* [PATCH] FDPIC: fix memory leak
@ 2011-07-06 3:30 Davidlohr Bueso
0 siblings, 0 replies; 3+ messages in thread
From: Davidlohr Bueso @ 2011-07-06 3:30 UTC (permalink / raw)
To: David Howells; +Cc: lkml, linux-fsdevel
From: Davidlohr Bueso <dave@gnu.org>
The shdr4extnum variable isn't being freed in the cleanup process of elf_fdpic_core_dump().
Signed-off-by: Davidlohr Bueso <dave@gnu.org>
---
fs/binfmt_elf_fdpic.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 63039ed..2bc5dc6 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1864,6 +1864,7 @@ cleanup:
kfree(psinfo);
kfree(notes);
kfree(fpu);
+ kfree(shdr4extnum);
#ifdef ELF_CORE_COPY_XFPREGS
kfree(xfpu);
#endif
--
1.7.4.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] FDPIC: Fix memory leak
@ 2011-07-06 11:26 David Howells
2011-07-06 21:16 ` Andrew Morton
0 siblings, 1 reply; 3+ messages in thread
From: David Howells @ 2011-07-06 11:26 UTC (permalink / raw)
To: torvalds, akpm; +Cc: linux-fsdevel, linux-kernel, Davidlohr Bueso, uclinux-dev
From: Davidlohr Bueso <dave@gnu.org>
The shdr4extnum variable isn't being freed in the cleanup process of
elf_fdpic_core_dump().
Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: David Howells <dhowells@redhat.com>
---
fs/binfmt_elf_fdpic.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 63039ed..2bc5dc6 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1864,6 +1864,7 @@ cleanup:
kfree(psinfo);
kfree(notes);
kfree(fpu);
+ kfree(shdr4extnum);
#ifdef ELF_CORE_COPY_XFPREGS
kfree(xfpu);
#endif
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] FDPIC: Fix memory leak
2011-07-06 11:26 [PATCH] FDPIC: Fix memory leak David Howells
@ 2011-07-06 21:16 ` Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2011-07-06 21:16 UTC (permalink / raw)
To: David Howells
Cc: uclinux-dev, linux-kernel, linux-fsdevel, torvalds, stable,
Davidlohr Bueso
On Wed, 06 Jul 2011 12:26:05 +0100
David Howells <dhowells@redhat.com> wrote:
> From: Davidlohr Bueso <dave@gnu.org>
>
> The shdr4extnum variable isn't being freed in the cleanup process of
> elf_fdpic_core_dump().
>
> Signed-off-by: Davidlohr Bueso <dave@gnu.org>
> Signed-off-by: David Howells <dhowells@redhat.com>
> ---
>
> fs/binfmt_elf_fdpic.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
>
> diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
> index 63039ed..2bc5dc6 100644
> --- a/fs/binfmt_elf_fdpic.c
> +++ b/fs/binfmt_elf_fdpic.c
> @@ -1864,6 +1864,7 @@ cleanup:
> kfree(psinfo);
> kfree(notes);
> kfree(fpu);
> + kfree(shdr4extnum);
> #ifdef ELF_CORE_COPY_XFPREGS
> kfree(xfpu);
> #endif
So if it dumps core often enough, the machine runs out of memory and
dies. I added a cc:stable to my copy of this one.
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