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6d281b1f79
Kmemleak reported memory leak after suspend and resume:
unreferenced object 0xffffffc0e31d8880 (size 128):
comm "bash", pid 181, jiffies 4294763583 (age 24.694s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 20 a2 eb c0 ff ff ff ......... ......
01 00 00 00 00 00 00 00 80 87 1d e3 c0 ff ff ff ................
backtrace:
[<ffffffc00034bb64>] __save_stack_trace+0x48/0x6c
[<ffffffc00034c244>] create_object+0x138/0x254
[<ffffffc0009dd218>] kmemleak_alloc+0x58/0x8c
[<ffffffc000346de4>] kmem_cache_alloc_trace+0x188/0x254
[<ffffffc0005af4c0>] drm_atomic_state_alloc+0x3c/0x88
[<ffffffc000591f0c>] drm_atomic_helper_duplicate_state+0x28/0x158
[<ffffffc000592098>] drm_atomic_helper_suspend+0x5c/0xf0
Problem here is that we are duplicating the drm_atomic_state in
drm_atomic_helper_suspend(), but not unreference it in the resume path.
Fixes:
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|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.