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Fixed

LIN8-2697 : kmemleak reports issue in systemd-udevd on intel-x86-64 skylake

Created: Feb 5, 2016    Updated: Dec 3, 2018
Resolved Date: Mar 7, 2016
Found In Version: 8.0.0.1
Fix Version: 8.0.0.3
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Kernel

Description

VLM barcode 22680 (intel_skylake-S_RVP8_Feb1-1)

Boot board (reports WRLinux-8.0.0.1), then
/etc/cafe/tcf-agent.init start
/etc/cafe/tcf-agent.init force-start
top (and quit)
cat /proc/meminfo
--> kmemleak info is printed on console.

root@128:~# more /sys/kernel/debug/kmemleak 
unreferenced object 0xfffffbfff806f000 (size 4096):
  comm "systemd-udevd", pid 239, jiffies 4294693873 (age 326.560s)
  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:
    [<ffffffff82216098>] kmemleak_alloc+0x28/0x50
    [<ffffffff81299160>] __vmalloc_node_range+0x350/0x400
    [<ffffffff812c2d62>] kasan_module_alloc+0x72/0xc0
    [<ffffffff8106a63b>] module_alloc+0x9b/0x120
    [<ffffffff8117a0d4>] module_alloc_update_bounds+0x14/0x70
    [<ffffffff8117ad71>] layout_and_allocate+0xc31/0x1150
    [<ffffffff8117b3da>] load_module+0x14a/0x2470
    [<ffffffff8117d9c6>] SyS_finit_module+0x106/0x110
    [<ffffffff82230ddb>] system_call_fastpath+0x16/0x73
    [<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xfffffbfff809d000 (size 4096):
  comm "systemd-udevd", pid 239, jiffies 4294693948 (age 326.486s)
  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:
    [<ffffffff82216098>] kmemleak_alloc+0x28/0x50
    [<ffffffff81299160>] __vmalloc_node_range+0x350/0x400
    [<ffffffff812c2d62>] kasan_module_alloc+0x72/0xc0
    [<ffffffff8106a63b>] module_alloc+0x9b/0x120
    [<ffffffff8117a0d4>] module_alloc_update_bounds+0x14/0x70
    [<ffffffff8117ad71>] layout_and_allocate+0xc31/0x1150
    [<ffffffff8117b3da>] load_module+0x14a/0x2470
    [<ffffffff8117d9c6>] SyS_finit_module+0x106/0x110
    [<ffffffff82230ddb>] system_call_fastpath+0x16/0x73
    [<ffffffffffffffff>] 0xffffffffffffffff

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