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David Howells 6f26229832 afs: Fix use-after-loss-of-ref 
commit 40a708bd62 upstream.

afs_lookup() has a tracepoint to indicate the outcome of
d_splice_alias(), passing it the inode to retrieve the fid from.
However, the function gave up its ref on that inode when it called
d_splice_alias(), which may have failed and dropped the inode.

Fix this by caching the fid.

Fixes: 80548b0399 ("afs: Add more tracepoints")
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-17 19:48:41 +01:00
arch
syscalls/x86: Fix function types in COND_SYSCALL
2020-01-17 19:48:31 +01:00
block
fs: move guard_bio_eod() after bio_set_op_attrs
2020-01-17 19:48:21 +01:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
KEYS: asymmetric: return ENOMEM if akcipher_request_alloc() fails
2019-12-31 16:46:07 +01:00
Documentation
ASoC: dt-bindings: mt8183: add missing update
2020-01-17 19:48:33 +01:00
drivers
RDMA/srpt: Report the SCSI residual to the initiator
2020-01-17 19:48:40 +01:00
fs
afs: Fix use-after-loss-of-ref
2020-01-17 19:48:41 +01:00
include
afs: Fix use-after-loss-of-ref
2020-01-17 19:48:41 +01:00
init
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
ipc
ipc/sem.c: convert to use built-in RCU list checking
2019-09-25 17:51:41 -07:00
kernel
bpf: Make use of probe_user_write in probe write helper
2020-01-17 19:48:40 +01:00
lib
sbitmap: only queue kyber's wait callback if not already active
2020-01-12 12:21:44 +01:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
uaccess: Add non-pagefault user-space write function
2020-01-17 19:48:40 +01:00
net
bpf: skmsg, fix potential psock NULL pointer dereference
2020-01-17 19:48:40 +01:00
samples
samples: bpf: fix syscall_tp due to unused syscall
2020-01-12 12:21:26 +01:00
scripts
bpf: Support pre-2.25-binutils objcopy for vmlinux BTF
2020-01-17 19:48:41 +01:00
security
apparmor: fix aa_xattrs_match() may sleep while holding a RCU lock
2020-01-09 10:20:00 +01:00
sound
ASoC: rsnd: fix DALIGN register for SSIU
2020-01-17 19:48:35 +01:00
tools
libbpf: Fix Makefile' libbpf symbol mismatch diagnostic
2020-01-17 19:48:41 +01:00
usr
gen_initramfs_list.sh: fix 'bad variable name' error
2020-01-09 10:20:00 +01:00
virt
KVM: arm/arm64: Properly handle faulting of device mappings
2019-12-31 16:46:24 +01:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Merge tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
2019-09-22 10:34:46 -07:00
.mailmap
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
MAINTAINERS: Append missed file to the database
2020-01-17 19:48:28 +01:00
Makefile
Linux 5.4.12
2020-01-14 20:08:40 +01:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
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