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Joel Slebodnick eacfd7f07e scsi: ufs: core: Free memory allocated for model before reinit 
commit 135c6eb27a upstream.

Under the conditions that a device is to be reinitialized within
ufshcd_probe_hba(), the device must first be fully reset.

Resetting the device should include freeing U8 model (member of dev_info)
but does not, and this causes a memory leak.  ufs_put_device_desc() is
responsible for freeing model.

unreferenced object 0xffff3f63008bee60 (size 32):
  comm "kworker/u33:1", pid 60, jiffies 4294892642
  hex dump (first 32 bytes):
    54 48 47 4a 46 47 54 30 54 32 35 42 41 5a 5a 41  THGJFGT0T25BAZZA
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc ed7ff1a9):
    [<ffffb86705f1243c>] kmemleak_alloc+0x34/0x40
    [<ffffb8670511cee4>] __kmalloc_noprof+0x1e4/0x2fc
    [<ffffb86705c247fc>] ufshcd_read_string_desc+0x94/0x190
    [<ffffb86705c26854>] ufshcd_device_init+0x480/0xdf8
    [<ffffb86705c27b68>] ufshcd_probe_hba+0x3c/0x404
    [<ffffb86705c29264>] ufshcd_async_scan+0x40/0x370
    [<ffffb86704f43e9c>] async_run_entry_fn+0x34/0xe0
    [<ffffb86704f34638>] process_one_work+0x154/0x298
    [<ffffb86704f34a74>] worker_thread+0x2f8/0x408
    [<ffffb86704f3cfa4>] kthread+0x114/0x118
    [<ffffb86704e955a0>] ret_from_fork+0x10/0x20

Fixes: 96a7141da3 ("scsi: ufs: core: Add support for reinitializing the UFS device")
Cc: <stable@vger.kernel.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Joel Slebodnick <jslebodn@redhat.com>
Link: https://lore.kernel.org/r/20240613200202.2524194-1-jslebodn@redhat.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-27 13:49:11 +02:00
arch arm64: defconfig: enable the vf610 gpio driver 2024-06-27 13:49:10 +02:00
block block/ioctl: prefer different overflow check 2024-06-27 13:49:01 +02:00
certs certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:47:39 +02:00
Documentation mm: fix race between __split_huge_pmd_locked() and GUP-fast 2024-06-16 13:47:40 +02:00
drivers scsi: ufs: core: Free memory allocated for model before reinit 2024-06-27 13:49:11 +02:00
fs btrfs: retry block group reclaim without infinite loop 2024-06-27 13:49:11 +02:00
include locking/atomic: scripts: fix ${atomic}_sub_and_test() kerneldoc 2024-06-27 13:49:11 +02:00
init smp: Provide 'setup_max_cpus' definition on UP too 2024-06-16 13:47:49 +02:00
io_uring io_uring/rsrc: fix incorrect assignment of iter->nr_segs in io_import_fixed 2024-06-27 13:49:10 +02:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel tracing: Build event generation tests only as modules 2024-06-27 13:49:05 +02:00
lib lib/test_hmm.c: handle src_pfns and dst_pfns allocation failure 2024-06-12 11:12:08 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/huge_memory: don't unpoison huge_zero_folio 2024-06-21 14:38:46 +02:00
net net: do not leave a dangling sk pointer, when socket creation fails 2024-06-27 13:49:11 +02:00
rust rust: kernel: require Send for Module implementations 2024-05-17 12:01:56 +02:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:24:47 +01:00
scripts locking/atomic: scripts: fix ${atomic}_sub_and_test() kerneldoc 2024-06-27 13:49:11 +02:00
security ima: Fix use-after-free on a dentry's dname.name 2024-06-21 14:38:48 +02:00
sound ALSA: hda/realtek: Enable headset mic on IdeaPad 330-17IKB 81DM 2024-06-27 13:49:06 +02:00
tools selftests: openvswitch: Use bash as interpreter 2024-06-27 13:49:07 +02:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-03 15:28:18 +02:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: rename binkernel.spec to kernel.spec 2023-07-25 00:59:33 +09:00
.mailmap 20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues 2023-10-24 09:52:16 -10:00
.rustfmt.toml
COPYING
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig
MAINTAINERS pwm: Rename pwm_apply_state() to pwm_apply_might_sleep() 2024-06-12 11:12:24 +02:00
Makefile Linux 6.6.35 2024-06-21 14:38:50 +02:00
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.