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authorIngo Molnar <mingo@kernel.org>2014-01-16 08:33:30 (GMT)
committerIngo Molnar <mingo@kernel.org>2014-01-16 08:33:30 (GMT)
commit860fc2f2640ec348b9520ca4649b1bfd23d91bc2 (patch)
tree73d90d6ef86893c89bb70e78a2b63295d531f371 /net/wireless/radiotap.c
parent197749981e539c1eb5863f417de6dd4e2c02b76c (diff)
parentbee09ed91cacdbffdbcd3b05de8409c77ec9fcd6 (diff)
downloadlinux-860fc2f2640ec348b9520ca4649b1bfd23d91bc2.tar.xz
Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes, refresh the development tree. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/wireless/radiotap.c')
-rw-r--r--net/wireless/radiotap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c
index a271c27..722da61 100644
--- a/net/wireless/radiotap.c
+++ b/net/wireless/radiotap.c
@@ -124,6 +124,10 @@ int ieee80211_radiotap_iterator_init(
/* find payload start allowing for extended bitmap(s) */
if (iterator->_bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT)) {
+ if ((unsigned long)iterator->_arg -
+ (unsigned long)iterator->_rtheader + sizeof(uint32_t) >
+ (unsigned long)iterator->_max_length)
+ return -EINVAL;
while (get_unaligned_le32(iterator->_arg) &
(1 << IEEE80211_RADIOTAP_EXT)) {
iterator->_arg += sizeof(uint32_t);