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* [PATCH] rtcwake: fix crash (invalid free)
@ 2011-10-13 12:40 Petr Uzel
  2011-10-17  9:15 ` Karel Zak
  0 siblings, 1 reply; 2+ messages in thread
From: Petr Uzel @ 2011-10-13 12:40 UTC (permalink / raw)
  To: util-linux

~ $ rtcwake -d X -s 10
*** glibc detected *** rtcwake: munmap_chunk(): invalid pointer: 0x00007fff839253c3 ***
======= Backtrace: =========
/lib64/libc.so.6(+0x733b6)[0x7f582677a3b6]
rtcwake[0x4022d5]
/lib64/libc.so.6(__libc_start_main+0xfd)[0x7f5826725bfd]
rtcwake[0x4016b9]
======= Memory map: ========
<SNIP>

Signed-off-by: Petr Uzel <petr.uzel@suse.cz>
---
 sys-utils/rtcwake.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/sys-utils/rtcwake.c b/sys-utils/rtcwake.c
index 2f17400..591ef8b 100644
--- a/sys-utils/rtcwake.c
+++ b/sys-utils/rtcwake.c
@@ -495,7 +495,6 @@ int main(int argc, char **argv)
 
 		strcpy(new_devname, "/dev/");
 		strcat(new_devname, devname);
-		free(devname);
 		devname = new_devname;
 	}
 
-- 
1.7.3.4


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] rtcwake: fix crash (invalid free)
  2011-10-13 12:40 [PATCH] rtcwake: fix crash (invalid free) Petr Uzel
@ 2011-10-17  9:15 ` Karel Zak
  0 siblings, 0 replies; 2+ messages in thread
From: Karel Zak @ 2011-10-17  9:15 UTC (permalink / raw)
  To: Petr Uzel; +Cc: util-linux

On Thu, Oct 13, 2011 at 02:40:31PM +0200, Petr Uzel wrote:
> ~ $ rtcwake -d X -s 10
> *** glibc detected *** rtcwake: munmap_chunk(): invalid pointer: 0x00007fff839253c3 ***
> ======= Backtrace: =========
> /lib64/libc.so.6(+0x733b6)[0x7f582677a3b6]
> rtcwake[0x4022d5]
> /lib64/libc.so.6(__libc_start_main+0xfd)[0x7f5826725bfd]
> rtcwake[0x4016b9]
> ======= Memory map: ========
> <SNIP>
> 
> Signed-off-by: Petr Uzel <petr.uzel@suse.cz>
> ---
>  sys-utils/rtcwake.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)

 Applied, thanks.

-- 
 Karel Zak  <kzak@redhat.com>
 http://karelzak.blogspot.com

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2011-10-13 12:40 [PATCH] rtcwake: fix crash (invalid free) Petr Uzel
2011-10-17  9:15 ` Karel Zak

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