mirror of
git://git.yoctoproject.org/linux-yocto.git
synced 2025-08-21 16:31:14 +02:00
add4163aca
modprobe drm_hdmi_state_helper_test and then rmmod it, the following
memory leak occurs.
The `mode` allocated in drm_mode_duplicate() called by
drm_display_mode_from_cea_vic() is not freed, which cause the memory leak:
unreferenced object 0xffffff80ccd18100 (size 128):
comm "kunit_try_catch", pid 1851, jiffies 4295059695
hex dump (first 32 bytes):
57 62 00 00 80 02 90 02 f0 02 20 03 00 00 e0 01 Wb........ .....
ea 01 ec 01 0d 02 00 00 0a 00 00 00 00 00 00 00 ................
backtrace (crc c2f1aa95):
[<000000000f10b11b>] kmemleak_alloc+0x34/0x40
[<000000001cd4cf73>] __kmalloc_cache_noprof+0x26c/0x2f4
[<00000000f1f3cffa>] drm_mode_duplicate+0x44/0x19c
[<000000008cbeef13>] drm_display_mode_from_cea_vic+0x88/0x98
[<0000000019daaacf>] 0xffffffedc11ae69c
[<000000000aad0f85>] kunit_try_run_case+0x13c/0x3ac
[<00000000a9210bac>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<000000000a0b2e9e>] kthread+0x2e8/0x374
[<00000000bd668858>] ret_from_fork+0x10/0x20
......
Free `mode` by using drm_kunit_display_mode_from_cea_vic()
to fix it.
Cc: stable@vger.kernel.org
Fixes:
|
||
|---|---|---|
| .. | ||
| .kunitconfig | ||
| drm_buddy_test.c | ||
| drm_client_modeset_test.c | ||
| drm_cmdline_parser_test.c | ||
| drm_connector_test.c | ||
| drm_damage_helper_test.c | ||
| drm_dp_mst_helper_test.c | ||
| drm_exec_test.c | ||
| drm_format_helper_test.c | ||
| drm_format_test.c | ||
| drm_framebuffer_test.c | ||
| drm_gem_shmem_test.c | ||
| drm_hdmi_state_helper_test.c | ||
| drm_kunit_edid.h | ||
| drm_kunit_helpers.c | ||
| drm_managed_test.c | ||
| drm_mm_test.c | ||
| drm_modes_test.c | ||
| drm_plane_helper_test.c | ||
| drm_probe_helper_test.c | ||
| drm_rect_test.c | ||
| Makefile | ||