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Ruan Jinjie abbf73816b kunit: fix possible memory leak in kunit_filter_suites() 
Inject fault while probing drm_kunit_helpers.ko, if one of
kunit_next_attr_filter(), kunit_filter_glob_tests() and
kunit_filter_attr_tests() fails, parsed_filters,
parsed_glob.suite_glob/test_glob alloced in
kunit_parse_glob_filter() is leaked.
And the filtered_suite->test_cases alloced in kunit_filter_glob_tests()
or kunit_filter_attr_tests() may also be leaked.

unreferenced object 0xff110001067e4800 (size 1024):
  comm "kunit_try_catch", pid 96, jiffies 4294671796 (age 763.547s)
  hex dump (first 32 bytes):
    73 75 69 74 65 32 00 00 00 00 00 00 00 00 00 00  suite2..........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000116e8eba>] __kmalloc_node_track_caller+0x4e/0x140
    [<00000000e2f9cce9>] kmemdup+0x2c/0x60
    [<000000002a36710b>] kunit_filter_suites+0x3e4/0xa50
    [<0000000045779fb9>] filter_suites_test+0x1b7/0x440
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000105d79b00 (size 192):
  comm "kunit_try_catch", pid 96, jiffies 4294671796 (age 763.547s)
  hex dump (first 32 bytes):
    f0 e1 5a 88 ff ff ff ff 60 59 bb 8a ff ff ff ff  ..Z.....`Y......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000000d6e4891>] __kmalloc+0x4d/0x140
    [<000000006afe50bd>] kunit_filter_suites+0x424/0xa50
    [<0000000045779fb9>] filter_suites_test+0x1b7/0x440
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff110001067e6000 (size 1024):
  comm "kunit_try_catch", pid 98, jiffies 4294671798 (age 763.545s)
  hex dump (first 32 bytes):
    73 75 69 74 65 32 00 00 00 00 00 00 00 00 00 00  suite2..........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000116e8eba>] __kmalloc_node_track_caller+0x4e/0x140
    [<00000000e2f9cce9>] kmemdup+0x2c/0x60
    [<000000002a36710b>] kunit_filter_suites+0x3e4/0xa50
    [<00000000f452f130>] filter_suites_test_glob_test+0x1b7/0x660
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000103f3a800 (size 96):
  comm "kunit_try_catch", pid 98, jiffies 4294671798 (age 763.545s)
  hex dump (first 32 bytes):
    f0 e1 5a 88 ff ff ff ff 40 39 bb 8a ff ff ff ff  ..Z.....@9......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000000d6e4891>] __kmalloc+0x4d/0x140
    [<000000006afe50bd>] kunit_filter_suites+0x424/0xa50
    [<00000000f452f130>] filter_suites_test_glob_test+0x1b7/0x660
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000101a72ac0 (size 16):
  comm "kunit_try_catch", pid 104, jiffies 4294671814 (age 763.529s)
  hex dump (first 16 bytes):
    00 00 00 00 00 00 00 00 e0 2a a7 01 01 00 11 ff  .........*......
  backtrace:
    [<000000000d6e4891>] __kmalloc+0x4d/0x140
    [<00000000c7b724e7>] kunit_filter_suites+0x108/0xa50
    [<00000000bad5427d>] filter_attr_test+0x1e9/0x6a0
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000103caf880 (size 32):
  comm "kunit_try_catch", pid 104, jiffies 4294671814 (age 763.547s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000000d6e4891>] __kmalloc+0x4d/0x140
    [<00000000c47b0f75>] kunit_filter_suites+0x189/0xa50
    [<00000000bad5427d>] filter_attr_test+0x1e9/0x6a0
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000101a72ae0 (size 16):
  comm "kunit_try_catch", pid 106, jiffies 4294671823 (age 763.538s)
  hex dump (first 16 bytes):
    00 00 00 00 00 00 00 00 00 2b a7 01 01 00 11 ff  .........+......
  backtrace:
    [<000000000d6e4891>] __kmalloc+0x4d/0x140
    [<00000000c7b724e7>] kunit_filter_suites+0x108/0xa50
    [<0000000096255c51>] filter_attr_empty_test+0x1b0/0x310
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000103caf9c0 (size 32):
  comm "kunit_try_catch", pid 106, jiffies 4294671823 (age 763.538s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000000d6e4891>] __kmalloc+0x4d/0x140
    [<00000000c47b0f75>] kunit_filter_suites+0x189/0xa50
    [<0000000096255c51>] filter_attr_empty_test+0x1b0/0x310
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000101a72b00 (size 16):
  comm "kunit_try_catch", pid 108, jiffies 4294671832 (age 763.529s)
  hex dump (first 16 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000000d6e4891>] __kmalloc+0x4d/0x140
    [<00000000c47b0f75>] kunit_filter_suites+0x189/0xa50
    [<00000000881258cc>] filter_attr_skip_test+0x148/0x770
    [<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
    [<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
    [<00000000d195ac13>] kthread+0x2c7/0x3c0
    [<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
    [<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30

Fixes: 5d31f71efc ("kunit: add kunit.filter_glob cmdline option to filter suites")
Fixes: 529534e8cb ("kunit: Add ability to filter attributes")
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-04 13:41:47 -06:00
arch - Do FPU AP initialization on Xen PV too which got missed by the recent 2023-07-09 10:13:32 -07:00
block block-6.5-2023-07-03 2023-07-03 18:48:38 -07:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto This update includes the following changes: 2023-06-30 21:27:13 -07:00
Documentation kunit: Add documentation of KUnit test attributes 2023-07-26 13:29:46 -06:00
drivers Fixes for pci_clean_master, error handling in driver inits, and various 2023-07-09 09:35:51 -07:00
fs Minor cleanups for 6.5: 2023-07-09 09:50:42 -07:00
include kunit: Add ability to filter attributes 2023-07-26 13:29:15 -06:00
init Kbuild updates for v6.5 2023-07-01 09:24:31 -07:00
io_uring io_uring-6.5-2023-07-03 2023-07-03 18:43:10 -07:00
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 kunit: time: Mark test as slow using test attributes 2023-07-26 13:29:35 -06:00
lib kunit: fix possible memory leak in kunit_filter_suites() 2023-08-04 13:41:47 -06:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm: lock newly mapped VMA with corrected ordering 2023-07-08 16:44:11 -07:00
net Including fixes from bluetooth, bpf and wireguard. 2023-07-05 15:44:45 -07:00
rust rust: support running Rust documentation tests as KUnit ones 2023-07-19 09:32:53 -06:00
samples Including fixes from bluetooth, bpf and wireguard. 2023-07-05 15:44:45 -07:00
scripts rust: support running Rust documentation tests as KUnit ones 2023-07-19 09:32:53 -06:00
security + Bug Fixes 2023-07-07 09:55:31 -07:00
sound sound fixes for 6.5-rc1 2023-07-07 15:40:17 -07:00
tools kunit: tool: Add command line interface to filter and report attributes 2023-07-26 13:29:21 -06:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt ARM64: 2023-07-03 15:32:22 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Revert ".gitignore: ignore *.cover and *.mbx" 2023-07-04 15:05:12 -07:00
.mailmap 16 hotfixes. Six are cc:stable and the remainder address post-6.4 issues. 2023-07-08 14:30:25 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS - Address -Wmissing-prototype warnings 2023-06-26 16:43:54 -07:00
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: add Rust KUnit files to the KUnit entry 2023-07-19 09:32:59 -06:00
Makefile Linux 6.5-rc1 2023-07-09 13:53:13 -07:00
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.