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Chaitanya Kulkarni 6a5eda5017 nvme-core: fix memory leak in dhchap_secret_store [ Upstream commit `a836ca33c5` ] Free dhchap_secret in nvme_ctrl_dhchap_secret_store() before we return fix following kmemleack:- unreferenced object 0xffff8886376ea800 (size 64): comm "check", pid 22048, jiffies 4344316705 (age 92.199s) hex dump (first 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67 DHHC-1:00:nxr5Kg 75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c uX4uoAxsJa4c/huL backtrace: [<0000000030ce5d4b>] __kmalloc+0x4b/0x130 [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core] [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0 [<00000000437e7ced>] vfs_write+0x2ba/0x3c0 [<00000000f9491baf>] ksys_write+0x5f/0xe0 [<000000001c46513d>] do_syscall_64+0x3b/0x90 [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc unreferenced object 0xffff8886376eaf00 (size 64): comm "check", pid 22048, jiffies 4344316736 (age 92.168s) hex dump (first 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67 DHHC-1:00:nxr5Kg 75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c uX4uoAxsJa4c/huL backtrace: [<0000000030ce5d4b>] __kmalloc+0x4b/0x130 [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core] [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0 [<00000000437e7ced>] vfs_write+0x2ba/0x3c0 [<00000000f9491baf>] ksys_write+0x5f/0xe0 [<000000001c46513d>] do_syscall_64+0x3b/0x90 [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc Fixes: `f50fff73d6` ("nvme: implement In-Band authentication") Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com> Tested-by: Yi Zhang <yi.zhang@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2023-07-19 16:35:09 +02:00
arch	x86/sev: Fix calculation of end address based on number of pages	2023-07-19 16:35:08 +02:00
block	blk-mq: fix potential io hang by wrong 'wake_batch'	2023-07-19 16:35:09 +02:00
certs	KEYS: Add missing function documentation	2023-04-24 16:15:52 +03:00
crypto	KEYS: asymmetric: Copy sig and digest in public_key_verify_signature()	2023-06-02 15:36:23 +02:00
Documentation	dt-bindings: iio: ad7192: Add mandatory reference voltage source	2023-07-19 16:35:05 +02:00
drivers	nvme-core: fix memory leak in dhchap_secret_store	2023-07-19 16:35:09 +02:00
fs	lockd: drop inappropriate svc_get() from locked_get()	2023-07-19 16:35:09 +02:00
include	blk-mq: fix potential io hang by wrong 'wake_batch'	2023-07-19 16:35:09 +02:00
init	start_kernel: Add __no_stack_protector function attribute	2023-07-19 16:35:05 +02:00
io_uring	io_uring/net: use the correct msghdr union member in io_sendmsg_copy_hdr	2023-06-21 07:34:17 -06:00
ipc	Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2023-02-24 19:20:07 -08:00
kernel	fork: lock VMAs of the parent process when forking	2023-07-11 06:31:05 +02:00
lib	maple_tree: fix potential out-of-bounds access in mas_wr_end_piv()	2023-07-01 13:12:38 +02:00
LICENSES	LICENSES: Add the copyleft-next-0.3.1 license	2022-11-08 15:44:01 +01:00
mm	splice: Fix filemap_splice_read() to use the correct inode	2023-07-19 16:35:07 +02:00
net	can: isotp: isotp_sendmsg(): fix return error fix on TX path	2023-07-01 13:12:38 +02:00
rust	Rust changes for v6.4	2023-04-30 11:20:22 -07:00
samples	samples/bpf: Drop unnecessary fallthrough	2023-05-16 19:44:05 +02:00
scripts	scripts/tags.sh: Resolve gtags empty index generation	2023-07-05 18:30:30 +01:00
security	selinux: don't use make's grouped targets feature yet	2023-06-01 13:56:13 -04:00
sound	ASoC: Fix for v6.4	2023-06-21 15:23:23 +02:00
tools	Revert "cxl/port: Enable the HDM decoder capability for switch ports"	2023-07-05 18:30:30 +01:00
usr	initramfs: Check negative timestamp to prevent broken cpio archive	2023-04-16 17:37:01 +09:00
virt	KVM: Avoid illegal stage2 mapping on invalid memory slot	2023-06-22 15:14:57 -04:00
.clang-format	cxl for v6.4	2023-04-30 11:51:51 -07:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.get_maintainer.ignore	get_maintainer: add Alan to .get_maintainer.ignore	2022-08-20 15:17:44 -07:00
.gitattributes	.gitattributes: use 'dts' diff driver for *.dtso files	2023-02-26 15:28:23 +09:00
.gitignore	linux-kselftest-kunit-6.4-rc1	2023-04-24 12:31:32 -07:00
.mailmap	mailmap: add entries for Ben Dooks	2023-06-19 13:19:35 -07:00
.rustfmt.toml	rust: add `.rustfmt.toml`	2022-09-28 09:02:20 +02:00
COPYING	COPYING: state that all contributions really are covered by this file	2020-02-10 13:32:20 -08:00
CREDITS	MAINTAINERS: sctp: move Neil to CREDITS	2023-05-12 08:51:32 +01:00
Kbuild	Kbuild updates for v6.1	2022-10-10 12:00:45 -07:00
Kconfig	kbuild: ensure full rebuild when the compiler is updated	2020-05-12 13:28:33 +09:00
MAINTAINERS	Networking fixes for 6.4-rc8, including fixes from ipsec, bpf,	2023-06-22 17:59:51 -07:00
Makefile	Linux 6.4.3	2023-07-11 06:31:05 +02:00
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.