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SubjectRe: [PATCH 00/10] Kernel memory leak detector 0.8
On 11/07/06, Catalin Marinas <> wrote:
> On 11/07/06, Michal Piotrowski <> wrote:
> > System hangs when I try "cat /sys/kernel/debug/memleak". Here is what
> > I found in a log file.
> Can you disable DEBUG_MEMLEAK_ORPHAN_FREEING? That's mainly used for
> debugging but I don't think it is was causing the hang. I haven't
> changed the locking mechanism since version 0.7 but maybe some other
> bug made its way in.

It is DEBUG_MEMLEAK_ORPHAN_FREEING issue. Disabling it solved the problem.

orphan pointer 0xc6113bec (size 28):
c017392a: <__kmalloc_track_caller>
c01631b1: <__kzalloc>
c010b7d7: <legacy_init_iomem_resources>
c010b89c: <request_standard_resources>
c0100b8b: <do_initcalls>
c0100c3d: <do_basic_setup>
c0100cdb: <init>

This is most common
orphan pointer 0xf5a6fd60 (size 39):
c0173822: <__kmalloc>
c01df500: <context_struct_to_string>
c01df679: <security_sid_to_context>
c01d7eee: <selinux_socket_getpeersec_dgram>
f884f019: <unix_get_peersec_dgram>
f8850698: <unix_dgram_sendmsg>
c02a88c2: <sock_sendmsg>
c02a9c7a: <sys_sendto>

cat /tmp/ml.txt | grep -c selinux_socket_getpeersec_dgram

> --
> Catalin


Michal K. K. Piotrowski
LTG - Linux Testers Group
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