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authorAndreas Jaeger <aj@suse.de>2013-05-10 20:28:40 +0200
committerAndreas Jaeger <aj@suse.de>2013-05-10 20:28:40 +0200
commit8a67a4b3435d8471523d3ae4f7cb46cf9b8d72d9 (patch)
treeef04f3f9462ec0ee800c05bca3ec18ca04100b2e /sysdeps/unix/sysv/linux/bits
parent51df539d98c5906c325f73b0436f444a86818770 (diff)
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Fix integer overflow in sysdeps/unix/sysv/linux/bits/sched.h
	[BZ #15448]
	* sysdeps/unix/sysv/linux/bits/sched.h (__CPU_SET_S)
	(__CPU_CLR_S, __CPU_ISSET_S): Avoid integer overflow.
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits')
-rw-r--r--sysdeps/unix/sysv/linux/bits/sched.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/sched.h b/sysdeps/unix/sysv/linux/bits/sched.h
index 5e8057b62e..e42dee8e62 100644
--- a/sysdeps/unix/sysv/linux/bits/sched.h
+++ b/sysdeps/unix/sysv/linux/bits/sched.h
@@ -144,21 +144,21 @@ typedef struct
 # define __CPU_SET_S(cpu, setsize, cpusetp) \
   (__extension__							      \
    ({ size_t __cpu = (cpu);						      \
-      __cpu < 8 * (setsize)						      \
+      __cpu / 8 < (setsize)						      \
       ? (((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)]		      \
 	 |= __CPUMASK (__cpu))						      \
       : 0; }))
 # define __CPU_CLR_S(cpu, setsize, cpusetp) \
   (__extension__							      \
    ({ size_t __cpu = (cpu);						      \
-      __cpu < 8 * (setsize)						      \
+      __cpu / 8 < (setsize)						      \
       ? (((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)]		      \
 	 &= ~__CPUMASK (__cpu))						      \
       : 0; }))
 # define __CPU_ISSET_S(cpu, setsize, cpusetp) \
   (__extension__							      \
    ({ size_t __cpu = (cpu);						      \
-      __cpu < 8 * (setsize)						      \
+      __cpu / 8 < (setsize)						      \
       ? ((((const __cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)]	      \
 	  & __CPUMASK (__cpu))) != 0					      \
       : 0; }))