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203a55f04f
When insmod ubifs.ko, a kmemleak reported as below:
unreferenced object 0xffff88817fb1a780 (size 8):
comm "insmod", pid 25265, jiffies 4295239702 (age 100.130s)
hex dump (first 8 bytes):
75 62 69 66 73 00 ff ff ubifs...
backtrace:
[<ffffffff81b3fc4c>] slab_post_alloc_hook+0x9c/0x3c0
[<ffffffff81b44bf3>] __kmalloc_track_caller+0x183/0x410
[<ffffffff8198d3da>] kstrdup+0x3a/0x80
[<ffffffff8198d486>] kstrdup_const+0x66/0x80
[<ffffffff83989325>] kvasprintf_const+0x155/0x190
[<ffffffff83bf55bb>] kobject_set_name_vargs+0x5b/0x150
[<ffffffff83bf576b>] kobject_set_name+0xbb/0xf0
[<ffffffff8100204c>] do_one_initcall+0x14c/0x5a0
[<ffffffff8157e380>] do_init_module+0x1f0/0x660
[<ffffffff815857be>] load_module+0x6d7e/0x7590
[<ffffffff8158644f>] __do_sys_finit_module+0x19f/0x230
[<ffffffff815866b3>] __x64_sys_finit_module+0x73/0xb0
[<ffffffff88c98e85>] do_syscall_64+0x35/0x80
[<ffffffff88e00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
When kset_register() failed, we should call kset_put to cleanup it.
Fixes:
|
||
---|---|---|
arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
fs | ||
include | ||
init | ||
io_uring | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
rust | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
.rustfmt.toml | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
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.