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2017-08-06Merge tag 'ext4_for_linus_stable' of ↵Linus Torvalds13-196/+290
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 fixes from Ted Ts'o: "A large number of ext4 bug fixes and cleanups for v4.13" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix copy paste error in ext4_swap_extents() ext4: fix overflow caused by missing cast in ext4_resize_fs() ext4, project: expand inode extra size if possible ext4: cleanup ext4_expand_extra_isize_ea() ext4: restructure ext4_expand_extra_isize ext4: fix forgetten xattr lock protection in ext4_expand_extra_isize ext4: make xattr inode reads faster ext4: inplace xattr block update fails to deduplicate blocks ext4: remove unused mode parameter ext4: fix warning about stack corruption ext4: fix dir_nlink behaviour ext4: silence array overflow warning ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize ext4: release discard bio after sending discard commands ext4: convert swap_inode_data() over to use swap() on most of the fields ext4: error should be cleared if ea_inode isn't added to the cache ext4: Don't clear SGID when inheriting ACLs ext4: preserve i_mode if __ext4_set_acl() fails ext4: remove unused metadata accounting variables ext4: correct comment references to ext4_ext_direct_IO()
2017-08-06Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2-0/+3
Pull MIPS fixes from Ralf Baechle: "This fixes two build issues for ralink platforms, both due to missing #includes which used to be included indirectly via other headers" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: ralink: mt7620: Add missing header MIPS: ralink: Fix build error due to missing header
2017-08-06Fix compat_sys_sigpending breakageDmitry V. Levin1-4/+7
The latest change of compat_sys_sigpending in commit 8f13621abced ("sigpending(): move compat to native") has broken it in two ways. First, it tries to write 4 bytes more than userspace expects: sizeof(old_sigset_t) == sizeof(long) == 8 instead of sizeof(compat_old_sigset_t) == sizeof(u32) == 4. Second, on big endian architectures these bytes are being written in the wrong order. This bug was found by strace test suite. Reported-by: Anatoly Pugachev <matorola@gmail.com> Inspired-by: Eugene Syromyatnikov <evgsyr@gmail.com> Fixes: 8f13621abced ("sigpending(): move compat to native") Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-06ext4: fix copy paste error in ext4_swap_extents()Maninder Singh1-1/+1
This bug was found by a static code checker tool for copy paste problems. Signed-off-by: Maninder Singh <maninder1.s@samsung.com> Signed-off-by: Vaneet Narang <v.narang@samsung.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-08-06ext4: fix overflow caused by missing cast in ext4_resize_fs()Jerry Lee1-1/+2
On a 32-bit platform, the value of n_blcoks_count may be wrong during the file system is resized to size larger than 2^32 blocks. This may caused the superblock being corrupted with zero blocks count. Fixes: 1c6bd7173d66 Signed-off-by: Jerry Lee <jerrylee@qnap.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@vger.kernel.org # 3.7+
2017-08-06ext4, project: expand inode extra size if possibleMiao Xie3-24/+85
When upgrading from old format, try to set project id to old file first time, it will return EOVERFLOW, but if that file is dirtied(touch etc), changing project id will be allowed, this might be confusing for users, we could try to expand @i_extra_isize here too. Reported-by: Zhang Yi <yi.zhang@huawei.com> Signed-off-by: Miao Xie <miaoxie@huawei.com> Signed-off-by: Wang Shilong <wshilong@ddn.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-08-06ext4: cleanup ext4_expand_extra_isize_ea()Miao Xie1-9/+5
Clean up some goto statement, make ext4_expand_extra_isize_ea() clearer. Signed-off-by: Miao Xie <miaoxie@huawei.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Wang Shilong <wshilong@ddn.com>
2017-08-06ext4: restructure ext4_expand_extra_isizeMiao Xie2-40/+36
Current ext4_expand_extra_isize just tries to expand extra isize, if someone is holding xattr lock or some check fails, it will give up. So rename its name to ext4_try_to_expand_extra_isize. Besides that, we clean up unnecessary check and move some relative checks into it. Signed-off-by: Miao Xie <miaoxie@huawei.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Wang Shilong <wshilong@ddn.com>
2017-08-06ext4: fix forgetten xattr lock protection in ext4_expand_extra_isizeMiao Xie2-12/+16
We should avoid the contention between the i_extra_isize update and the inline data insertion, so move the xattr trylock in front of i_extra_isize update. Signed-off-by: Miao Xie <miaoxie@huawei.com> Reviewed-by: Wang Shilong <wshilong@ddn.com>
2017-08-06ext4: make xattr inode reads fasterTahsin Erdogan4-48/+92
ext4_xattr_inode_read() currently reads each block sequentially while waiting for io operation to complete before moving on to the next block. This prevents request merging in block layer. Add a ext4_bread_batch() function that starts reads for all blocks then optionally waits for them to complete. A similar logic is used in ext4_find_entry(), so update that code to use the new function. Signed-off-by: Tahsin Erdogan <tahsin@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-08-05ext4: inplace xattr block update fails to deduplicate blocksTahsin Erdogan1-3/+1
When an xattr block has a single reference, block is updated inplace and it is reinserted to the cache. Later, a cache lookup is performed to see whether an existing block has the same contents. This cache lookup will most of the time return the just inserted entry so deduplication is not achieved. Running the following test script will produce two xattr blocks which can be observed in "File ACL: " line of debugfs output: mke2fs -b 1024 -I 128 -F -O extent /dev/sdb 1G mount /dev/sdb /mnt/sdb touch /mnt/sdb/{x,y} setfattr -n user.1 -v aaa /mnt/sdb/x setfattr -n user.2 -v bbb /mnt/sdb/x setfattr -n user.1 -v aaa /mnt/sdb/y setfattr -n user.2 -v bbb /mnt/sdb/y debugfs -R 'stat x' /dev/sdb | cat debugfs -R 'stat y' /dev/sdb | cat This patch defers the reinsertion to the cache so that we can locate other blocks with the same contents. Signed-off-by: Tahsin Erdogan <tahsin@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Andreas Dilger <adilger@dilger.ca>
2017-08-05ext4: remove unused mode parameterTahsin Erdogan1-5/+4
ext4_alloc_file_blocks() does not use its mode parameter. Remove it. Signed-off-by: Tahsin Erdogan <tahsin@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-08-05ext4: fix warning about stack corruptionArnd Bergmann1-5/+6
After commit 62d1034f53e3 ("fortify: use WARN instead of BUG for now"), we get a warning about possible stack overflow from a memcpy that was not strictly bounded to the size of the local variable: inlined from 'ext4_mb_seq_groups_show' at fs/ext4/mballoc.c:2322:2: include/linux/string.h:309:9: error: '__builtin_memcpy': writing between 161 and 1116 bytes into a region of size 160 overflows the destination [-Werror=stringop-overflow=] We actually had a bug here that would have been found by the warning, but it was already fixed last year in commit 30a9d7afe70e ("ext4: fix stack memory corruption with 64k block size"). This replaces the fixed-length structure on the stack with a variable-length structure, using the correct upper bound that tells the compiler that everything is really fine here. I also change the loop count to check for the same upper bound for consistency, but the existing code is already correct here. Note that while clang won't allow certain kinds of variable-length arrays in structures, this particular instance is fine, as the array is at the end of the structure, and the size is strictly bounded. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-08-05ext4: fix dir_nlink behaviourAndreas Dilger2-10/+14
The dir_nlink feature has been enabled by default for new ext4 filesystems since e2fsprogs-1.41 in 2008, and was automatically enabled by the kernel for older ext4 filesystems since the dir_nlink feature was added with ext4 in kernel 2.6.28+ when the subdirectory count exceeded EXT4_LINK_MAX-1. Automatically adding the file system features such as dir_nlink is generally frowned upon, since it could cause the file system to not be mountable on older kernel, thus preventing the administrator from rolling back to an older kernel if necessary. In this case, the administrator might also want to disable the feature because glibc's fts_read() function does not correctly optimize directory traversal for directories that use st_nlinks field of 1 to indicate that the number of links in the directory are not tracked by the file system, and could fail to traverse the full directory hierarchy. Fortunately, in the past ten years very few users have complained about incomplete file system traversal by glibc's fts_read(). This commit also changes ext4_inc_count() to allow i_nlinks to reach the full EXT4_LINK_MAX links on the parent directory (including "." and "..") before changing i_links_count to be 1. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196405 Signed-off-by: Andreas Dilger <adilger@dilger.ca> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-08-05ext4: silence array overflow warningDan Carpenter1-1/+1
I get a static checker warning: fs/ext4/ext4.h:3091 ext4_set_de_type() error: buffer overflow 'ext4_type_by_mode' 15 <= 15 It seems unlikely that we would hit this read overflow in real life, but it's also simple enough to make the array 16 bytes instead of 15. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-08-05ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesizeJan Kara1-0/+3
ext4_find_unwritten_pgoff() does not properly handle a situation when starting index is in the middle of a page and blocksize < pagesize. The following command shows the bug on filesystem with 1k blocksize: xfs_io -f -c "falloc 0 4k" \ -c "pwrite 1k 1k" \ -c "pwrite 3k 1k" \ -c "seek -a -r 0" foo In this example, neither lseek(fd, 1024, SEEK_HOLE) nor lseek(fd, 2048, SEEK_DATA) will return the correct result. Fix the problem by neglecting buffers in a page before starting offset. Reported-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Jan Kara <jack@suse.cz> CC: stable@vger.kernel.org # 3.8+
2017-08-05platform/x86: intel-vbtn: match power button on press rather than releaseMario Limonciello1-2/+2
This fixes a problem where the system gets stuck in a loop unable to wakeup via power button in s2idle. The problem happens because: - press power button: - system emits 0xc0 (power press), event ignored - system emits 0xc1 (power release), event processed, emited as KEY_POWER - set wakeup_mode to true - system goes to s2idle - press power button - system emits 0xc0 (power press), wakeup_mode is true, system wakes - system emits 0xc1 (power release), event processed, emited as KEY_POWER - system goes to s2idle again To avoid this situation, process the presses (which matches what intel-hid does too). Verified on an Dell XPS 9365 Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-08-05Merge tag 'media/v4.13-2' of ↵Linus Torvalds91-14173/+5162
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fixes from Mauro Carvalho Chehab: "This series is larger than I would like to submit for -rc4. My original intent were to sent it to either -rc2 or -rc3. Unfortunately, due to my vacations, I got a lot of pending stuff after my return, and had to do some biz trips, with prevented me to send this earlier. Several fixes: - some fixes at atomisp staging driver - several gcc 7 warning fixes - cleanup media SVG files, in order to fix PDF build on some distros - fix random Kconfig build of venus driver - some fixes for the venus driver - some changes from semaphone to mutex in ngene's driver - some locking fixes at dib0700 driver - several fixes on ngene's driver and frontends to make it properly support some new boards added on Kernel 4.13 - some fixes to CEC drivers - omap_vout: vrfb: convert to dmaengine - docs-rst: document EBUSY for VIDIOC_S_FMT Please notice that the big diffstat changes here are at the SVG files. Visually, the images look the same, but the file size is now a lot smaller than before, and they don't use some XML tags that would cause them to be badly parsed by some ImageMagick versions, or to require a lot of memory by TeTex, with would break PDF output on some distributions" * tag 'media/v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (68 commits) media: atomisp2: array underflow in imx_enum_frame_size() media: atomisp2: array underflow in ap1302_enum_frame_size() media: atomisp2: Array underflow in atomisp_enum_input() media: platform: davinci: drop VPFE_CMD_S_CCDC_RAW_PARAMS media: platform: davinci: return -EINVAL for VPFE_CMD_S_CCDC_RAW_PARAMS ioctl media: venus: don't abuse dma_alloc for non-DMA allocations media: venus: hfi: fix error handling in hfi_sys_init_done() media: venus: fix compile-test build on non-qcom ARM platform media: venus: mark PM functions as __maybe_unused media: cec-notifier: small improvements media: pulse8-cec: persistent_config should be off by default media: cec: cec_transmit_attempt_done: ignore CEC_TX_STATUS_MAX_RETRIES media: staging: atomisp: array underflow in ioctl media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds media: svg: avoid too long lines media: svg files: simplify files media: selection.svg: simplify the SVG file media: vimc: set id_table for platform drivers media: staging: atomisp: disable warnings with cc-disable-warning media: davinci: variable 'common' set but not used ...
2017-08-05ext4: release discard bio after sending discard commandsDaeho Jeong1-1/+3
We've changed the discard command handling into parallel manner. But, in this change, I forgot decreasing the usage count of the bio which was used to send discard request. I'm sorry about that. Fixes: a015434480dc ("ext4: send parallel discards on commit completions") Signed-off-by: Daeho Jeong <daeho.jeong@samsung.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
2017-08-05Merge tag 'gpio-v4.13-2' of ↵Linus Torvalds10-37/+54
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: - LP87565: set the proper output level for direction_output. - stm32: fix the kernel build by selecting the hierarchical irqdomain symbol properly - this happens to be done in the pin control framework but whatever, it had dependencies to GPIO so we need to apply it here. - Select the hierarchical IRQ domain also for Xgene. - Fix wakeups to work on MXC. - Fix up the device tree binding on Exar that went astray, also add the right bindings. - Fix the unwanted events for edges from the library. - Fix the unbalanced chanined IRQ on the Tegra. * tag 'gpio-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: tegra: fix unbalanced chained_irq_enter/exit gpiolib: skip unwanted events, don't convert them to opposite edge gpio: exar: Use correct property prefix and document bindings gpio: gpio-mxc: Fix: higher 16 GPIOs usable as wake source gpio: xgene-sb: select IRQ_DOMAIN_HIERARCHY pinctrl: stm32: select IRQ_DOMAIN_HIERARCHY instead of depends on gpio: lp87565: Set proper output level and direction for direction_output MAINTAINERS: Add entry for Whiskey Cove PMIC GPIO driver
2017-08-04Merge tag 'nand/fixes-for-4.13-rc4' of git://git.infradead.org/l2-mtd into MTDBrian Norris6-25/+27
""" This PR contains both core and drivers fixes for 4.13. Core fixes: - Fix data interface setup for ONFI NANDs that do not support the SET FEATURES command - Fix a kernel doc header - Fix potential integer overflow when retrieving timing information from the parameter page - Fix wrong OOB layout for small page NANDs Driver fixes: - Fix potential division-by-zero bug - Fix backward compat with old atmel-nand DT bindings - Fix ->setup_data_interface() in the atmel NAND driver """
2017-08-04Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds9-33/+90
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "A handful of critical fixes for changes introduce this merge window. - The TI sci_clk_get() API was pretty broken and nobody noticed. - There were some CPUfreq crashes on C.H.I.P devices because we failed to propagate rates up the clk tree. - Also, the Intel Atom PMC clk driver needs to mark a clk critical if the firmware has it enabled already so that audio doesn't get killed on Baytrail. - Gemini devices have a dead serial console because the reset control usage in the serial driver assume one method of reset that gemini doesn't support (this will be fixed in the next version in the reset framework so this is the small fix for -rc series). - Finally we have two rate calculation fixes, one for Exynos and one for Meson SoCs, that fix rate inconsistencies" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: keystone: sci-clk: Fix sci_clk_get clk: meson: mpll: fix mpll0 fractional part ignored clk: samsung: exynos5420: The EPLL rate table corrections clk: sunxi-ng: sun5i: Add clk_set_rate_parent to the CPU clock clk: x86: Do not gate clocks enabled by the firmware clk: gemini: Fix reset regression
2017-08-04bpf: fix byte order test in test_verifierDaniel Borkmann1-9/+10
We really must check with #if __BYTE_ORDER == XYZ instead of just presence of #ifdef __LITTLE_ENDIAN. I noticed that when actually running this on big endian machine, the latter test resolves to true for user space, same for #ifdef __BIG_ENDIAN. E.g., looking at endian.h from libc, both are also defined there, so we really must test this against __BYTE_ORDER instead for proper insns selection. For the kernel, such checks are fine though e.g. see 13da9e200fe4 ("Revert "endian: #define __BYTE_ORDER"") and 415586c9e6d3 ("UAPI: fix endianness conditionals in M32R's asm/stat.h") for some more context, but not for user space. Lets also make sure to properly include endian.h. After that, suite passes for me: ./test_verifier: ELF 64-bit MSB executable, [...] Linux foo 4.13.0-rc3+ #4 SMP Fri Aug 4 06:59:30 EDT 2017 s390x s390x s390x GNU/Linux Before fix: Summary: 505 PASSED, 11 FAILED After fix: Summary: 516 PASSED, 0 FAILED Fixes: 18f3d6be6be1 ("selftests/bpf: Add test cases to test narrower ctx field loads") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong <yhs@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds13-129/+220
Pull KVM fixes from Radim Krčmář: "ARM: - Yet another race with VM destruction plugged - A set of small vgic fixes x86: - Preserve pending INIT - RCU fixes in paravirtual async pf, VM teardown, and VMXOFF emulation - nVMX interrupt injection and dirty tracking fixes - initialize to make UBSAN happy" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: arm/arm64: vgic: Use READ_ONCE fo cmpxchg KVM: nVMX: Fix interrupt window request with "Acknowledge interrupt on exit" KVM: nVMX: mark vmcs12 pages dirty on L2 exit kvm: nVMX: don't flush VMCS12 during VMXOFF or VCPU teardown KVM: nVMX: do not pin the VMCS12 KVM: avoid using rcu_dereference_protected KVM: X86: init irq->level in kvm_pv_kick_cpu_op KVM: X86: Fix loss of pending INIT due to race KVM: async_pf: make rcu irq exit if not triggered from idle task KVM: nVMX: fixes to nested virt interrupt injection KVM: nVMX: do not fill vm_exit_intr_error_code in prepare_vmcs12 KVM: arm/arm64: Handle hva aging while destroying the vm KVM: arm/arm64: PMU: Fix overflow interrupt injection KVM: arm/arm64: Fix bug in advertising KVM_CAP_MSI_DEVID capability
2017-08-04Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds1-16/+11
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Thomas Gleixner: "The recent irq core changes unearthed API abuse in the HPET code, which manifested itself in a suspend/resume regression. The fix replaces the cruft with the proper function calls and cures the regression" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/hpet: Cure interface abuse in the resume path
2017-08-04Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Thomas Gleixner: "A single fix for a multiplication overflow in the timer code on 32bit systems" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers: Fix overflow in get_next_timer_interrupt
2017-08-04Merge tag 'armsoc-fixes' of ↵Linus Torvalds46-103/+372
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Arnd Bergmann: "This comes a bit later than I planned, and as a consequence is a larger than it should be. Most of the changes are devicetree fixes, across lots of platforms: Renesas, Samsung Exynos, Marvell EBU, TI OMAP, Rockchips, Amlogic Meson, Sigma Desings Tango, Allwinner SUNxi and TI Davinci. Also across many platforms, I applied an older series of simple randconfig build fixes. This includes making the CONFIG_MTD_XIP option compile again, which had been broken for many years and probably has not been missed, but it felt wrong to just remove it completely. The only other changes are: - We enable HWSPINLOCK in defconfig to get some Qualcomm boards to work out of the box. - A few regression fixes for Texas Instruments OMAP2+. - A boot regression fix for the Renesas regulator quirk. - A suspend/resume fix for Uniphier SoCs, fixing the resume of the system bus" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits) ARM: dts: tango4: Request RGMII RX and TX clock delays bus: uniphier-system-bus: set up registers when resuming ARM64: dts: marvell: armada-37xx: Fix the number of GPIO on south bridge ARM: shmobile: rcar-gen2: Fix deadlock in regulator quirk arm64: defconfig: enable missing HWSPINLOCK ARM: pxa: select both FB and FB_W100 for eseries ARM: ixp4xx: fix ioport_unmap definition ARM: ep93xx: use ARM_PATCH_PHYS_VIRT correctly ARM: mmp: mark usb_dma_mask as __maybe_unused ARM: omap2: mark unused functions as __maybe_unused ARM: omap1: avoid unused variable warning ARM: sirf: mark sirfsoc_init_late as __maybe_unused ARM: ixp4xx: use normal prototype for {read,write}s{b,w,l} ARM: omap1/ams-delta: warn about failed regulator enable ARM: rpc: rename RAM_SIZE macro ARM: w90x900: normalize clk API ARM: ep93xx: normalize clk API ARM: dts: sun8i: a83t: Switch to CCU device tree binding macros arm64: allwinner: sun50i-a64: Correct emac register size ARM: dts: sunxi: h3/h5: Correct emac register size ...
2017-08-04xfs: Fix per-inode DAX flag inheritanceLukas Czerner1-5/+7
According to the commit that implemented per-inode DAX flag: commit 58f88ca2df72 ("xfs: introduce per-inode DAX enablement") the flag is supposed to act as "inherit flag". Currently this only works in the situations where parent directory already has a flag in di_flags set, otherwise inheritance does not work. This is because setting the XFS_DIFLAG2_DAX flag is done in a wrong branch designated for di_flags, not di_flags2. Fix this by moving the code to branch designated for setting di_flags2, which does test for flags in di_flags2. Fixes: 58f88ca2df72 ("xfs: introduce per-inode DAX enablement") Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-08-04xfs: Fix leak of discard bioJan Kara1-0/+1
The bio describing discard operation is allocated by __blkdev_issue_discard() which returns us a reference to it. That reference is never released and thus we leak this bio. Drop the bio reference once it completes in xlog_discard_endio(). CC: stable@vger.kernel.org Fixes: 4560e78f40cb55bd2ea8f1ef4001c5baa88531c7 Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-08-04Merge tag 'arm64-fixes' of ↵Linus Torvalds3-10/+13
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "Here are some more arm64 fixes for 4.13. The main one is the PTE race with the hardware walker, but there are a couple of other things too. - Report correct timer frequency to userspace when trapping CNTFRQ_EL0 - Fix race with hardware page table updates when updating access flags - Silence clang overflow warning in VA_START and PAGE_OFFSET calculations" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: avoid overflow in VA_START and PAGE_OFFSET arm64: Fix potential race with hardware DBM in ptep_set_access_flags() arm64: Use arch_timer_get_rate when trapping CNTFRQ_EL0
2017-08-04IB/hns: checking for IS_ERR() instead of NULLDan Carpenter1-1/+1
The hns_roce_v1_create_lp_qp() returns NULL on error, not error pointers. Fixes: bfcc681bd09d ("IB/hns: Fix the bug when free mr") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-04xgene: Always get clk source, but ignore if it's missing for SGMII portsThomas Bogendoerfer1-3/+3
Even the driver doesn't do anything with the clk source for SGMII ports it needs to be enabled by doing a devm_clk_get(), if there is a clk source in DT. Fixes: 0db01097cabd ('xgene: Don't fail probe, if there is no clk resource for SGMII interfaces') Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de> Tested-by: Laura Abbott <labbott@redhat.com> Acked-by: Iyappan Subramanian <isubramanian@apm.com> Tested-by: Will Deacon <will.deacon@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04RDMA/mlx5: Fix existence check for extended address vectorLeon Romanovsky2-2/+1
The extended address vector is the highest bit in be32 variable, but it was compared with the lowest. This patch fixes the endianness of that check and removes already declared define. Fixes: 17d2f88f92ce ("IB/mlx5: Add ODP atomics support") Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-04IB/uverbs: Fix device cleanupYishai Hadas1-2/+1
Uverbs device should be cleaned up only when there is no potential usage of. As part of ib_uverbs_remove_one which might be triggered upon reset flow the device reference count is decreased as expected and leave the final cleanup to the FDs that were opened. Current code increases reference count upon opening a new command FD and decreases it upon closing the file. The event FD is opened internally and rely on the command FD by taking on it a reference count. In case that the command FD was closed and just later the event FD we may ensure that the device resources as of srcu are still alive as they are still in use. Fixing the above by moving the reference count decreasing to the place where the command FD is really freed instead of doing that when it was just closed. fixes: 036b10635739 ("IB/uverbs: Enable device removal when there are active user space applications") Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Reviewed-by: Matan Barak <matanb@mellanox.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-04RDMA/uverbs: Prevent leak of reserved fieldLeon Romanovsky1-1/+1
initialize to zero the response structure to prevent the leakage of "resp.reserved" field. drivers/infiniband/core/uverbs_cmd.c:1178 ib_uverbs_resize_cq() warn: check that 'resp.reserved' doesn't leak information Fixes: 33b9b3ee9709 ("IB: Add userspace support for resizing CQs") Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-04IB/core: Fix race condition in resolving IP to MACParav Pandit1-14/+48
Currently while resolving IP address to MAC address single delayed work is used for resolving multiple such resolve requests. This singled work is essentially performs two tasks. (a) any retry needed to resolve and (b) it executes the callback function for all completed requests While work is executing callbacks, any new work scheduled on for this workqueue is lost because workqueue has completed looking at all pending requests and now looking at callbacks, but work is still under execution. Any further retry to look at pending requests in process_req() after executing callbacks would lead to similar race condition (may be reduce the probably further but doesn't eliminate it). Retrying to enqueue work that from queue_req() context is not something rest of the kernel modules have followed. Therefore fix in this patch utilizes kernel facility to enqueue multiple work items to a workqueue. This ensures that no such requests gets lost in synchronization. Request list is still maintained so that rdma_cancel_addr() can unlink the request and get the completion with error sooner. Neighbour update event handling continues to be handled in same way as before. Additionally process_req() work entry cancels any pending work for a request that gets completed while processing those requests. Originally ib_addr was ST workqueue, but it became MT work queue with patch of [1]. This patch again makes it similar to ST so that neighbour update events handler work item doesn't race with other work items. In one such below trace, (though on 4.5 based kernel) it can be seen that process_req() never executed the callback, which is likely for an event that was schedule by queue_req() when previous callback was getting executed by workqueue. [<ffffffff816b0dde>] schedule+0x3e/0x90 [<ffffffff816b3c45>] schedule_timeout+0x1b5/0x210 [<ffffffff81618c37>] ? ip_route_output_flow+0x27/0x70 [<ffffffffa027f9c9>] ? addr_resolve+0x149/0x1b0 [ib_addr] [<ffffffff816b228f>] wait_for_completion+0x10f/0x170 [<ffffffff810b6140>] ? try_to_wake_up+0x210/0x210 [<ffffffffa027f220>] ? rdma_copy_addr+0xa0/0xa0 [ib_addr] [<ffffffffa0280120>] rdma_addr_find_l2_eth_by_grh+0x1d0/0x278 [ib_addr] [<ffffffff81321297>] ? sub_alloc+0x77/0x1c0 [<ffffffffa02943b7>] ib_init_ah_from_wc+0x3a7/0x5a0 [ib_core] [<ffffffffa0457aba>] cm_req_handler+0xea/0x580 [ib_cm] [<ffffffff81015982>] ? __switch_to+0x212/0x5e0 [<ffffffffa04582fd>] cm_work_handler+0x6d/0x150 [ib_cm] [<ffffffff810a14c1>] process_one_work+0x151/0x4b0 [<ffffffff810a1940>] worker_thread+0x120/0x480 [<ffffffff816b074b>] ? __schedule+0x30b/0x890 [<ffffffff810a1820>] ? process_one_work+0x4b0/0x4b0 [<ffffffff810a1820>] ? process_one_work+0x4b0/0x4b0 [<ffffffff810a6b1e>] kthread+0xce/0xf0 [<ffffffff810a6a50>] ? kthread_freezable_should_stop+0x70/0x70 [<ffffffff816b53a2>] ret_from_fork+0x42/0x70 [<ffffffff810a6a50>] ? kthread_freezable_should_stop+0x70/0x70 INFO: task kworker/u144:1:156520 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u144:1 D ffff883ffe1d7600 0 156520 2 0x00000080 Workqueue: ib_addr process_req [ib_addr] ffff883f446fbbd8 0000000000000046 ffff881f95280000 ffff881ff24de200 ffff883f66120000 ffff883f446f8008 ffff881f95280000 ffff883f6f9208c4 ffff883f6f9208c8 00000000ffffffff ffff883f446fbbf8 ffffffff816b0dde [1] http://lkml.iu.edu/hypermail/linux/kernel/1608.1/05834.html Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-04MIPS: Add missing file for eBPF JIT.David Daney1-0/+1950
Inexplicably, commit f381bf6d82f0 ("MIPS: Add support for eBPF JIT.") lost a file somewhere on its path to Linus' tree. Add back the missing ebpf_jit.c so that we can build with CONFIG_BPF_JIT selected. This version of ebpf_jit.c is identical to the original except for two minor change need to resolve conflicts with changes merged from the BPF branch: A) Set prog->jited_len = image_size; B) Use BPF_TAIL_CALL instead of BPF_CALL | BPF_X Fixes: f381bf6d82f0 ("MIPS: Add support for eBPF JIT.") Signed-off-by: David Daney <david.daney@cavium.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04Merge branch 's390-bpf-jit-fixes'David S. Miller3-1/+6
Daniel Borkmann says: ==================== Two BPF fixes for s390 Found while testing some other work touching JITs. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04bpf, s390: fix build for libbpf and selftest suiteDaniel Borkmann2-0/+4
The BPF feature test as well as libbpf is missing the __NR_bpf define for s390 and currently refuses to compile (selftest suite depends on libbpf as well). Similar issue was fixed some time ago via b0c47807d31d ("bpf: Add sparc support to tools and samples."), just do the same and add definitions. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04bpf, s390: fix jit branch offset related to ldimm64Daniel Borkmann1-1/+2
While testing some other work that required JIT modifications, I run into test_bpf causing a hang when JIT enabled on s390. The problematic test case was the one from ddc665a4bb4b (bpf, arm64: fix jit branch offset related to ldimm64), and turns out that we do have a similar issue on s390 as well. In bpf_jit_prog() we update next instruction address after returning from bpf_jit_insn() with an insn_count. bpf_jit_insn() returns either -1 in case of error (e.g. unsupported insn), 1 or 2. The latter is only the case for ldimm64 due to spanning 2 insns, however, next address is only set to i + 1 not taking actual insn_count into account, thus fix is to use insn_count instead of 1. bpf_jit_enable in mode 2 provides also disasm on s390: Before fix: 000003ff800349b6: a7f40003 brc 15,3ff800349bc ; target 000003ff800349ba: 0000 unknown 000003ff800349bc: e3b0f0700024 stg %r11,112(%r15) 000003ff800349c2: e3e0f0880024 stg %r14,136(%r15) 000003ff800349c8: 0db0 basr %r11,%r0 000003ff800349ca: c0ef00000000 llilf %r14,0 000003ff800349d0: e320b0360004 lg %r2,54(%r11) 000003ff800349d6: e330b03e0004 lg %r3,62(%r11) 000003ff800349dc: ec23ffeda065 clgrj %r2,%r3,10,3ff800349b6 ; jmp 000003ff800349e2: e3e0b0460004 lg %r14,70(%r11) 000003ff800349e8: e3e0b04e0004 lg %r14,78(%r11) 000003ff800349ee: b904002e lgr %r2,%r14 000003ff800349f2: e3b0f0700004 lg %r11,112(%r15) 000003ff800349f8: e3e0f0880004 lg %r14,136(%r15) 000003ff800349fe: 07fe bcr 15,%r14 After fix: 000003ff80ef3db4: a7f40003 brc 15,3ff80ef3dba 000003ff80ef3db8: 0000 unknown 000003ff80ef3dba: e3b0f0700024 stg %r11,112(%r15) 000003ff80ef3dc0: e3e0f0880024 stg %r14,136(%r15) 000003ff80ef3dc6: 0db0 basr %r11,%r0 000003ff80ef3dc8: c0ef00000000 llilf %r14,0 000003ff80ef3dce: e320b0360004 lg %r2,54(%r11) 000003ff80ef3dd4: e330b03e0004 lg %r3,62(%r11) 000003ff80ef3dda: ec230006a065 clgrj %r2,%r3,10,3ff80ef3de6 ; jmp 000003ff80ef3de0: e3e0b0460004 lg %r14,70(%r11) 000003ff80ef3de6: e3e0b04e0004 lg %r14,78(%r11) ; target 000003ff80ef3dec: b904002e lgr %r2,%r14 000003ff80ef3df0: e3b0f0700004 lg %r11,112(%r15) 000003ff80ef3df6: e3e0f0880004 lg %r14,136(%r15) 000003ff80ef3dfc: 07fe bcr 15,%r14 test_bpf.ko suite runs fine after the fix. Fixes: 054623105728 ("s390/bpf: Add s390x eBPF JIT compiler backend") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04Merge branch 'mlxsw-Couple-of-fixes'David S. Miller1-13/+24
Jiri Pirko says: ==================== mlxsw: Couple of fixes Ido says: The first patch prevents us from warning about valid situations that can happen due to the fact that some operations in switchdev are deferred. Second patch fixes a long standing problem in which we didn't correctly free resources upon module removal, resulting in a memory leak. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04mlxsw: spectrum_switchdev: Release multicast groups during finiIdo Schimmel1-1/+12
Each multicast group (MID) stores a bitmap of ports to which a packet should be forwarded to in case an MDB entry associated with the MID is hit. Since the initial introduction of IGMP snooping in commit 3a49b4fde2a1 ("mlxsw: Adding layer 2 multicast support") the driver didn't correctly free these multicast groups upon ungraceful situations such as the removal of the upper bridge device or module removal. The correct way to fix this is to associate each MID with the bridge ports member in it and then drop the reference in case the bridge port is destroyed, but this will result in a lot more code and will be fixed in net-next. For now, upon module removal, traverse the MID list and release each one. Fixes: 3a49b4fde2a1 ("mlxsw: Adding layer 2 multicast support") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04mlxsw: spectrum_switchdev: Don't warn about valid situationsIdo Schimmel1-12/+12
Some operations in the bridge driver such as MDB deletion are preformed in an atomic context and thus deferred to a process context by the switchdev infrastructure. Therefore, by the time the operation is performed by the underlying device driver it's possible the bridge port context is already gone. This is especially true for removal flows, but theoretically can also be invoked during addition. Remove the warnings in such situations and return normally. Fixes: c57529e1d5d8 ("mlxsw: spectrum: Replace vPorts with Port-VLAN") Fixes: 3922285d96e7 ("net: bridge: Add support for offloading port attributes") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds10-24/+54
Pull sparc fixes from David Miller: - block interrupts properly across the entire MMU context change (both the hw MMU context change and the TSB table change) so that we don't get a perf event interrupt in the middle. From Rob Gardner. - be sure to register hugepages early enough, from Nitin Gupta. - UltraSPARC-III user copy exception handling would return garbage for the copied length in some circumstances. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: Fix exception handling in UltraSPARC-III memcpy. sbus: Convert to using %pOF instead of full_name sparc: defconfig: Cleanup from old Kconfig options sparc64: Register hugepages during arch init sparc64: Prevent perf from running during super critical sections
2017-08-04Merge tag 'ceph-for-4.13-rc4' of git://github.com/ceph/ceph-clientLinus Torvalds8-38/+53
Pull ceph fixes from Ilya Dryomov: "A bunch of fixes and follow-ups for -rc1 Luminous patches: issues with ->reencode_message() and last minute RADOS semantic changes in v12.1.2" * tag 'ceph-for-4.13-rc4' of git://github.com/ceph/ceph-client: libceph: make RECOVERY_DELETES feature create a new interval libceph: upmap semantic changes crush: assume weight_set != null imples weight_set_size > 0 libceph: fallback for when there isn't a pool-specific choose_arg libceph: don't call ->reencode_message() more than once per message libceph: make encode_request_*() work with r_mempool requests
2017-08-04Merge tag 'sound-4.13-rc4' of ↵Linus Torvalds21-103/+93
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Now we hit the usual ASoC-fix-flood in the middle of release. Most of the changes are trivial and device-specific, while one significant change is the fix for unbalanced of_graph_*() refcounts. This involved a change in the graph API itself that had been a bit messy" * tag 'sound-4.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix speaker output from VAIO VPCL14M1R device property: Fix usecount for of_graph_get_port_parent() ASoC: rt5665: fix wrong register for bclk ratio control ASoC: Intel: Use MCLK instead of BLCK as the sysclock for RT5514 codec on kabylake platform ASoC: Intel: Enabling ASRC for RT5663 codec on kabylake platform ASoC: codecs: msm8916-analog: fix DIG_CLK_CTL_RXD3_CLK_EN define ASoC: Intel: Skylake: Fix missing sentinels in sst_acpi_mach ASoC: sh: hac: add missing "int ret" ASoC: samsung: odroid: Fix EPLL frequency values ASoC: sgtl5000: Use snd_soc_kcontrol_codec() ASoC: rt5665: fix GPIO6 pin function define ASoC: ux500: Restore platform DAI assignments ASoC: fix pcm-creation regression ASoC: do not close shared backend dailink ASoC: pxa: SND_PXA2XX_SOC should depend on HAS_DMA ASoC: Intel: Skylake: Fix default dma_buffer_size ASoC: rt5663: Update the HW default values based on the shipping version ASoC: imx-ssi: add check on platform_get_irq return value
2017-08-04Merge tag 'iommu-fixes-v4.13-rc3' of ↵Linus Torvalds8-14/+36
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU fixes from Joerg Roedel: - fix a scheduling-while-atomic bug in the AMD IOMMU driver. It was found after the checker was enabled earlier. - a fix for the virtual APIC code in the AMD IOMMU driver which delivers device interrupts directly into KVM guests for assigned devices. - fixes for the recently merged lock-less page-table code for ARM. The redundant TLB syncs got reverted and locks added again around the TLB sync code. - fix for error handling in arm_smmu_add_device() - address sanitization fix for arm io-pgtable code * tag 'iommu-fixes-v4.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: Fix schedule-while-atomic BUG in initialization code iommu/amd: Enable ga_log_intr when enabling guest_mode iommu/io-pgtable: Sanitise map/unmap addresses iommu/arm-smmu: Fix the error path in arm_smmu_add_device Revert "iommu/io-pgtable: Avoid redundant TLB syncs" iommu/mtk: Avoid redundant TLB syncs locally iommu/arm-smmu: Reintroduce locking around TLB sync operations
2017-08-04Merge tag 'mmc-v4.13-rc3' of ↵Linus Torvalds2-1/+35
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: "A couple of mmc fixes intended for v4.13-rc4. MMC core: - Fix NULL pointer dereference for block I/O during hotplug MMC host: - sdhci-of-at91: Fix card detect for non-removable cards" * tag 'mmc-v4.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: block: bypass the queue even if usage is present for hotplug mmc: sdhci-of-at91: force card detect value for non removable devices
2017-08-04Merge tag 'drm-fixes-for-v4.13-rc4' of ↵Linus Torvalds3-21/+24
git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "Either my email ate everything or everyone is on holidays, either way all I can find is some lonely AMD fixes" [ Europe might be on vacation, and the Pacific NW is too hot for work. ] * tag 'drm-fixes-for-v4.13-rc4' of git://people.freedesktop.org/~airlied/linux: drm/amdgpu: Use list_del_init in amdgpu_mn_unregister drm/amdgpu: Fix undue fallthroughs in golden registers initialization drm/amdgpu: fix header on gfx9 clear state
2017-08-04Merge tag 'powerpc-4.13-5' of ↵Linus Torvalds9-21/+71
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Fixes for recently merged code: - a fix for the _PAGE_DEVMAP support, which was breaking KVM on Power9 radix - avoid a (harmless) lockdep warning in the early SMP code - return failure for some uses of dma_set_mask() rather than falling back to 32-bits - fix stack setup in watchdog soft_nmi_common() to use emergency stack - fix of_irq_to_resource() error check in of_fsl_spi_probe() Two fixes going to stable: - fix saving of Transactional Memory SPRs in core dump - fix __check_irq_replay missing decrementer interrupt And two misc: - fix 64-bit boot wrapper build with non-biarch compiler - work around a POWER9 PMU hang after state-loss idle Thanks to: Alistair Popple, Aneesh Kumar K.V, Cyril Bur, Gustavo Romero, Jose Ricardo Ziviani, Laurent Vivier, Nicholas Piggin, Oliver O'Halloran, Sergei Shtylyov, Suraj Jitindar Singh, Thomas Gleixner" * tag 'powerpc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64: Fix __check_irq_replay missing decrementer interrupt powerpc/perf: POWER9 PMU stops after idle workaround powerpc/83xx/mpc832x_rdb: fix of_irq_to_resource() error check powerpc/64s: Fix stack setup in watchdog soft_nmi_common() powerpc/powernv/pci: Return failure for some uses of dma_set_mask() powerpc/boot: Fix 64-bit boot wrapper build with non-biarch compiler powerpc/smp: Call smp_ops->setup_cpu() directly on the boot CPU powerpc/tm: Fix saving of TM SPRs in core dump powerpc/mm: Fix pmd/pte_devmap() on non-leaf entries
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 19:17:33 +0000