- 22 2月, 2020 5 次提交
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由 Jan Kara 提交于
When CONFIG_QFMT_V2 is configured as a module, the test in ext4_feature_set_ok() fails and so mount of filesystems with quota or project features fails. Fix the test to use IS_ENABLED macro which works properly even for modules. Link: https://lore.kernel.org/r/20200221100835.9332-1-jack@suse.cz Fixes: d65d87a0 ("ext4: improve explanation of a mount failure caused by a misconfigured kernel") Signed-off-by: NJan Kara <jack@suse.cz> Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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由 wangyan 提交于
I found a NULL pointer dereference in ocfs2_block_group_clear_bits(). The running environment: kernel version: 4.19 A cluster with two nodes, 5 luns mounted on two nodes, and do some file operations like dd/fallocate/truncate/rm on every lun with storage network disconnection. The fallocate operation on dm-23-45 caused an null pointer dereference. The information of NULL pointer dereference as follows: [577992.878282] JBD2: Error -5 detected when updating journal superblock for dm-23-45. [577992.878290] Aborting journal on device dm-23-45. ... [577992.890778] JBD2: Error -5 detected when updating journal superblock for dm-24-46. [577992.890908] __journal_remove_journal_head: freeing b_committed_data [577992.890916] (fallocate,88392,52):ocfs2_extend_trans:474 ERROR: status = -30 [577992.890918] __journal_remove_journal_head: freeing b_committed_data [577992.890920] (fallocate,88392,52):ocfs2_rotate_tree_right:2500 ERROR: status = -30 [577992.890922] __journal_remove_journal_head: freeing b_committed_data [577992.890924] (fallocate,88392,52):ocfs2_do_insert_extent:4382 ERROR: status = -30 [577992.890928] (fallocate,88392,52):ocfs2_insert_extent:4842 ERROR: status = -30 [577992.890928] __journal_remove_journal_head: freeing b_committed_data [577992.890930] (fallocate,88392,52):ocfs2_add_clusters_in_btree:4947 ERROR: status = -30 [577992.890933] __journal_remove_journal_head: freeing b_committed_data [577992.890939] __journal_remove_journal_head: freeing b_committed_data [577992.890949] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020 [577992.890950] Mem abort info: [577992.890951] ESR = 0x96000004 [577992.890952] Exception class = DABT (current EL), IL = 32 bits [577992.890952] SET = 0, FnV = 0 [577992.890953] EA = 0, S1PTW = 0 [577992.890954] Data abort info: [577992.890955] ISV = 0, ISS = 0x00000004 [577992.890956] CM = 0, WnR = 0 [577992.890958] user pgtable: 4k pages, 48-bit VAs, pgdp = 00000000f8da07a9 [577992.890960] [0000000000000020] pgd=0000000000000000 [577992.890964] Internal error: Oops: 96000004 [#1] SMP [577992.890965] Process fallocate (pid: 88392, stack limit = 0x00000000013db2fd) [577992.890968] CPU: 52 PID: 88392 Comm: fallocate Kdump: loaded Tainted: G W OE 4.19.36 #1 [577992.890969] Hardware name: Huawei TaiShan 2280 V2/BC82AMDD, BIOS 0.98 08/25/2019 [577992.890971] pstate: 60400009 (nZCv daif +PAN -UAO) [577992.891054] pc : _ocfs2_free_suballoc_bits+0x63c/0x968 [ocfs2] [577992.891082] lr : _ocfs2_free_suballoc_bits+0x618/0x968 [ocfs2] [577992.891084] sp : ffff0000c8e2b810 [577992.891085] x29: ffff0000c8e2b820 x28: 0000000000000000 [577992.891087] x27: 00000000000006f3 x26: ffffa07957b02e70 [577992.891089] x25: ffff807c59d50000 x24: 00000000000006f2 [577992.891091] x23: 0000000000000001 x22: ffff807bd39abc30 [577992.891093] x21: ffff0000811d9000 x20: ffffa07535d6a000 [577992.891097] x19: ffff000001681638 x18: ffffffffffffffff [577992.891098] x17: 0000000000000000 x16: ffff000080a03df0 [577992.891100] x15: ffff0000811d9708 x14: 203d207375746174 [577992.891101] x13: 73203a524f525245 x12: 20373439343a6565 [577992.891103] x11: 0000000000000038 x10: 0101010101010101 [577992.891106] x9 : ffffa07c68a85d70 x8 : 7f7f7f7f7f7f7f7f [577992.891109] x7 : 0000000000000000 x6 : 0000000000000080 [577992.891110] x5 : 0000000000000000 x4 : 0000000000000002 [577992.891112] x3 : ffff000001713390 x2 : 2ff90f88b1c22f00 [577992.891114] x1 : ffff807bd39abc30 x0 : 0000000000000000 [577992.891116] Call trace: [577992.891139] _ocfs2_free_suballoc_bits+0x63c/0x968 [ocfs2] [577992.891162] _ocfs2_free_clusters+0x100/0x290 [ocfs2] [577992.891185] ocfs2_free_clusters+0x50/0x68 [ocfs2] [577992.891206] ocfs2_add_clusters_in_btree+0x198/0x5e0 [ocfs2] [577992.891227] ocfs2_add_inode_data+0x94/0xc8 [ocfs2] [577992.891248] ocfs2_extend_allocation+0x1bc/0x7a8 [ocfs2] [577992.891269] ocfs2_allocate_extents+0x14c/0x338 [ocfs2] [577992.891290] __ocfs2_change_file_space+0x3f8/0x610 [ocfs2] [577992.891309] ocfs2_fallocate+0xe4/0x128 [ocfs2] [577992.891316] vfs_fallocate+0x11c/0x250 [577992.891317] ksys_fallocate+0x54/0x88 [577992.891319] __arm64_sys_fallocate+0x28/0x38 [577992.891323] el0_svc_common+0x78/0x130 [577992.891325] el0_svc_handler+0x38/0x78 [577992.891327] el0_svc+0x8/0xc My analysis process as follows: ocfs2_fallocate __ocfs2_change_file_space ocfs2_allocate_extents ocfs2_extend_allocation ocfs2_add_inode_data ocfs2_add_clusters_in_btree ocfs2_insert_extent ocfs2_do_insert_extent ocfs2_rotate_tree_right ocfs2_extend_rotate_transaction ocfs2_extend_trans jbd2_journal_restart jbd2__journal_restart /* handle->h_transaction is NULL, * is_handle_aborted(handle) is true */ handle->h_transaction = NULL; start_this_handle return -EROFS; ocfs2_free_clusters _ocfs2_free_clusters _ocfs2_free_suballoc_bits ocfs2_block_group_clear_bits ocfs2_journal_access_gd __ocfs2_journal_access jbd2_journal_get_undo_access /* I think jbd2_write_access_granted() will * return true, because do_get_write_access() * will return -EROFS. */ if (jbd2_write_access_granted(...)) return 0; do_get_write_access /* handle->h_transaction is NULL, it will * return -EROFS here, so do_get_write_access() * was not called. */ if (is_handle_aborted(handle)) return -EROFS; /* bh2jh(group_bh) is NULL, caused NULL pointer dereference */ undo_bg = (struct ocfs2_group_desc *) bh2jh(group_bh)->b_committed_data; If handle->h_transaction == NULL, then jbd2_write_access_granted() does not really guarantee that journal_head will stay around, not even speaking of its b_committed_data. The bh2jh(group_bh) can be removed after ocfs2_journal_access_gd() and before call "bh2jh(group_bh)->b_committed_data". So, we should move is_handle_aborted() check from do_get_write_access() into jbd2_journal_get_undo_access() and jbd2_journal_get_write_access() before the call to jbd2_write_access_granted(). Link: https://lore.kernel.org/r/f72a623f-b3f1-381a-d91d-d22a1c83a336@huawei.comSigned-off-by: NYan Wang <wangyan122@huawei.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Reviewed-by: NJun Piao <piaojun@huawei.com> Reviewed-by: NJan Kara <jack@suse.cz> Cc: stable@kernel.org
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由 Eric Biggers 提交于
If EXT4_EXTENTS_FL is set on an inode while ext4_writepages() is running on it, the following warning in ext4_add_complete_io() can be hit: WARNING: CPU: 1 PID: 0 at fs/ext4/page-io.c:234 ext4_put_io_end_defer+0xf0/0x120 Here's a minimal reproducer (not 100% reliable) (root isn't required): while true; do sync done & while true; do rm -f file touch file chattr -e file echo X >> file chattr +e file done The problem is that in ext4_writepages(), ext4_should_dioread_nolock() (which only returns true on extent-based files) is checked once to set the number of reserved journal credits, and also again later to select the flags for ext4_map_blocks() and copy the reserved journal handle to ext4_io_end::handle. But if EXT4_EXTENTS_FL is being concurrently set, the first check can see dioread_nolock disabled while the later one can see it enabled, causing the reserved handle to unexpectedly be NULL. Since changing EXT4_EXTENTS_FL is uncommon, and there may be other races related to doing so as well, fix this by synchronizing changing EXT4_EXTENTS_FL with ext4_writepages() via the existing s_writepages_rwsem (previously called s_journal_flag_rwsem). This was originally reported by syzbot without a reproducer at https://syzkaller.appspot.com/bug?extid=2202a584a00fffd19fbf, but now that dioread_nolock is the default I also started seeing this when running syzkaller locally. Link: https://lore.kernel.org/r/20200219183047.47417-3-ebiggers@kernel.org Reported-by: syzbot+2202a584a00fffd19fbf@syzkaller.appspotmail.com Fixes: 6b523df4 ("ext4: use transaction reservation for extent conversion in ext4_end_io") Signed-off-by: NEric Biggers <ebiggers@google.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Reviewed-by: NJan Kara <jack@suse.cz> Cc: stable@kernel.org
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由 Eric Biggers 提交于
In preparation for making s_journal_flag_rwsem synchronize ext4_writepages() with changes to both the EXTENTS and JOURNAL_DATA flags (rather than just JOURNAL_DATA as it does currently), rename it to s_writepages_rwsem. Link: https://lore.kernel.org/r/20200219183047.47417-2-ebiggers@kernel.orgSigned-off-by: NEric Biggers <ebiggers@google.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Reviewed-by: NJan Kara <jack@suse.cz> Cc: stable@kernel.org
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由 Suraj Jitindar Singh 提交于
During an online resize an array of s_flex_groups structures gets replaced so it can get enlarged. If there is a concurrent access to the array and this memory has been reused then this can lead to an invalid memory access. The s_flex_group array has been converted into an array of pointers rather than an array of structures. This is to ensure that the information contained in the structures cannot get out of sync during a resize due to an accessor updating the value in the old structure after it has been copied but before the array pointer is updated. Since the structures them- selves are no longer copied but only the pointers to them this case is mitigated. Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443 Link: https://lore.kernel.org/r/20200221053458.730016-4-tytso@mit.eduSigned-off-by: NSuraj Jitindar Singh <surajjs@amazon.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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- 21 2月, 2020 2 次提交
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由 Suraj Jitindar Singh 提交于
During an online resize an array of pointers to s_group_info gets replaced so it can get enlarged. If there is a concurrent access to the array in ext4_get_group_info() and this memory has been reused then this can lead to an invalid memory access. Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443 Link: https://lore.kernel.org/r/20200221053458.730016-3-tytso@mit.eduSigned-off-by: NSuraj Jitindar Singh <surajjs@amazon.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Reviewed-by: NBalbir Singh <sblbir@amazon.com> Cc: stable@kernel.org
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由 Theodore Ts'o 提交于
During an online resize an array of pointers to buffer heads gets replaced so it can get enlarged. If there is a racing block allocation or deallocation which uses the old array, and the old array has gotten reused this can lead to a GPF or some other random kernel memory getting modified. Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443 Link: https://lore.kernel.org/r/20200221053458.730016-2-tytso@mit.eduReported-by: NSuraj Jitindar Singh <surajjs@amazon.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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- 20 2月, 2020 2 次提交
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由 Shijie Luo 提交于
We tested a soft lockup problem in linux 4.19 which could also be found in linux 5.x. When dir inode takes up a large number of blocks, and if the directory is growing when we are searching, it's possible the restart branch could be called many times, and the do while loop could hold cpu a long time. Here is the call trace in linux 4.19. [ 473.756186] Call trace: [ 473.756196] dump_backtrace+0x0/0x198 [ 473.756199] show_stack+0x24/0x30 [ 473.756205] dump_stack+0xa4/0xcc [ 473.756210] watchdog_timer_fn+0x300/0x3e8 [ 473.756215] __hrtimer_run_queues+0x114/0x358 [ 473.756217] hrtimer_interrupt+0x104/0x2d8 [ 473.756222] arch_timer_handler_virt+0x38/0x58 [ 473.756226] handle_percpu_devid_irq+0x90/0x248 [ 473.756231] generic_handle_irq+0x34/0x50 [ 473.756234] __handle_domain_irq+0x68/0xc0 [ 473.756236] gic_handle_irq+0x6c/0x150 [ 473.756238] el1_irq+0xb8/0x140 [ 473.756286] ext4_es_lookup_extent+0xdc/0x258 [ext4] [ 473.756310] ext4_map_blocks+0x64/0x5c0 [ext4] [ 473.756333] ext4_getblk+0x6c/0x1d0 [ext4] [ 473.756356] ext4_bread_batch+0x7c/0x1f8 [ext4] [ 473.756379] ext4_find_entry+0x124/0x3f8 [ext4] [ 473.756402] ext4_lookup+0x8c/0x258 [ext4] [ 473.756407] __lookup_hash+0x8c/0xe8 [ 473.756411] filename_create+0xa0/0x170 [ 473.756413] do_mkdirat+0x6c/0x140 [ 473.756415] __arm64_sys_mkdirat+0x28/0x38 [ 473.756419] el0_svc_common+0x78/0x130 [ 473.756421] el0_svc_handler+0x38/0x78 [ 473.756423] el0_svc+0x8/0xc [ 485.755156] watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [tmp:5149] Add cond_resched() to avoid soft lockup and to provide a better system responding. Link: https://lore.kernel.org/r/20200215080206.13293-1-luoshijie1@huawei.comSigned-off-by: NShijie Luo <luoshijie1@huawei.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Reviewed-by: NJan Kara <jack@suse.cz> Cc: stable@kernel.org
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由 Qian Cai 提交于
EXT4_I(inode)->i_disksize could be accessed concurrently as noticed by KCSAN, BUG: KCSAN: data-race in ext4_write_end [ext4] / ext4_writepages [ext4] write to 0xffff91c6713b00f8 of 8 bytes by task 49268 on cpu 127: ext4_write_end+0x4e3/0x750 [ext4] ext4_update_i_disksize at fs/ext4/ext4.h:3032 (inlined by) ext4_update_inode_size at fs/ext4/ext4.h:3046 (inlined by) ext4_write_end at fs/ext4/inode.c:1287 generic_perform_write+0x208/0x2a0 ext4_buffered_write_iter+0x11f/0x210 [ext4] ext4_file_write_iter+0xce/0x9e0 [ext4] new_sync_write+0x29c/0x3b0 __vfs_write+0x92/0xa0 vfs_write+0x103/0x260 ksys_write+0x9d/0x130 __x64_sys_write+0x4c/0x60 do_syscall_64+0x91/0xb47 entry_SYSCALL_64_after_hwframe+0x49/0xbe read to 0xffff91c6713b00f8 of 8 bytes by task 24872 on cpu 37: ext4_writepages+0x10ac/0x1d00 [ext4] mpage_map_and_submit_extent at fs/ext4/inode.c:2468 (inlined by) ext4_writepages at fs/ext4/inode.c:2772 do_writepages+0x5e/0x130 __writeback_single_inode+0xeb/0xb20 writeback_sb_inodes+0x429/0x900 __writeback_inodes_wb+0xc4/0x150 wb_writeback+0x4bd/0x870 wb_workfn+0x6b4/0x960 process_one_work+0x54c/0xbe0 worker_thread+0x80/0x650 kthread+0x1e0/0x200 ret_from_fork+0x27/0x50 Reported by Kernel Concurrency Sanitizer on: CPU: 37 PID: 24872 Comm: kworker/u261:2 Tainted: G W O L 5.5.0-next-20200204+ #5 Hardware name: HPE ProLiant DL385 Gen10/ProLiant DL385 Gen10, BIOS A40 07/10/2019 Workqueue: writeback wb_workfn (flush-7:0) Since only the read is operating as lockless (outside of the "i_data_sem"), load tearing could introduce a logic bug. Fix it by adding READ_ONCE() for the read and WRITE_ONCE() for the write. Signed-off-by: NQian Cai <cai@lca.pw> Link: https://lore.kernel.org/r/1581085751-31793-1-git-send-email-cai@lca.pwSigned-off-by: NTheodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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- 17 2月, 2020 8 次提交
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由 Linus Torvalds 提交于
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https://github.com/cminyard/linux-ipmi由 Linus Torvalds 提交于
Pull IPMI update from Corey Minyard: "Minor bug fixes for IPMI I know this is late; I've been travelling and, well, I've been distracted. This is just a few bug fixes and adding i2c support to the IPMB driver, which is something I wanted from the beginning for it" * tag 'for-linus-5.6-1' of https://github.com/cminyard/linux-ipmi: drivers: ipmi: fix off-by-one bounds check that leads to a out-of-bounds write ipmi:ssif: Handle a possible NULL pointer reference drivers: ipmi: Modify max length of IPMB packet drivers: ipmi: Support raw i2c packet in IPMB
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git://git.kernel.org/pub/scm/virt/kvm/kvm由 Linus Torvalds 提交于
Pull KVM fixes from Paolo Bonzini: "Bugfixes and improvements to selftests. On top of this, Mauro converted the KVM documentation to rst format, which was very welcome" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (44 commits) docs: virt: guest-halt-polling.txt convert to ReST docs: kvm: review-checklist.txt: rename to ReST docs: kvm: Convert timekeeping.txt to ReST format docs: kvm: Convert s390-diag.txt to ReST format docs: kvm: Convert ppc-pv.txt to ReST format docs: kvm: Convert nested-vmx.txt to ReST format docs: kvm: Convert mmu.txt to ReST format docs: kvm: Convert locking.txt to ReST format docs: kvm: Convert hypercalls.txt to ReST format docs: kvm: arm/psci.txt: convert to ReST docs: kvm: convert arm/hyp-abi.txt to ReST docs: kvm: Convert api.txt to ReST format docs: kvm: convert devices/xive.txt to ReST docs: kvm: convert devices/xics.txt to ReST docs: kvm: convert devices/vm.txt to ReST docs: kvm: convert devices/vfio.txt to ReST docs: kvm: convert devices/vcpu.txt to ReST docs: kvm: convert devices/s390_flic.txt to ReST docs: kvm: convert devices/mpic.txt to ReST docs: kvm: convert devices/arm-vgit.txt to ReST ...
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras由 Linus Torvalds 提交于
Pull EDAC fixes from Borislav Petkov: "Two fixes for use-after-free and memory leaking in the EDAC core, by Robert Richter. Debug options like DEBUG_TEST_DRIVER_REMOVE, KASAN and DEBUG_KMEMLEAK unearthed issues with the lifespan of memory allocated by the EDAC memory controller descriptor due to misdesigned memory freeing, done partially by the EDAC core *and* the driver core, which is problematic to say the least. These two are minimal fixes to take care of stable - a proper rework is following which cleans up that mess properly" * tag 'edac_urgent_for_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/sysfs: Remove csrow objects on errors EDAC/mc: Fix use-after-free and memleaks during device removal
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git://git.kernel.dk/linux-block由 Linus Torvalds 提交于
Pull block fixes from Jens Axboe: "Not a lot here, which is great, basically just three small bcache fixes from Coly, and four NVMe fixes via Keith" * tag 'block-5.6-2020-02-16' of git://git.kernel.dk/linux-block: nvme: fix the parameter order for nvme_get_log in nvme_get_fw_slot_info nvme/pci: move cqe check after device shutdown nvme: prevent warning triggered by nvme_stop_keep_alive nvme/tcp: fix bug on double requeue when send fails bcache: remove macro nr_to_fifo_front() bcache: Revert "bcache: shrink btree node cache after bch_btree_check()" bcache: ignore pending signals when creating gc and allocator thread
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux由 Linus Torvalds 提交于
Pull btrfs fixes from David Sterba: "Two races fixed, memory leak fix, sysfs directory fixup and two new log messages: - two fixed race conditions: extent map merging and truncate vs fiemap - create the right sysfs directory with device information and move the individual device dirs under it - print messages when the tree-log is replayed at mount time or cannot be replayed on remount" * tag 'for-5.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: sysfs, move device id directories to UUID/devinfo btrfs: sysfs, add UUID/devinfo kobject Btrfs: fix race between shrinking truncate and fiemap btrfs: log message when rw remount is attempted with unclean tree-log btrfs: print message when tree-log replay starts Btrfs: fix race between using extent maps and merging them btrfs: ref-verify: fix memory leaks
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git://git.samba.org/sfrench/cifs-2.6由 Linus Torvalds 提交于
Pull cifs fixes from Steve French: "Four small CIFS/SMB3 fixes. One (the EA overflow fix) for stable" * tag '5.6-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: make sure we do not overflow the max EA buffer size cifs: enable change notification for SMB2.1 dialect cifs: Fix mode output in debugging statements cifs: fix mount option display for sec=krb5i
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4由 Linus Torvalds 提交于
Pull ext4 fixes from Ted Ts'o: "Miscellaneous ext4 bug fixes (all stable fodder)" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: improve explanation of a mount failure caused by a misconfigured kernel jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer jbd2: move the clearing of b_modified flag to the journal_unmap_buffer() ext4: add cond_resched() to ext4_protect_reserved_inode ext4: fix checksum errors with indexed dirs ext4: fix support for inode sizes > 1024 bytes ext4: simplify checking quota limits in ext4_statfs() ext4: don't assume that mmp_nodename/bdevname have NUL
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- 16 2月, 2020 8 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input由 Linus Torvalds 提交于
Pull input updates from Dmitry Torokhov: - a few drivers have been updated to use flexible-array syntax instead of GCC extension - ili210x touchscreen driver now supports the 2120 protocol flavor - a couple more of Synaptics devices have been switched over to RMI4 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: cyapa - replace zero-length array with flexible-array member Input: tca6416-keypad - replace zero-length array with flexible-array member Input: gpio_keys_polled - replace zero-length array with flexible-array member Input: synaptics - remove the LEN0049 dmi id from topbuttonpad list Input: synaptics - enable SMBus on ThinkPad L470 Input: synaptics - switch T470s to RMI4 by default Input: gpio_keys - replace zero-length array with flexible-array member Input: goldfish_events - replace zero-length array with flexible-array member Input: psmouse - switch to using i2c_new_scanned_device() Input: ili210x - add ili2120 support Input: ili210x - fix return value of is_visible function
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma由 Linus Torvalds 提交于
Pull rdma fixes from Jason Gunthorpe: "Not too much going on here, though there are about four fixes related to stuff merged during the last merge window. We also see the return of a syzkaller instance with access to RDMA devices, and a few bugs detected by that squished. - Fix three crashers and a memory memory leak for HFI1 - Several bugs found by syzkaller - A bug fix for the recent QP counters feature on older mlx5 HW - Locking inversion in cxgb4 - Unnecessary WARN_ON in siw - A umad crasher regression during unload, from a bug fix for something else - Bugs introduced in the merge window: - Missed list_del in uverbs file rework, core and mlx5 devx - Unexpected integer math truncation in the mlx5 VAR patches - Compilation bug fix for the VAR patches on 32 bit" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: IB/mlx5: Use div64_u64 for num_var_hw_entries calculation RDMA/core: Fix protection fault in get_pkey_idx_qp_list RDMA/rxe: Fix soft lockup problem due to using tasklets in softirq RDMA/mlx5: Prevent overflow in mmap offset calculations IB/umad: Fix kernel crash while unloading ib_umad RDMA/mlx5: Fix async events cleanup flows RDMA/core: Add missing list deletion on freeing event queue RDMA/siw: Remove unwanted WARN_ON in siw_cm_llp_data_ready() RDMA/iw_cxgb4: initiate CLOSE when entering TERM IB/mlx5: Return failure when rts2rts_qp_counters_set_id is not supported RDMA/core: Fix invalid memory access in spec_filter_size IB/rdmavt: Reset all QPs when the device is shut down IB/hfi1: Close window for pq and request coliding IB/hfi1: Acquire lock to release TID entries when user file is closed RDMA/hfi1: Fix memory leak in _dev_comp_vect_mappings_create
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc由 Linus Torvalds 提交于
Pull ARM SoC fixes from Olof Johansson: "A handful of fixes that have come in since the merge window: - Fix of PCI interrupt map on arm64 fast model (SW emulator) - Fixlet for sound on ST platforms and a small cleanup of deprecated DT properties - A stack buffer overflow fix for moxtet - Fuse driver build fix for Tegra194 - A few config updates to turn on new drivers merged this cycle" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: bus: moxtet: fix potential stack buffer overflow soc/tegra: fuse: Fix build with Tegra194 configuration ARM: dts: sti: fixup sound frame-inversion for stihxxx-b2120.dtsi ARM: dts: sti: Remove deprecated snps PHY properties for stih410-b2260 arm64: defconfig: Enable DRM_SUN6I_DSI arm64: defconfig: Enable CONFIG_SUN8I_THERMAL ARM: sunxi: Enable CONFIG_SUN8I_THERMAL arm64: defconfig: Set bcm2835-dma as built-in ARM: configs: Cleanup old Kconfig options ARM: npcm: Bring back GPIOLIB support arm64: dts: fast models: Fix FVP PCI interrupt-map property
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux由 Linus Torvalds 提交于
Pull s390 updates from Vasily Gorbik: - Enable paes-s390 cipher selftests in testmgr (acked-by Herbert Xu). - Fix protected key length update in PKEY_SEC2PROTK ioctl and increase card/queue requests counter to 64-bit in crypto code. - Fix clang warning in get_tod_clock. - Fix ultravisor info length extensions handling. - Fix style of SPDX License Identifier in vfio-ccw. - Avoid unnecessary GFP_ATOMIC and simplify ACK tracking in qdio. * tag 's390-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: crypto/testmgr: enable selftests for paes-s390 ciphers s390/time: Fix clk type in get_tod_clock s390/uv: Fix handling of length extensions s390/qdio: don't allocate *aob array with GFP_ATOMIC s390/qdio: simplify ACK tracking s390/zcrypt: fix card and queue total counter wrap s390/pkey: fix missing length of protected key on return vfio-ccw: Use the correct style for SPDX License Identifier
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由 Linus Torvalds 提交于
Merge tag 'hwmon-for-v5.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: "Fix compatible string typos in the xdpe12284 driver, and a wrong bit value in the ltc2978 driver" * tag 'hwmon-for-v5.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (pmbus/xdpe12284) fix typo in compatible strings hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull scheduler fixes from Ingo Molnar: "Misc fixes all over the place: - Fix NUMA over-balancing between lightly loaded nodes. This is fallout of the big load-balancer rewrite. - Fix the NOHZ remote loadavg update logic, which fixes anomalies like reported 150 loadavg on mostly idle CPUs. - Fix XFS performance/scalability - Fix throttled groups unbound task-execution bug - Fix PSI procfs boundary condition - Fix the cpu.uclamp.{min,max} cgroup configuration write checks - Fix DocBook annotations - Fix RCU annotations - Fix overly CPU-intensive housekeeper CPU logic loop on large CPU counts" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/fair: Fix kernel-doc warning in attach_entity_load_avg() sched/core: Annotate curr pointer in rq with __rcu sched/psi: Fix OOB write when writing 0 bytes to PSI files sched/fair: Allow a per-CPU kthread waking a task to stack on the same CPU, to fix XFS performance regression sched/fair: Prevent unlimited runtime on throttled group sched/nohz: Optimize get_nohz_timer_target() sched/uclamp: Reject negative values in cpu_uclamp_write() sched/fair: Allow a small load imbalance between low utilisation SD_NUMA domains timers/nohz: Update NOHZ load in remote tick sched/core: Don't skip remote tick for idle CPUs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull perf fixes from Ingo Molnar: "Fixes and HW enablement patches: - Tooling fixes, most of which are tooling header synchronization with v5.6 changes - Fix kprobes fallout on ARM - Add Intel Elkhart Lake support and extend Tremont support, these are relatively simple and should only affect those models - Fix the AMD family 17h generic event table" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits) perf llvm: Fix script used to obtain kernel make directives to work with new kbuild tools headers kvm: Sync linux/kvm.h with the kernel sources tools headers kvm: Sync kvm headers with the kernel sources tools arch x86: Sync asm/cpufeatures.h with the kernel sources tools headers x86: Sync disabled-features.h tools include UAPI: Sync sound/asound.h copy tools headers UAPI: Sync asm-generic/mman-common.h with the kernel perf tools: Add arm64 version of get_cpuid() tools headers UAPI: Sync drm/i915_drm.h with the kernel sources tools headers uapi: Sync linux/fscrypt.h with the kernel sources tools headers UAPI: Sync sched.h with the kernel perf trace: Resolve prctl's 'option' arg strings to numbers perf beauty prctl: Export the 'options' strarray tools headers UAPI: Sync prctl.h with the kernel sources tools headers UAPI: Sync copy of arm64's asm/unistd.h with the kernel sources perf maps: Move kmap::kmaps setup to maps__insert() perf maps: Fix map__clone() for struct kmap perf maps: Mark ksymbol DSOs with kernel type perf maps: Mark module DSOs with kernel type tools include UAPI: Sync x86's syscalls_64.tbl, generic unistd.h and fcntl.h to pick up openat2 and pidfd_getfd ...
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由 Marek Behún 提交于
The input_read function declares the size of the hex array relative to sizeof(buf), but buf is a pointer argument of the function. The hex array is meant to contain hexadecimal representation of the bin array. Link: https://lore.kernel.org/r/20200215142130.22743-1-marek.behun@nic.cz Fixes: 5bc7f990 ("bus: Add support for Moxtet bus") Signed-off-by: NMarek Behún <marek.behun@nic.cz> Reported-by: Nsohu0106 <sohu0106@126.com> Signed-off-by: NOlof Johansson <olof@lixom.net>
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- 15 2月, 2020 15 次提交
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由 Theodore Ts'o 提交于
If CONFIG_QFMT_V2 is not enabled, but CONFIG_QUOTA is enabled, when a user tries to mount a file system with the quota or project quota enabled, the kernel will emit a very confusing messsage: EXT4-fs warning (device vdc): ext4_enable_quotas:5914: Failed to enable quota tracking (type=0, err=-3). Please run e2fsck to fix. EXT4-fs (vdc): mount failed We will now report an explanatory message indicating which kernel configuration options have to be enabled, to avoid customer/sysadmin confusion. Link: https://lore.kernel.org/r/20200215012738.565735-1-tytso@mit.edu Google-Bug-Id: 149093531 Fixes: 7c319d32 ("ext4: make quota as first class supported feature") Signed-off-by: NTheodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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由 Ingo Molnar 提交于
Merge tag 'perf-urgent-for-mingo-5.6-20200214' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent fixes from Arnaldo Carvalho de Melo: BPF: Arnaldo Carvalho de Melo: - Fix script used to obtain kernel make directives to work with new kbuild used for building BPF programs. maps: Jiri Olsa: - Fixup kmap->kmaps backpointer in kernel maps. arm64: John Garry: - Add arm64 version of get_cpuid() to get proper, arm64 specific output from 'perf list' and other tools. perf top: Kim Phillips: - Update kernel idle symbols so that output in AMD systems is in line with other systems. perf stat: Kim Phillips: - Don't report a null stalled cycles per insn metric. tools headers: Arnaldo Carvalho de Melo: - Sync tools/ headers with the kernel sources to get things like syscall numbers and new arguments so that 'perf trace' can decode and use them in tracepoint filters, e.g. prctl's new PR_{G,S}ET_IO_FLUSHER options. Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: NIngo Molnar <mingo@kernel.org>
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由 Gustavo A. R. Silva 提交于
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by: NGustavo A. R. Silva <gustavo@embeddedor.com> Link: https://lore.kernel.org/r/20200214172132.GA28389@embeddedorSigned-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Gustavo A. R. Silva 提交于
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by: NGustavo A. R. Silva <gustavo@embeddedor.com> Link: https://lore.kernel.org/r/20200214172022.GA27490@embeddedorSigned-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Gustavo A. R. Silva 提交于
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by: NGustavo A. R. Silva <gustavo@embeddedor.com> Link: https://lore.kernel.org/r/20200214171907.GA26588@embeddedorSigned-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.linux-nfs.org/projects/anna/linux-nfs由 Linus Torvalds 提交于
Pull NFS client bugfixes from Anna Schumaker: "The only stable fix this time is the DMA scatter-gather list bug fixed by Chuck. The rest fix up races and refcounting issues that have been found during testing. Stable fix: - fix DMA scatter-gather list mapping imbalance The rest: - fix directory verifier races - fix races between open and dentry revalidation - fix revalidation of dentries with delegations - fix "cachethis" setting for writes - fix delegation and delegation cred pinning" * tag 'nfs-for-5.6-2' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFSv4: Ensure the delegation cred is pinned when we call delegreturn NFSv4: Ensure the delegation is pinned in nfs_do_return_delegation() NFSv4.1 make cachethis=no for writes xprtrdma: Fix DMA scatter-gather list mapping imbalance NFSv4: Fix revalidation of dentries with delegations NFSv4: Fix races between open and dentry revalidation NFS: Fix up directory verifier races
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https://github.com/ceph/ceph-client由 Linus Torvalds 提交于
Pull ceph fixes from Ilya Dryomov: - make O_DIRECT | O_APPEND combination work better - redo the server path canonicalization patch that went into -rc1 - fix the 'noacl' mount option that got broken by the conversion to the new mount API in 5.5 * tag 'ceph-for-5.6-rc2' of https://github.com/ceph/ceph-client: ceph: noacl mount option is effectively ignored ceph: canonicalize server path in place ceph: do not execute direct write in parallel if O_APPEND is specified
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git://git.kernel.dk/linux-block由 Linus Torvalds 提交于
Pull io_uring fixes from Jens Axboe: "Here's a set of fixes for io_uring: - Various fixes with cleanups from Pavel, fixing corner cases where we're not correctly dealing with iovec cleanup. - Clarify that statx/openat/openat2 don't accept fixed files - Buffered raw device write EOPTNOTSUPP fix - Ensure async workers grab current->fs - A few task exit fixes with pending requests that grab the file table - send/recvmsg async load fix - io-wq offline node setup fix - CQ overflow flush in poll" * tag 'io_uring-5.6-2020-02-14' of git://git.kernel.dk/linux-block: (21 commits) io_uring: prune request from overflow list on flush io-wq: don't call kXalloc_node() with non-online node io_uring: retain sockaddr_storage across send/recvmsg async punt io_uring: cancel pending async work if task exits io-wq: add io_wq_cancel_pid() to cancel based on a specific pid io-wq: make io_wqe_cancel_work() take a match handler io_uring: fix openat/statx's filename leak io_uring: fix double prep iovec leak io_uring: fix async close() with f_op->flush() io_uring: allow AT_FDCWD for non-file openat/openat2/statx io_uring: grab ->fs as part of async preparation io-wq: add support for inheriting ->fs io_uring: retry raw bdev writes if we hit -EOPNOTSUPP io_uring: add cleanup for openat()/statx() io_uring: fix iovec leaks io_uring: remove unused struct io_async_open io_uring: flush overflowed CQ events in the io_uring_poll() io_uring: statx/openat/openat2 don't support fixed files io_uring: fix deferred req iovec leak io_uring: fix 1-bit bitfields to be unsigned ...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net由 Linus Torvalds 提交于
Pull networking fixes from David Miller: 1) Fix interrupt name truncation in mv88e6xxx dsa driver, from Andrew Lunn. 2) Process generic XDP even if SKB is cloned, from Toke Høiland-Jørgensen. 3) Fix leak of kernel memory to userspace in smc, from Eric Dumazet. 4) Add some missing netlink attribute validation to matchall and flower, from Davide Caratti. 5) Send icmp responses properly when NAT has been applied to the frame before we get to the tunnel emitting the icmp, from Jason Donenfeld. 6) Make sure there is enough SKB headroom when adding dsa tags for qca and ar9331. From Per Forlin. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (62 commits) netdevice.h: fix all kernel-doc and Sphinx warnings net: dsa: tag_ar9331: Make sure there is headroom for tag net: dsa: tag_qca: Make sure there is headroom for tag net, ip6_tunnel: enhance tunnel locate with link check net/smc: no peer ID in CLC decline for SMCD net/smc: transfer fasync_list in case of fallback net: hns3: fix a copying IPv6 address error in hclge_fd_get_flow_tuples() net: hns3: fix VF bandwidth does not take effect in some case net: hns3: add management table after IMP reset mac80211: fix wrong 160/80+80 MHz setting cfg80211: add missing policy for NL80211_ATTR_STATUS_CODE xfrm: interface: use icmp_ndo_send helper wireguard: device: use icmp_ndo_send helper sunvnet: use icmp_ndo_send helper gtp: use icmp_ndo_send helper icmp: introduce helper for nat'd source address in network device context net/sched: flower: add missing validation of TCA_FLOWER_FLAGS net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS net/flow_dissector: remove unexist field description page_pool: refill page when alloc.count of pool is zero ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm由 Linus Torvalds 提交于
Pull power management fixes from Rafael Wysocki: "Fix three issues related to the handling of wakeup events signaled through the ACPI SCI while suspended to idle (Rafael Wysocki) and unexport an internal cpufreq variable (Yangtao Li)" * tag 'pm-5.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: PM: s2idle: Prevent spurious SCIs from waking up the system ACPICA: Introduce acpi_any_gpe_status_set() ACPI: PM: s2idle: Avoid possible race related to the EC GPE ACPI: EC: Fix flushing of pending work cpufreq: Make cpufreq_global_kobject static
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound由 Linus Torvalds 提交于
Pull sound fixes from Takashi Iwai: "The only common change is the regression fix of the previous PCM fix patch for managed buffers while the rest are usual suspects, USB-audio and HD-audio device-specific quirks. The change for UAC2 clock validation workaround became a bit big, but the changes are fairly straightforward" * tag 'sound-5.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: pcm: Fix double hw_free calls ALSA: usb-audio: Add clock validity quirk for Denon MC7000/MCX8000 ALSA: hda/realtek - Fix silent output on MSI-GL73 ALSA: hda/realtek - Add more codec supported Headset Button ALSA: usb-audio: Apply sample rate quirk for Audioengine D1 ALSA: usb-audio: Fix UAC2/3 effect unit parsing ALSA: usb-audio: Apply 48kHz fixed rate playback for Jabra Evolve 65 headset
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git://anongit.freedesktop.org/drm/drm由 Linus Torvalds 提交于
Pull drm fixes from Dave Airlie: "The core has a build fix for edid code on certain compilers/arches/, one MST fix and one vgem fix. Regular amdgpu fixes, and a couple of small driver fixes. The i915 fixes are bit larger than normal for this stage, but they were having CI issues last week, and they hadn't sent any fixes last week due to this. core: - edid build fix mst: - fix NULL ptr deref vgem: - fix close after free msm: - better dma-api usage sun4i: - disable allow_fb_modifiers amdgpu: - Additional OD fixes for navi - Misc display fixes - VCN 2.5 DPG fix - Prevent build errors on PowerPC on some configs - GDS EDC fix i915: - dsi/acpi fixes - gvt locking and allocation fixes - gem/gt fixes - bios timing parameters fix" * tag 'drm-fixes-2020-02-14' of git://anongit.freedesktop.org/drm/drm: (50 commits) drm/i915: Mark the removal of the i915_request from the sched.link drm/i915/execlists: Reclaim the hanging virtual request drm/i915/execlists: Take a reference while capturing the guilty request drm/i915/execlists: Offline error capture drm/i915/gt: Allow temporary suspension of inflight requests drm/i915: Keep track of request among the scheduling lists drm/i915/gem: Tighten checks and acquiring the mmap object drm/i915: Fix preallocated barrier list append drm/i915/gt: Acquire ce->active before ce->pin_count/ce->pin_mutex drm/i915: Tighten atomicity of i915_active_acquire vs i915_active_release drm/i915: Stub out i915_gpu_coredump_put drm/amdgpu:/navi10: use the ODCAP enum to index the caps array drm/amdgpu: update smu_v11_0_pptable.h drm/amdgpu: correct comment to clear up the confusion drm/amd/display: DCN2.x Do not program DPPCLK if same value drm/amd/display: Don't map ATOM_ENABLE to ATOM_INIT drm/amdgpu/vcn2.5: fix warning drm/amdgpu: limit GDS clearing workaround in cold boot sequence drm/amdgpu: fix amdgpu pmu to use hwc->config instead of hwc->conf amdgpu: Prevent build errors regarding soft/hard-float FP ABI tags ...
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由 Jason Gunthorpe 提交于
On i386: ERROR: "__udivdi3" [drivers/infiniband/hw/mlx5/mlx5_ib.ko] undefined! ERROR: "__divdi3" [drivers/infiniband/hw/mlx5/mlx5_ib.ko] undefined! Fixes: f164be8c ("IB/mlx5: Extend caps stage to handle VAR capabilities") Reported-by: NRandy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Reported-by: NAlexander Lobakin <alobakin@dlink.ru> Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>
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由 Yi Zhang 提交于
nvme fw-activate operation will get bellow warning log, fix it by update the parameter order [ 113.231513] nvme nvme0: Get FW SLOT INFO log error Fixes: 0e98719b ("nvme: simplify the API for getting log pages") Reported-by: NSujith Pandel <sujith_pandel@dell.com> Reviewed-by: NDavid Milburn <dmilburn@redhat.com> Signed-off-by: NYi Zhang <yi.zhang@redhat.com> Signed-off-by: NKeith Busch <kbusch@kernel.org> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 Keith Busch 提交于
Many users have reported nvme triggered irq_startup() warnings during shutdown. The driver uses the nvme queue's irq to synchronize scanning for completions, and enabling an interrupt affined to only offline CPUs triggers the alarming warning. Move the final CQE check to after disabling the device and all registered interrupts have been torn down so that we do not have any IRQ to synchronize. Link: https://bugzilla.kernel.org/show_bug.cgi?id=206509Reviewed-by: NSagi Grimberg <sagi@grimberg.me> Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NKeith Busch <kbusch@kernel.org> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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