[lxc-devel] [lxc/master] utils: use 1LU otherwise we overflow
brauner on Github
lxc-bot at linuxcontainers.org
Tue Jun 20 00:49:27 UTC 2017
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From 6fbcbe3bd74043c8685aa7254915e87620494c66 Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner at ubuntu.com>
Date: Tue, 20 Jun 2017 02:48:47 +0200
Subject: [PATCH] utils: use 1LU otherwise we overflow
Signed-off-by: Christian Brauner <christian.brauner at ubuntu.com>
---
src/lxc/utils.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/src/lxc/utils.c b/src/lxc/utils.c
index 4419e672e..9d88076c5 100644
--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -1923,12 +1923,14 @@ bool task_blocking_signal(pid_t pid, int signal)
return bret;
while (getline(&line, &n, f) != -1) {
- if (!strncmp(line, "SigBlk:\t", 8))
- if (sscanf(line + 8, "%lx", &sigblk) != 1)
- goto out;
+ if (strncmp(line, "SigBlk:\t", 8))
+ continue;
+
+ if (sscanf(line + 8, "%lx", &sigblk) != 1)
+ goto out;
}
- if (sigblk & (1 << (signal - 1)))
+ if (sigblk & (1LU << (signal - 1)))
bret = true;
out:
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