On Thu, Nov 12, 2009 at 8:35 PM, Luis R. Rodriguez
<lrodriguez@xxxxxxxxxxx> wrote:
> On Thu, Nov 12, 2009 at 11:31 AM, Johannes Berg
> <johannes@xxxxxxxxxxxxxxxx> wrote:
>> On Thu, 2009-11-12 at 20:18 +0100, Matteo Croce wrote:
>>
>>> # echo scan >/sys/kernel/debug/kmemleak ; cat
>>> /sys/kernel/debug/kmemleak
>>> kmemleak: 197 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
>>> unreferenced object 0xc5cfea80 (size 192):
>>> comm "softirq", pid 0, jiffies 14191
>>> backtrace:
>>> [<ffffffff>] 0xffffffff
>>
>> that's kinda useless, can you run
>
> But if you insist on using kmemleak, try clearing the list
>
> echo clear > kmemleak
>
> Then scan
>
> echo scan > kmemleak
>
> then run your frame injection tests and then re-run scan.
>
> echo scan > kmemleak
>
> Then paste the output here.
>
> Luis
>
root@alix:/sys/kernel/debug# rmmod inject
inject_exit Inject, exiting module
root@alix:/sys/kernel/debug# echo clear > kmemleak
root@alix:/sys/kernel/debug# echo scan >kmemleak
kmemleak: 61037 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
root@alix:/sys/kernel/debug# modprobe inject
inject_init Inject, inserting module
inject_init Inject, initializing the timer
root@alix:/sys/kernel/debug# echo scan >kmemleak
root@alix:/sys/kernel/debug# cat kmemleak
unreferenced object 0xccd48e70 (size 64):
comm "softirq", pid 0, jiffies 3615
hex dump (first 32 bytes):
20 89 ed ce b9 83 d2 00 00 00 01 1b 00 80 00 04 ...............
00 00 00 80 80 80 80 80 80 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff>] 0xffffffff
unreferenced object 0xcd6f7930 (size 64):
comm "softirq", pid 0, jiffies 11486
hex dump (first 32 bytes):
20 89 ed ce 6a a3 83 05 00 00 01 1b 00 80 00 04 ...j...........
00 00 00 80 80 80 80 80 80 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff>] 0xffffffff
unreferenced object 0xcbe57c40 (size 64):
comm "softirq", pid 0, jiffies 28666
hex dump (first 32 bytes):
20 89 ed ce cc 52 c1 0f 00 00 01 1b 00 80 00 04 ....R..........
00 00 00 80 80 80 80 80 80 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff>] 0xffffffff
unreferenced object 0xcbe71850 (size 64):
comm "softirq", pid 0, jiffies 28981
hex dump (first 32 bytes):
20 89 ed ce c9 64 f1 0f 00 00 01 1b 00 80 00 04 ....d..........
00 00 00 80 80 80 80 80 80 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff>] 0xffffffff
unreferenced object 0xcbe71f50 (size 64):
comm "softirq", pid 0, jiffies 30041
hex dump (first 32 bytes):
20 89 ed ce 4a 26 93 10 00 00 01 1b 00 80 00 04 ...J&..........
00 00 00 80 80 80 80 80 80 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff>] 0xffffffff
unreferenced object 0xcb4b0230 (size 64):
comm "softirq", pid 0, jiffies 35770
hex dump (first 32 bytes):
20 89 ed ce 79 66 fd 13 00 00 01 1b 00 80 00 04 ...yf..........
00 00 00 80 80 80 80 80 80 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff>] 0xffffffff
unreferenced object 0xcb4b02a0 (size 64):
comm "softirq", pid 0, jiffies 35771
hex dump (first 32 bytes):
20 89 ed ce b1 8d fd 13 00 00 01 1b 00 80 00 04 ...............
00 00 00 80 80 80 80 80 80 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff>] 0xffffffff
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