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Jeff Layton 08683ece6e nfsd: fix handling of readdir in v4root vs. mount upcall timeout 
commit cad853374d upstream.

If v4 READDIR operation hits a mountpoint and gets back an error,
then it will include that entry in the reply and set RDATTR_ERROR for it
to the error.

That's fine for "normal" exported filesystems, but on the v4root, we
need to be more careful to only expose the existence of dentries that
lead to exports.

If the mountd upcall times out while checking to see whether a
mountpoint on the v4root is exported, then we have no recourse other
than to fail the whole operation.

Cc: Steve Dickson <steved@redhat.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216777
Reported-by: JianHong Yin <yin-jianhong@163.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-12 12:00:45 +01:00
arch x86/bugs: Flush IBP in ib_prctl_set() 2023-01-12 12:00:45 +01:00
block block: mq-deadline: Do not break sequential write streams to zoned HDDs 2023-01-07 11:15:54 +01:00
certs
crypto crypto: tcrypt - Fix multibuffer skcipher speed test mem leak 2022-12-31 13:26:20 +01:00
Documentation ext4: journal_path mount options should follow links 2023-01-07 11:16:02 +01:00
drivers nvme: also return I/O command effects from nvme_command_effects 2023-01-12 12:00:44 +01:00
fs nfsd: fix handling of readdir in v4root vs. mount upcall timeout 2023-01-12 12:00:45 +01:00
include btrfs: separate BLOCK_GROUP_TREE compat RO flag from EXTENT_TREE_V2 2023-01-12 12:00:44 +01:00
init init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash 2022-12-02 17:43:11 +01:00
io_uring io_uring: check for valid register opcode earlier 2023-01-12 12:00:43 +01:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:25:48 +01:00
kernel tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line 2023-01-07 11:15:52 +01:00
lib test_kprobes: Fix implicit declaration error of test_kprobes 2023-01-07 11:15:58 +01:00
LICENSES
mm mm, compaction: fix fast_isolate_around() to stay within boundaries 2023-01-04 11:26:30 +01:00
net 9p/client: fix data race on req->status 2023-01-12 12:00:42 +01:00
samples samples: vfio-mdev: Fix missing pci_disable_device() in mdpy_fb_probe() 2022-12-31 13:26:28 +01:00
scripts scripts/faddr2line: Fix regression in name resolution on ppc64le 2022-12-08 11:30:14 +01:00
security device_cgroup: Roll back to original exceptions after copy failure 2023-01-07 11:15:59 +01:00
sound ASoC: SOF: Intel: pci-tgl: unblock S5 entry if DMA stop has failed" 2023-01-12 12:00:44 +01:00
tools perf stat: Fix handling of --for-each-cgroup with --bpf-counters to match non BPF mode 2023-01-12 12:00:41 +01:00
usr
virt KVM: Update gfn_to_pfn_cache khva when it moves within the same page 2022-12-02 17:43:13 +01:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-14 11:40:58 +01:00
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Makefile Linux 6.0.18 2023-01-07 11:16:07 +01:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.