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authorAlex Shi <alex.shi@linaro.org>2018-02-28 12:01:09 +0800
committerAlex Shi <alex.shi@linaro.org>2018-02-28 12:01:09 +0800
commit6e49b7fa3083c30688b7fff1b37ed891cd1c30af (patch)
tree3054864f2e58bcd86000567ce99e25753ddc794a /fs/fcntl.c
parent2ba51c6d36ee1b43c1f898c6c48ddf3d33e9ab30 (diff)
parentbe42cd02846a611af533103a3f4b6a7d8c592f49 (diff)
Merge remote-tracking branch 'rt-stable/v4.9-rt' into linux-linaro-lsk-v4.9-rtlsk-v4.9-18.03-rt
Diffstat (limited to 'fs/fcntl.c')
-rw-r--r--fs/fcntl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 1493ceb0477d..ec03cf620fd7 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -114,6 +114,10 @@ void f_setown(struct file *filp, unsigned long arg, int force)
int who = arg;
type = PIDTYPE_PID;
if (who < 0) {
+ /* avoid overflow below */
+ if (who == INT_MIN)
+ return;
+
type = PIDTYPE_PGID;
who = -who;
}