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2018-05-02bpf, x64: fix memleak when not converging after imageDaniel Borkmann
While reviewing x64 JIT code, I noticed that we leak the prior allocated JIT image in the case where proglen != oldproglen during the JIT passes. Prior to the commit e0ee9c12157d ("x86: bpf_jit: fix two bugs in eBPF JIT compiler") we would just break out of the loop, and using the image as the JITed prog since it could only shrink in size anyway. After e0ee9c12157d, we would bail out to out_addrs label where we free addrs and jit_data but not the image coming from bpf_jit_binary_alloc(). Fixes: e0ee9c12157d ("x86: bpf_jit: fix two bugs in eBPF JIT compiler") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-05-02drm/bridge: vga-dac: Fix edid memory leakSean Paul
edid should be freed once it's finished being used. Fixes: 56fe8b6f4991 ("drm/bridge: Add RGB to VGA bridge support") Cc: Rob Herring <robh@kernel.org> Cc: Sean Paul <seanpaul@chromium.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Archit Taneja <architt@codeaurora.org> Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: <stable@vger.kernel.org> # v4.9+ Reviewed-by: Maxime Ripard <maxime.ripard@bootlin.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180420190007.1572-1-seanpaul@chromium.org
2018-05-02net/smc: restrict non-blocking connect finishUrsula Braun
The smc_poll code tries to finish connect() if the socket is in state SMC_INIT and polling of the internal CLC-socket returns with EPOLLOUT. This makes sense for a select/poll call following a connect call, but not without preceding connect(). With this patch smc_poll starts connect logic only, if the CLC-socket is no longer in its initial state TCP_CLOSE. In addition, a poll error on the internal CLC-socket is always propagated to the SMC socket. With this patch the code path mentioned by syzbot https://syzkaller.appspot.com/bug?extid=03faa2dc16b8b64be396 is no longer possible. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Reported-by: syzbot+03faa2dc16b8b64be396@syzkaller.appspotmail.com Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-028139too: Use disable_irq_nosync() in rtl8139_poll_controller()Ingo Molnar
Use disable_irq_nosync() instead of disable_irq() as this might be called in atomic context with netpoll. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-02ARM: exynos: Remove support for Exynos5440Krzysztof Kozlowski
The Exynos5440 is not actively developed, there are no development boards available and probably there are no real products with it. Remove wide-tree support for Exynos5440. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2018-05-02xfs: cap the length of deduplication requestsDarrick J. Wong
Since deduplication potentially has to read in all the pages in both files in order to compare the contents, cap the deduplication request length at MAX_RW_COUNT/2 (roughly 1GB) so that we have /some/ upper bound on the request length and can't just lock up the kernel forever. Found by running generic/304 after commit 1ddae54555b62 ("common/rc: add missing 'local' keywords"). Reported-by: matorola@gmail.com Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
2018-05-03modpost: delete stale commentRasmus Villemoes
Commit 7840fea200cd ("kbuild: Fix computing srcversion for modules") fixed the comment above parse_source_files to refer to the new source_ line, but left this one behind that could still give the impression that drivers/net/dummy.c appears in the deps_ variable. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-05-02sctp: fix the issue that the cookie-ack with auth can't get processedXin Long
When auth is enabled for cookie-ack chunk, in sctp_inq_pop, sctp processes auth chunk first, then continues to the next chunk in this packet if chunk_end + chunk_hdr size < skb_tail_pointer(). Otherwise, it will go to the next packet or discard this chunk. However, it missed the fact that cookie-ack chunk's size is equal to chunk_hdr size, which couldn't match that check, and thus this chunk would not get processed. This patch fixes it by changing the check to chunk_end + chunk_hdr size <= skb_tail_pointer(). Fixes: 26b87c788100 ("net: sctp: fix remote memory pressure from excessive queueing") Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-02sctp: use the old asoc when making the cookie-ack chunk in dupcook_dXin Long
When processing a duplicate cookie-echo chunk, for case 'D', sctp will not process the param from this chunk. It means old asoc has nothing to be updated, and the new temp asoc doesn't have the complete info. So there's no reason to use the new asoc when creating the cookie-ack chunk. Otherwise, like when auth is enabled for cookie-ack, the chunk can not be set with auth, and it will definitely be dropped by peer. This issue is there since very beginning, and we fix it by using the old asoc instead. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-02sctp: init active key for the new asoc in dupcook_a and dupcook_bXin Long
When processing a duplicate cookie-echo chunk, for case 'A' and 'B', after sctp_process_init for the new asoc, if auth is enabled for the cookie-ack chunk, the active key should also be initialized. Otherwise, the cookie-ack chunk made later can not be set with auth shkey properly, and a crash can even be caused by this, as after Commit 1b1e0bc99474 ("sctp: add refcnt support for sh_key"), sctp needs to hold the shkey when making control chunks. Fixes: 1b1e0bc99474 ("sctp: add refcnt support for sh_key") Reported-by: Jianwen Ji <jiji@redhat.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-02tcp_bbr: fix to zero idle_restart only upon S/ACKed dataNeal Cardwell
Previously the bbr->idle_restart tracking was zeroing out the bbr->idle_restart bit upon ACKs that did not SACK or ACK anything, e.g. receiving incoming data or receiver window updates. In such situations BBR would forget that this was a restart-from-idle situation, and if the min_rtt had expired it would unnecessarily enter PROBE_RTT (even though we were actually restarting from idle but had merely forgotten that fact). The fix is simple: we need to remember we are restarting from idle until we receive a S/ACK for some data (a S/ACK for the first flight of data we send as we are restarting). This commit is a stable candidate for kernels back as far as 4.9. Fixes: 0f8782ea1497 ("tcp_bbr: add BBR congestion control") Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: Priyaranjan Jha <priyarjha@google.com> Signed-off-by: Yousuk Seung <ysseung@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-02net: ethernet: ti: cpsw: fix packet leaking in dual_mac modeGrygorii Strashko
In dual_mac mode packets arrived on one port should not be forwarded by switch hw to another port. Only Linux Host can forward packets between ports. The below test case (reported in [1]) shows that packet arrived on one port can be leaked to anoter (reproducible with dual port evms): - connect port 1 (eth0) to linux Host 0 and run tcpdump or Wireshark - connect port 2 (eth1) to linux Host 1 with vlan 1 configured - ping <IPx> from Host 1 through vlan 1 interface. ARP packets will be seen on Host 0. Issue happens because dual_mac mode is implemnted using two vlans: 1 (Port 1+Port 0) and 2 (Port 2+Port 0), so there are vlan records created for for each vlan. By default, the ALE will find valid vlan record in its table when vlan 1 tagged packet arrived on Port 2 and so forwards packet to all ports which are vlan 1 members (like Port. To avoid such behaviorr the ALE VLAN ID Ingress Check need to be enabled for each external CPSW port (ALE_PORTCTLn.VID_INGRESS_CHECK) so ALE will drop ingress packets if Rx port is not VLAN member. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-02x86/cpu: Restore CPUID_8000_0008_EBX reloadThomas Gleixner
The recent commt which addresses the x86_phys_bits corruption with encrypted memory on CPUID reload after a microcode update lost the reload of CPUID_8000_0008_EBX as well. As a consequence IBRS and IBRS_FW are not longer detected Restore the behaviour by bringing the reload of CPUID_8000_0008_EBX back. This restore has a twist due to the convoluted way the cpuid analysis works: CPUID_8000_0008_EBX is used by AMD to enumerate IBRB, IBRS, STIBP. On Intel EBX is not used. But the speculation control code sets the AMD bits when running on Intel depending on the Intel specific speculation control bits. This was done to use the same bits for alternatives. The change which moved the 8000_0008 evaluation out of get_cpu_cap() broke this nasty scheme due to ordering. So that on Intel the store to CPUID_8000_0008_EBX clears the IBRB, IBRS, STIBP bits which had been set before by software. So the actual CPUID_8000_0008_EBX needs to go back to the place where it was and the phys/virt address space calculation cannot touch it. In hindsight this should have used completely synthetic bits for IBRB, IBRS, STIBP instead of reusing the AMD bits, but that's for 4.18. /me needs to find time to cleanup that steaming pile of ... Fixes: d94a155c59c9 ("x86/cpu: Prevent cpuinfo_x86::x86_phys_bits adjustment corruption") Reported-by: Jörg Otte <jrg.otte@gmail.com> Reported-by: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Jörg Otte <jrg.otte@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: kirill.shutemov@linux.intel.com Cc: Borislav Petkov <bp@alien8.de Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1805021043510.1668@nanos.tec.linutronix.de
2018-05-02Revert "vhost: make msg padding explicit"Michael S. Tsirkin
This reverts commit 93c0d549c4c5a7382ad70de6b86610b7aae57406. Unfortunately the padding will break 32 bit userspace. Ouch. Need to add some compat code, revert for now. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-02clocksource: Rework stale commentPeter Zijlstra
AFAICS the hotplug code no longer uses this function. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: len.brown@intel.com Cc: rjw@rjwysocki.net Cc: diego.viola@gmail.com Cc: rui.zhang@intel.com Link: https://lkml.kernel.org/r/20180430100344.656525644@infradead.org
2018-05-02clocksource: Consistent de-rate when marking unstablePeter Zijlstra
When a registered clocksource gets marked unstable the watchdog_kthread will de-rate and re-select the clocksource. Ensure it also de-rates when getting called on an unregistered clocksource. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: len.brown@intel.com Cc: rjw@rjwysocki.net Cc: diego.viola@gmail.com Cc: rui.zhang@intel.com Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20180430100344.594904898@infradead.org
2018-05-02x86/tsc: Fix mark_tsc_unstable()Peter Zijlstra
mark_tsc_unstable() also needs to affect tsc_early, Now that clocksource_mark_unstable() can be used on a clocksource irrespective of its registration state, use it on both tsc_early and tsc. This does however require cs->list to be initialized empty, otherwise it cannot tell the registation state before registation. Fixes: aa83c45762a2 ("x86/tsc: Introduce early tsc clocksource") Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Diego Viola <diego.viola@gmail.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: len.brown@intel.com Cc: rjw@rjwysocki.net Cc: rui.zhang@intel.com Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20180430100344.533326547@infradead.org
2018-05-02clocksource: Initialize cs->wd_listPeter Zijlstra
A number of places relies on list_empty(&cs->wd_list), however the list_head does not get initialized. Do so upon registration, such that thereafter it is possible to rely on list_empty() correctly reflecting the list membership status. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Diego Viola <diego.viola@gmail.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: stable@vger.kernel.org Cc: len.brown@intel.com Cc: rjw@rjwysocki.net Cc: rui.zhang@intel.com Link: https://lkml.kernel.org/r/20180430100344.472662715@infradead.org
2018-05-02clocksource: Allow clocksource_mark_unstable() on unregistered clocksourcesPeter Zijlstra
Because of how the code flips between tsc-early and tsc clocksources it might need to mark one or both unstable. The current code in mark_tsc_unstable() only worked because previously it registered the tsc clocksource once and then never touched it. Since it now unregisters the tsc-early clocksource, it needs to know if a clocksource got unregistered and the current cs->mult test doesn't work for that. Instead use list_empty(&cs->list) to test for registration. Furthermore, since clocksource_mark_unstable() needs to place the cs on the wd_list, it links the cs->list and cs->wd_list serialization. It must not see a clocsource registered (!empty cs->list) but already past dequeue_watchdog(). So place {en,de}queue{,_watchdog}() under the same lock. Provided cs->list is initialized to empty, this then allows us to unconditionally use clocksource_mark_unstable(), regardless of the registration state. Fixes: aa83c45762a2 ("x86/tsc: Introduce early tsc clocksource") Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Diego Viola <diego.viola@gmail.com> Cc: len.brown@intel.com Cc: rjw@rjwysocki.net Cc: diego.viola@gmail.com Cc: rui.zhang@intel.com Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20180502135312.GS12217@hirez.programming.kicks-ass.net
2018-05-02x86/tsc: Always unregister clocksource_tsc_earlyPeter Zijlstra
Don't leave the tsc-early clocksource registered if it errors out early. This was reported by Diego, who on his Core2 era machine got TSC invalidated while it was running with tsc-early (due to C-states). This results in keeping tsc-early with very bad effects. Reported-and-Tested-by: Diego Viola <diego.viola@gmail.com> Fixes: aa83c45762a2 ("x86/tsc: Introduce early tsc clocksource") Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: len.brown@intel.com Cc: rjw@rjwysocki.net Cc: diego.viola@gmail.com Cc: rui.zhang@intel.com Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20180430100344.350507853@infradead.org
2018-05-02irqchip/qcom: Fix check for spurious interruptsAgustin Vega-Frias
When the interrupts for a combiner span multiple registers it must be checked if any interrupts have been asserted on each register before checking for spurious interrupts. Checking each register seperately leads to false positive warnings. [ tglx: Massaged changelog ] Fixes: f20cc9b00c7b ("irqchip/qcom: Add IRQ combiner driver") Signed-off-by: Agustin Vega-Frias <agustinv@codeaurora.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: timur@codeaurora.org Cc: linux-arm-kernel@lists.infradead.org Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/1525184090-26143-1-git-send-email-agustinv@codeaurora.org
2018-05-02mtd: onenand: omap2: Disable DMA for HIGHMEM buffersLadislav Michl
dma_map_single does not work for vmalloc-ed buffers, so disable DMA in this case. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Reported-by: "H. Nikolaus Schaller" <hns@goldelico.com> Tested-by: "H. Nikolaus Schaller" <hns@goldelico.com> Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-05-02swiotlb: fix inversed DMA_ATTR_NO_WARN testMichel Dänzer
The result was printing the warning only when we were explicitly asked not to. Cc: stable@vger.kernel.org Fixes: 0176adb004065d6815a8e67946752df4cd947c5b "swiotlb: refactor coherent buffer allocation" Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com>. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-02pinctrl: sunrisepoint: Align GPIO number space with WindowsMika Westerberg
It turns out that the Windows GPIO driver for Sunrisepoint PCH-H uses similar bank structure than it does for Cannon Lake with the exception that here the bank size is always 24 pins. Starting from pad group E the BIOS/Windows GPIO numbering does not match the hardware anymore but instead there are gaps to make each pad group ("bank") consume exactly 24 pins. Because of this Linux does not use correct pins for GpioIo/GpioIo resources exposed by the BIOS. This patch aligns the GPIO number space with BIOS/Windows to make sure the same numbering scheme is used in Linux as well following what we did already for Intel Cannon Lake. Link: https://bugzilla.redhat.com/show_bug.cgi?id=1543769 Reported-by: Vivien FRASCA <vivien.frasca@gmail.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-05-02pinctrl: cherryview: Associate IRQ descriptors to irqdomainMika Westerberg
When we dropped the custom Linux GPIO translation it resulted that the IRQ numbers changed slightly as well. Normally this would be fine because everyone is expected to use controller relative GPIO numbers and ACPI GpioIo/GpioInt resources. However, there is a certain set of Intel_Strago based Chromebooks where i8042 keyboard controller IRQ number is hardcoded be 182 (this is corrected with newer coreboot but the older ones still have the hardcoded Linux IRQ number). Because of this hardcoded IRQ number keyboard on those systems accidentally broke again. Fix this by iteratively associating IRQ descriptors to the chip irqdomain so that there are no gaps on those systems. Other systems are not affected. Fixes: 03c4749dd6c7 ("gpio / ACPI: Drop unnecessary ACPI GPIO to Linux GPIO translation") Link: https://bugzilla.kernel.org/show_bug.cgi?id=199463 Reported-by: Sultan Alsawaf <sultanxda@gmail.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-05-02pinctrl: meson-axg: fix the range of aobus bankYixun Lan
The GPIOAO bank is range from GPIOAO_0 to GPIOAO_13. Fixes: 83c566806a68 ("pinctrl: meson-axg: Add new pinctrl driver for Meson AXG SoC") Reported-by: Xingyu Chen <xingyu.chen@amlogic.com> Signed-off-by: Yixun Lan <yixun.lan@amlogic.com> Acked-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-05-02Btrfs: send, fix missing truncate for inode with prealloc extent past eofFilipe Manana
An incremental send operation can miss a truncate operation when an inode has an increased size in the send snapshot and a prealloc extent beyond its size. Consider the following scenario where a necessary truncate operation is missing in the incremental send stream: 1) In the parent snapshot an inode has a size of 1282957 bytes and it has no prealloc extents beyond its size; 2) In the the send snapshot it has a size of 5738496 bytes and has a new extent at offsets 1884160 (length of 106496 bytes) and a prealloc extent beyond eof at offset 6729728 (and a length of 339968 bytes); 3) When processing the prealloc extent, at offset 6729728, we end up at send.c:send_write_or_clone() and set the @len variable to a value of 18446744073708560384 because @offset plus the original @len value is larger then the inode's size (6729728 + 339968 > 5738496). We then call send_extent_data(), with that @offset and @len, which in turn calls send_write(), and then the later calls fill_read_buf(). Because the offset passed to fill_read_buf() is greater then inode's i_size, this function returns 0 immediately, which makes send_write() and send_extent_data() do nothing and return immediately as well. When we get back to send.c:send_write_or_clone() we adjust the value of sctx->cur_inode_next_write_offset to @offset plus @len, which corresponds to 6729728 + 18446744073708560384 = 5738496, which is precisely the the size of the inode in the send snapshot; 4) Later when at send.c:finish_inode_if_needed() we determine that we don't need to issue a truncate operation because the value of sctx->cur_inode_next_write_offset corresponds to the inode's new size, 5738496 bytes. This is wrong because the last write operation that was issued started at offset 1884160 with a length of 106496 bytes, so the correct value for sctx->cur_inode_next_write_offset should be 1990656 (1884160 + 106496), so that a truncate operation with a value of 5738496 bytes would have been sent to insert a trailing hole at the destination. So fix the issue by making send.c:send_write_or_clone() not attempt to send write or clone operations for extents that start beyond the inode's size, since such attempts do nothing but waste time by calling helper functions and allocating path structures, and send currently has no fallocate command in order to create prealloc extents at the destination (either beyond a file's eof or not). The issue was found running the test btrfs/007 from fstests using a seed value of 1524346151 for fsstress. Reported-by: Gu, Jinxiang <gujx@cn.fujitsu.com> Fixes: ffa7c4296e93 ("Btrfs: send, do not issue unnecessary truncate operations") Signed-off-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2018-05-02btrfs: Take trans lock before access running trans in check_delayed_refethanwu
In preivous patch: Btrfs: kill trans in run_delalloc_nocow and btrfs_cross_ref_exist We avoid starting btrfs transaction and get this information from fs_info->running_transaction directly. When accessing running_transaction in check_delayed_ref, there's a chance that current transaction will be freed by commit transaction after the NULL pointer check of running_transaction is passed. After looking all the other places using fs_info->running_transaction, they are either protected by trans_lock or holding the transactions. Fix this by using trans_lock and increasing the use_count. Fixes: e4c3b2dcd144 ("Btrfs: kill trans in run_delalloc_nocow and btrfs_cross_ref_exist") CC: stable@vger.kernel.org # 4.14+ Signed-off-by: ethanwu <ethanwu@synology.com> Signed-off-by: David Sterba <dsterba@suse.com>
2018-05-02Merge branch 'v4.18/nand-cs-simplification' into v4.18/socSekhar Nori
2018-05-02ARM: davinci: dm644x: remove unnecessary postcore_initcall()Sekhar Nori
dm644x_init_devices() is unnecessarily implemented as a postcore_initcall(). This does not cause any issues now, but creates issues when converting to common clock framework where clocks themselves become platform devices and are initialized later. Because of this, device clock acquisition and runtime PM on that device fails. Move the call to .init_machine() callback along with rest of platform device's registration. While at it, convert it to return void since return value is ignored by caller anyway. Reviewed-by: David Lechner <david@lechnology.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: aemif: stop using pdev->id as nand chipselectBartosz Golaszewski
All platforms now use the core_chipsel field in platform_data. Stop using pdev->id in the aemif code. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02mtd: rawnand: davinci: stop using pdev->id as chipselectBartosz Golaszewski
All platform now use the core_chipsel field in platform data. Stop using pdev->id in the driver. Acked-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: neuros-osd2: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: dm646x-evm: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: mityomapl138: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: dm644x-evm: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: dm365-evm: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: dm355-leopard: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: dm355-evm: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: da850-evm: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02ARM: davinci: da830-evm: specify the chipselect in davinci_nand_pdataBartosz Golaszewski
We now have the core_chipsel field in davinci_nand_pdata. Use it instead of the platform_device id number. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02mtd: rawnand: davinci: store the core chipselect number in platform dataBartosz Golaszewski
We have the 'ti,davinci-chipselect' property in the device tree, but when using platform data the driver silently uses the id field of struct platform_device as the chipselect. This is confusing and we almost broke the nand support again recently after converting the platform to common clock framework (which changed the device id in the clock lookup - the problem is gone now that we no longer acquire the clock in the nand driver. This patch adds a new field - core_chipsel - to the platform_data. Subsequent patches will convert the platforms to using this new field. Acked-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2018-05-02USB: serial: visor: handle potential invalid device configurationGreg Kroah-Hartman
If we get an invalid device configuration from a palm 3 type device, we might incorrectly parse things, and we have the potential to crash in "interesting" ways. Fix this up by verifying the size of the configuration passed to us by the device, and only if it is correct, will we handle it. Note that this also fixes an information leak of slab data. Reported-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> [ johan: add comment about the info leak ] Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org>
2018-05-02USB: serial: option: adding support for ublox R410MSZ Lin (林上智)
This patch adds support for ublox R410M PID 0x90b2 USB modem to option driver, this module supports LTE Cat M1 / NB1. Interface layout: 0: QCDM/DIAG 1: ADB 2: AT 3: RMNET Signed-off-by: SZ Lin (林上智) <sz.lin@moxa.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org>
2018-05-02ALSA: pcm: Check PCM state at xfern compat ioctlTakashi Iwai
Since snd_pcm_ioctl_xfern_compat() has no PCM state check, it may go further and hit the sanity check pcm_sanity_check() when the ioctl is called right after open. It may eventually spew a kernel warning, as triggered by syzbot, depending on kconfig. The lack of PCM state check there was just an oversight. Although it's no real crash, the spurious kernel warning is annoying, so let's add the proper check. Reported-by: syzbot+1dac3a4f6bc9c1c675d4@syzkaller.appspotmail.com Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-01Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel Pull hexagon fixes from Richard Kuo: "Some small fixes for module compilation" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: hexagon: export csum_partial_copy_nocheck hexagon: add memset_io() helper
2018-05-01nfp: flower: set tunnel ttl value to net defaultJohn Hurley
Firmware requires that the ttl value for an encapsulating ipv4 tunnel header be included as an action field. Prior to the support of Geneve tunnel encap (when ttl set was removed completely), ttl value was extracted from the tunnel key. However, tests have shown that this can still produce a ttl of 0. Fix the issue by setting the namespace default value for each new tunnel. Follow up patch for net-next will do a full route lookup. Fixes: 3ca3059dc3a9 ("nfp: flower: compile Geneve encap actions") Fixes: b27d6a95a70d ("nfp: compile flower vxlan tunnel set actions") Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-01net/tls: Don't recursively call push_record during tls_write_space callbacksDave Watson
It is reported that in some cases, write_space may be called in do_tcp_sendpages, such that we recursively invoke do_tcp_sendpages again: [ 660.468802] ? do_tcp_sendpages+0x8d/0x580 [ 660.468826] ? tls_push_sg+0x74/0x130 [tls] [ 660.468852] ? tls_push_record+0x24a/0x390 [tls] [ 660.468880] ? tls_write_space+0x6a/0x80 [tls] ... tls_push_sg already does a loop over all sending sg's, so ignore any tls_write_space notifications until we are done sending. We then have to call the previous write_space to wake up poll() waiters after we are done with the send loop. Reported-by: Andre Tomt <andre@tomt.net> Signed-off-by: Dave Watson <davejwatson@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-01Input: atmel_mxt_ts - add missing compatible strings to OF device tableJavier Martinez Canillas
Commit af503716ac14 ("i2c: core: report OF style module alias for devices registered via OF") fixed how the I2C core reports the module alias when devices are registered via OF. But the atmel_mxt_ts driver only has an "atmel,maxtouch" compatible in its OF device ID table, so if a Device Tree is using a different one, autoload won't be working for the module (the matching works because the I2C device ID table is used as a fallback). So add compatible strings for each of the entries in the I2C device table. Fixes: af503716ac14 ("i2c: core: report OF style module alias for devices registered via OF") Reported-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Reviewed-by: Rob Herring <robh@kernel.org> [dtor: document which compatibles are deprecated and should not be used] Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-05-02bpf: minor fix to selftest test_stacktrace_build_id()Song Liu
1. remove useless parameter list to ./urandom_read 2. add missing "\n" to the end of an error message Fixes: 81f77fd0deeb ("bpf: add selftest for stackmap with BPF_F_STACK_BUILD_ID") Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>