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Xiaolei Wang f4ef928ca5 remoteproc: core: Release rproc->clean_table after rproc_attach() fails 
commit bcd241230f upstream.

When rproc->state = RPROC_DETACHED is attached to remote processor
through rproc_attach(), if rproc_handle_resources() returns failure,
then the clean table should be released, otherwise the following
memory leak will occur.

unreferenced object 0xffff000086a99800 (size 1024):
comm "kworker/u12:3", pid 59, jiffies 4294893670 (age 121.140s)
hex dump (first 32 bytes):
00 00 00 00 00 80 00 00 00 00 00 00 00 00 10 00 ............
00 00 00 00 00 00 08 00 00 00 00 00 00 00 00 00 ............
backtrace:
 [<000000008bbe4ca8>] slab_post_alloc_hook+0x98/0x3fc
 [<000000003b8a272b>] __kmem_cache_alloc_node+0x13c/0x230
 [<000000007a507c51>] __kmalloc_node_track_caller+0x5c/0x260
 [<0000000037818dae>] kmemdup+0x34/0x60
 [<00000000610f7f57>] rproc_boot+0x35c/0x56c
 [<0000000065f8871a>] rproc_add+0x124/0x17c
 [<00000000497416ee>] imx_rproc_probe+0x4ec/0x5d4
 [<000000003bcaa37d>] platform_probe+0x68/0xd8
 [<00000000771577f9>] really_probe+0x110/0x27c
 [<00000000531fea59>] __driver_probe_device+0x78/0x12c
 [<0000000080036a04>] driver_probe_device+0x3c/0x118
 [<000000007e0bddcb>] __device_attach_driver+0xb8/0xf8
 [<000000000cf1fa33>] bus_for_each_drv+0x84/0xe4
 [<000000001a53b53e>] __device_attach+0xfc/0x18c
 [<00000000d1a2a32c>] device_initial_probe+0x14/0x20
 [<00000000d8f8b7ae>] bus_probe_device+0xb0/0xb4
 unreferenced object 0xffff0000864c9690 (size 16):

Fixes: 9dc9507f18 ("remoteproc: Properly deal with the resource table when detaching")
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250430092043.1819308-3-xiaolei.wang@windriver.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-06-27 11:11:24 +01:00
arch mips: Add -std= flag specified in KBUILD_CFLAGS to vdso CFLAGS 2025-06-27 11:11:24 +01:00
block block: Clear BIO_EMULATES_ZONE_APPEND flag on BIO completion 2025-06-27 11:11:19 +01:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: api - Redo lookup on EEXIST 2025-06-19 15:31:30 +02:00
Documentation regulator: dt-bindings: mt6357: Drop fixed compatible requirement 2025-06-19 15:32:37 +02:00
drivers remoteproc: core: Release rproc->clean_table after rproc_attach() fails 2025-06-27 11:11:24 +01:00
fs ovl: Fix nested backing file paths 2025-06-27 11:11:24 +01:00
include bus: firewall: Fix missing static inline annotations for stubs 2025-06-27 11:11:19 +01:00
init rust: clean Rust 1.88.0's unnecessary_transmutes lint 2025-05-18 08:24:51 +02:00
io_uring io_uring/kbuf: account ring io_buffer_list memory 2025-06-27 11:11:14 +01:00
ipc ipc: fix to protect IPCS lookups using RCU 2025-06-27 11:11:22 +01:00
kernel ftrace: Fix UAF when lookup kallsym after ftrace disabled 2025-06-27 11:11:23 +01:00
lib iov_iter: use iov_offset for length calculation in iov_iter_aligned_bvec 2025-06-19 15:32:21 +02:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm mm: fix ratelimit_pages update error in dirty_ratio_handler() 2025-06-27 11:11:22 +01:00
net net/sched: fix use-after-free in taprio_dev_notifier 2025-06-27 11:11:21 +01:00
rust rust: alloc: add missing invariant in Vec::set_len() 2025-06-19 15:32:09 +02:00
samples samples/bpf: Fix compilation failure for samples/bpf on LoongArch Fedora 2025-05-29 11:02:01 +02:00
scripts randstruct: gcc-plugin: Fix attribute addition 2025-06-19 15:32:04 +02:00
security smack: Revert "smackfs: Added check catlen" 2025-05-29 11:02:48 +02:00
sound ASoC: codecs: wcd937x: Drop unused buck_supply 2025-06-27 11:11:19 +01:00
tools tools/resolve_btfids: Fix build when cross compiling kernel with clang. 2025-06-19 15:32:33 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 13:02:18 +01:00
virt KVM: Add member to struct kvm_gfn_range to indicate private/shared 2025-05-22 14:29:36 +02:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-18 08:24:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore rust: introduce .clippy.toml 2025-03-13 13:01:42 +01:00
.mailmap mailmap: add entry for Thorsten Blum 2024-11-07 14:14:59 -08:00
.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: Remove self from DSA entry 2024-11-03 12:52:38 -08:00
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 MAINTAINERS: Update Alexey Makhalov's email address 2025-05-22 14:29:46 +02:00
Makefile Linux 6.12.34 2025-06-19 15:32:38 +02:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.