Piteball
/
android_kernel_samsung_msm8976
mirror of https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
1
1
Fork 0
Code Issues Projects Releases Wiki Activity

irda: precedence bug in irlmp_seq_hb_idx() 

[ Upstream commit 50010c20597d14667eff0fdb628309986f195230 ]

This is decrementing the pointer, instead of the value stored in the
pointer.  KASan detects it as an out of bounds reference.

Reported-by: "Berry Cheng 程君(成淼)" <chengmiao.cj@alibaba-inc.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2015-10-19 13:16:49 +03:00 committed by Greg Kroah-Hartman
parent bdf8cfb859
commit edbdd72399
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/irda/irlmp.c
View File

@ -1876,7 +1876,7 @@ static void *irlmp_seq_hb_idx(struct irlmp_iter_state *iter, loff_t *off)
for (element = hashbin_get_first(iter->hashbin);
element != NULL;
element = hashbin_get_next(iter->hashbin)) {
if (!off || *off-- == 0) {
if (!off || (*off)-- == 0) {
/* NB: hashbin left locked */
return element;
}