender believes it would just look like a normal connection, not needing/requesting SO_PASSCRED at that time. As reverting 16e57262 would not be an option due to the significant performance regression reported when having creds always passed, one way/trade-off to prevent that would be to set SO_PASSCRED on the listener socket and allow inheriting these flags to the spawned socket on server side in accept(). It seems also logical to do so if we'd tell the listener socket to pass those flags onwards, and would fix the race. Before, strace: recvmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"blub\n", 4096}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=0, uid=65534, gid=65534}}, msg_flags=0}, 0) = 5 After, strace: recvmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"blub\n", 4096}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=11580, uid=1000, gid=1000}}, msg_flags=0}, 0) = 5 Signed-off-by:
Daniel Borkmann <dborkman@redhat.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
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Salva Peiró authored
[ Upstream commit 2b13d06c ] The wanxl_ioctl() code fails to initialize the two padding bytes of struct sync_serial_settings after the ->loopback member. Add an explicit memset(0) before filling the structure to avoid the info leak. Signed-off-by:
Salva Peiró <speiro@ai2.upv.es> Signed-off-by:
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Vlad Yasevich authored
[ Upstream commit d2dbbba7 ] IP/IPv6 fragmentation knows how to compute only TCP/UDP checksum. This causes problems if SCTP packets has to be fragmented and ipsummed has been set to PARTIAL due to checksum offload support. This condition can happen when retransmitting after MTU discover, or when INIT or other control chunks are larger then MTU. Check for the rare fragmentation condition in SCTP and use software checksum calculation in this case. CC: Fan Du <fan.du@windriver.com> Signed-off-by:
Vlad Yasevich <vyasevich@gmail.com> Acked-by:
Neil Horman <nhorman@tuxdriver.com> Signed-off-by:
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Fan Du authored
[ Upstream commit 27127a82 ] igb/ixgbe have hardware sctp checksum support, when this feature is enabled and also IPsec is armed to protect sctp traffic, ugly things happened as xfrm_output checks CHECKSUM_PARTIAL to do checksum operation(sum every thing up and pack the 16bits result in the checksum field). The result is fail establishment of sctp communication. Signed-off-by:
Fan Du <fan.du@windriver.com> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by:
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Vlad Yasevich authored
[ Upstream commit e87b3998 ] dst->xfrm is conditionally defined. Provide accessor funtion that is always available. Signed-off-by:
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Eric Dumazet authored
[ Upstream commit 60e66fee ] RPS support is kind of broken on bnx2x, because only non LRO packets get proper rx queue information. This triggers reorders, as it seems bnx2x like to generate a non LRO packet for segment including TCP PUSH flag : (this might be pure coincidence, but all the reorders I've seen involve segments with a PUSH) 11:13:34.335847 IP A > B: . 415808:447136(31328) ack 1 win 457 <nop,nop,timestamp 3789336 3985797> 11:13:34.335992 IP A > B: . 447136:448560(1424) ack 1 win 457 <nop,nop,timestamp 3789336 3985797> 11:13:34.336391 IP A > B: . 448560:479888(31328) ack 1 win 457 <nop,nop,timestamp 3789337 3985797> 11:13:34.336425 IP A > B: P 511216:512640(1424) ack 1 win 457 <nop,nop,timestamp 3789337 3985798> 11:13:34.336423 IP A > B: . 479888:511216(31328) ack 1 win 457 <nop,nop,timestamp 3789337 3985798> 11:13:34.336924 IP A > B: . 512640:543968(31328) ack 1 win 457 <nop,nop,timestamp 3789337 3985798> 11:13:34.336963 IP A > B: . 543968:575296(31328) ack 1 win 457 <nop,nop,timestamp 3789337 3985798> We must call skb_record_rx_queue() to properly give to RPS (and more generally for TX queue selection on forward path) the receive queue information. Similar fix is needed for skb_mark_napi_id(), but will be handled in a separate patch to ease stable backports. Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Willem de Bruijn <willemb@google.com> Cc: Eilon Greenstein <eilong@broadcom.com> Acked-by:
Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by:
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Mathias Krause authored
[ Upstream commit 162b2bed ] The current code tests the length of the whole netlink message to be at least as long to fit a cn_msg. This is wrong as nlmsg_len includes the length of the netlink message header. Use nlmsg_len() instead to fix this "off-by-NLMSG_HDRLEN" size check. Signed-off-by:
Mathias Krause <minipli@googlemail.com> Signed-off-by:
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Mathias Krause authored
[ Upstream commit 6865d1e8 ] When filling the netlink message we miss to wipe the pad field, therefore leak one byte of heap memory to userland. Fix this by setting pad to 0. Signed-off-by:
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Salva Peiró authored
[ Upstream commit 96b34040 ] The fst_get_iface() code fails to initialize the two padding bytes of struct sync_serial_settings after the ->loopback member. Add an explicit memset(0) before filling the structure to avoid the info leak. Signed-off-by:
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