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authorMichel Lespinasse <walken@google.com>2011-03-10 21:50:58 -0500
committerThomas Gleixner <tglx@linutronix.de>2011-03-11 06:23:31 -0500
commit8d7718aa082aaf30a0b4989e1f04858952f941bc (patch)
treef006a565d138cec2b497c2bd619f570ad1a11f6e /arch
parent37a9d912b24f96a0591773e6e6c3642991ae5a70 (diff)
futex: Sanitize futex ops argument types
Change futex_atomic_op_inuser and futex_atomic_cmpxchg_inatomic prototypes to use u32 types for the futex as this is the data type the futex core code uses all over the place. Signed-off-by: Michel Lespinasse <walken@google.com> Cc: Darren Hart <darren@dvhart.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> LKML-Reference: <20110311025058.GD26122@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/include/asm/futex.h13
-rw-r--r--arch/arm/include/asm/futex.h13
-rw-r--r--arch/frv/include/asm/futex.h6
-rw-r--r--arch/frv/kernel/futex.c14
-rw-r--r--arch/ia64/include/asm/futex.h10
-rw-r--r--arch/microblaze/include/asm/futex.h13
-rw-r--r--arch/mips/include/asm/futex.h13
-rw-r--r--arch/parisc/include/asm/futex.h12
-rw-r--r--arch/powerpc/include/asm/futex.h13
-rw-r--r--arch/s390/include/asm/futex.h10
-rw-r--r--arch/s390/include/asm/uaccess.h4
-rw-r--r--arch/s390/lib/uaccess.h8
-rw-r--r--arch/s390/lib/uaccess_pt.c12
-rw-r--r--arch/s390/lib/uaccess_std.c6
-rw-r--r--arch/sh/include/asm/futex-irq.h19
-rw-r--r--arch/sh/include/asm/futex.h10
-rw-r--r--arch/sparc/include/asm/futex_64.h8
-rw-r--r--arch/tile/include/asm/futex.h24
-rw-r--r--arch/x86/include/asm/futex.h10
19 files changed, 112 insertions, 106 deletions
diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h
index c4e5c2850cce..e8a761aee088 100644
--- a/arch/alpha/include/asm/futex.h
+++ b/arch/alpha/include/asm/futex.h
@@ -29,7 +29,7 @@
29 : "r" (uaddr), "r"(oparg) \ 29 : "r" (uaddr), "r"(oparg) \
30 : "memory") 30 : "memory")
31 31
32static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) 32static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
33{ 33{
34 int op = (encoded_op >> 28) & 7; 34 int op = (encoded_op >> 28) & 7;
35 int cmp = (encoded_op >> 24) & 15; 35 int cmp = (encoded_op >> 24) & 15;
@@ -39,7 +39,7 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
39 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 39 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
40 oparg = 1 << oparg; 40 oparg = 1 << oparg;
41 41
42 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 42 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
43 return -EFAULT; 43 return -EFAULT;
44 44
45 pagefault_disable(); 45 pagefault_disable();
@@ -81,12 +81,13 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
81} 81}
82 82
83static inline int 83static inline int
84futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 84futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
85 int oldval, int newval) 85 u32 oldval, u32 newval)
86{ 86{
87 int ret = 0, prev, cmp; 87 int ret = 0, cmp;
88 u32 prev;
88 89
89 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 90 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
90 return -EFAULT; 91 return -EFAULT;
91 92
92 __asm__ __volatile__ ( 93 __asm__ __volatile__ (
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index d20b78fce758..0e29d8e6a5c2 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -35,7 +35,7 @@
35 : "cc", "memory") 35 : "cc", "memory")
36 36
37static inline int 37static inline int
38futex_atomic_op_inuser (int encoded_op, int __user *uaddr) 38futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
39{ 39{
40 int op = (encoded_op >> 28) & 7; 40 int op = (encoded_op >> 28) & 7;
41 int cmp = (encoded_op >> 24) & 15; 41 int cmp = (encoded_op >> 24) & 15;
@@ -46,7 +46,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
46 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 46 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
47 oparg = 1 << oparg; 47 oparg = 1 << oparg;
48 48
49 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 49 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
50 return -EFAULT; 50 return -EFAULT;
51 51
52 pagefault_disable(); /* implies preempt_disable() */ 52 pagefault_disable(); /* implies preempt_disable() */
@@ -88,12 +88,13 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
88} 88}
89 89
90static inline int 90static inline int
91futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 91futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
92 int oldval, int newval) 92 u32 oldval, u32 newval)
93{ 93{
94 int ret = 0, val; 94 int ret = 0;
95 u32 val;
95 96
96 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 97 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
97 return -EFAULT; 98 return -EFAULT;
98 99
99 /* Note that preemption is disabled by futex_atomic_cmpxchg_inatomic 100 /* Note that preemption is disabled by futex_atomic_cmpxchg_inatomic
diff --git a/arch/frv/include/asm/futex.h b/arch/frv/include/asm/futex.h
index 0548f8e4d11e..4bea27f50a7a 100644
--- a/arch/frv/include/asm/futex.h
+++ b/arch/frv/include/asm/futex.h
@@ -7,11 +7,11 @@
7#include <asm/errno.h> 7#include <asm/errno.h>
8#include <asm/uaccess.h> 8#include <asm/uaccess.h>
9 9
10extern int futex_atomic_op_inuser(int encoded_op, int __user *uaddr); 10extern int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr);
11 11
12static inline int 12static inline int
13futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 13futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
14 int oldval, int newval) 14 u32 oldval, u32 newval)
15{ 15{
16 return -ENOSYS; 16 return -ENOSYS;
17} 17}
diff --git a/arch/frv/kernel/futex.c b/arch/frv/kernel/futex.c
index 14f64b054c7e..d155ca9e5098 100644
--- a/arch/frv/kernel/futex.c
+++ b/arch/frv/kernel/futex.c
@@ -18,7 +18,7 @@
18 * the various futex operations; MMU fault checking is ignored under no-MMU 18 * the various futex operations; MMU fault checking is ignored under no-MMU
19 * conditions 19 * conditions
20 */ 20 */
21static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_oldval) 21static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr, int *_oldval)
22{ 22{
23 int oldval, ret; 23 int oldval, ret;
24 24
@@ -50,7 +50,7 @@ static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_o
50 return ret; 50 return ret;
51} 51}
52 52
53static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_oldval) 53static inline int atomic_futex_op_xchg_add(int oparg, u32 __user *uaddr, int *_oldval)
54{ 54{
55 int oldval, ret; 55 int oldval, ret;
56 56
@@ -83,7 +83,7 @@ static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_o
83 return ret; 83 return ret;
84} 84}
85 85
86static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_oldval) 86static inline int atomic_futex_op_xchg_or(int oparg, u32 __user *uaddr, int *_oldval)
87{ 87{
88 int oldval, ret; 88 int oldval, ret;
89 89
@@ -116,7 +116,7 @@ static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_ol
116 return ret; 116 return ret;
117} 117}
118 118
119static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_oldval) 119static inline int atomic_futex_op_xchg_and(int oparg, u32 __user *uaddr, int *_oldval)
120{ 120{
121 int oldval, ret; 121 int oldval, ret;
122 122
@@ -149,7 +149,7 @@ static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_o
149 return ret; 149 return ret;
150} 150}
151 151
152static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_oldval) 152static inline int atomic_futex_op_xchg_xor(int oparg, u32 __user *uaddr, int *_oldval)
153{ 153{
154 int oldval, ret; 154 int oldval, ret;
155 155
@@ -186,7 +186,7 @@ static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_o
186/* 186/*
187 * do the futex operations 187 * do the futex operations
188 */ 188 */
189int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) 189int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
190{ 190{
191 int op = (encoded_op >> 28) & 7; 191 int op = (encoded_op >> 28) & 7;
192 int cmp = (encoded_op >> 24) & 15; 192 int cmp = (encoded_op >> 24) & 15;
@@ -197,7 +197,7 @@ int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
197 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 197 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
198 oparg = 1 << oparg; 198 oparg = 1 << oparg;
199 199
200 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 200 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
201 return -EFAULT; 201 return -EFAULT;
202 202
203 pagefault_disable(); 203 pagefault_disable();
diff --git a/arch/ia64/include/asm/futex.h b/arch/ia64/include/asm/futex.h
index b0728404dad0..8428525ddb22 100644
--- a/arch/ia64/include/asm/futex.h
+++ b/arch/ia64/include/asm/futex.h
@@ -46,7 +46,7 @@ do { \
46} while (0) 46} while (0)
47 47
48static inline int 48static inline int
49futex_atomic_op_inuser (int encoded_op, int __user *uaddr) 49futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
50{ 50{
51 int op = (encoded_op >> 28) & 7; 51 int op = (encoded_op >> 28) & 7;
52 int cmp = (encoded_op >> 24) & 15; 52 int cmp = (encoded_op >> 24) & 15;
@@ -56,7 +56,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
56 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 56 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
57 oparg = 1 << oparg; 57 oparg = 1 << oparg;
58 58
59 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) 59 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
60 return -EFAULT; 60 return -EFAULT;
61 61
62 pagefault_disable(); 62 pagefault_disable();
@@ -100,10 +100,10 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
100} 100}
101 101
102static inline int 102static inline int
103futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 103futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
104 int oldval, int newval) 104 u32 oldval, u32 newval)
105{ 105{
106 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 106 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
107 return -EFAULT; 107 return -EFAULT;
108 108
109 { 109 {
diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h
index fa019ed65dfb..b0526d2716fa 100644
--- a/arch/microblaze/include/asm/futex.h
+++ b/arch/microblaze/include/asm/futex.h
@@ -29,7 +29,7 @@
29}) 29})
30 30
31static inline int 31static inline int
32futex_atomic_op_inuser(int encoded_op, int __user *uaddr) 32futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
33{ 33{
34 int op = (encoded_op >> 28) & 7; 34 int op = (encoded_op >> 28) & 7;
35 int cmp = (encoded_op >> 24) & 15; 35 int cmp = (encoded_op >> 24) & 15;
@@ -39,7 +39,7 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
39 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 39 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
40 oparg = 1 << oparg; 40 oparg = 1 << oparg;
41 41
42 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 42 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
43 return -EFAULT; 43 return -EFAULT;
44 44
45 pagefault_disable(); 45 pagefault_disable();
@@ -94,12 +94,13 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
94} 94}
95 95
96static inline int 96static inline int
97futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 97futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
98 int oldval, int newval) 98 u32 oldval, u32 newval)
99{ 99{
100 int ret = 0, prev, cmp; 100 int ret = 0, cmp;
101 u32 prev;
101 102
102 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 103 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
103 return -EFAULT; 104 return -EFAULT;
104 105
105 __asm__ __volatile__ ("1: lwx %1, %3, r0; \ 106 __asm__ __volatile__ ("1: lwx %1, %3, r0; \
diff --git a/arch/mips/include/asm/futex.h b/arch/mips/include/asm/futex.h
index 692a24bd83b7..6ebf1734b411 100644
--- a/arch/mips/include/asm/futex.h
+++ b/arch/mips/include/asm/futex.h
@@ -75,7 +75,7 @@
75} 75}
76 76
77static inline int 77static inline int
78futex_atomic_op_inuser(int encoded_op, int __user *uaddr) 78futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
79{ 79{
80 int op = (encoded_op >> 28) & 7; 80 int op = (encoded_op >> 28) & 7;
81 int cmp = (encoded_op >> 24) & 15; 81 int cmp = (encoded_op >> 24) & 15;
@@ -85,7 +85,7 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
85 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 85 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
86 oparg = 1 << oparg; 86 oparg = 1 << oparg;
87 87
88 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) 88 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
89 return -EFAULT; 89 return -EFAULT;
90 90
91 pagefault_disable(); 91 pagefault_disable();
@@ -132,12 +132,13 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
132} 132}
133 133
134static inline int 134static inline int
135futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 135futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
136 int oldval, int newval) 136 u32 oldval, u32 newval)
137{ 137{
138 int ret = 0, val; 138 int ret = 0;
139 u32 val;
139 140
140 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 141 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
141 return -EFAULT; 142 return -EFAULT;
142 143
143 if (cpu_has_llsc && R10000_LLSC_WAR) { 144 if (cpu_has_llsc && R10000_LLSC_WAR) {
diff --git a/arch/parisc/include/asm/futex.h b/arch/parisc/include/asm/futex.h
index 4c6d8672325b..67a33cc27ef2 100644
--- a/arch/parisc/include/asm/futex.h
+++ b/arch/parisc/include/asm/futex.h
@@ -8,7 +8,7 @@
8#include <asm/errno.h> 8#include <asm/errno.h>
9 9
10static inline int 10static inline int
11futex_atomic_op_inuser (int encoded_op, int __user *uaddr) 11futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
12{ 12{
13 int op = (encoded_op >> 28) & 7; 13 int op = (encoded_op >> 28) & 7;
14 int cmp = (encoded_op >> 24) & 15; 14 int cmp = (encoded_op >> 24) & 15;
@@ -18,7 +18,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
18 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 18 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
19 oparg = 1 << oparg; 19 oparg = 1 << oparg;
20 20
21 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) 21 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
22 return -EFAULT; 22 return -EFAULT;
23 23
24 pagefault_disable(); 24 pagefault_disable();
@@ -51,10 +51,10 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
51 51
52/* Non-atomic version */ 52/* Non-atomic version */
53static inline int 53static inline int
54futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 54futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
55 int oldval, int newval) 55 u32 oldval, u32 newval)
56{ 56{
57 int val; 57 u32 val;
58 58
59 /* futex.c wants to do a cmpxchg_inatomic on kernel NULL, which is 59 /* futex.c wants to do a cmpxchg_inatomic on kernel NULL, which is
60 * our gateway page, and causes no end of trouble... 60 * our gateway page, and causes no end of trouble...
@@ -62,7 +62,7 @@ futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr,
62 if (segment_eq(KERNEL_DS, get_fs()) && !uaddr) 62 if (segment_eq(KERNEL_DS, get_fs()) && !uaddr)
63 return -EFAULT; 63 return -EFAULT;
64 64
65 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 65 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
66 return -EFAULT; 66 return -EFAULT;
67 67
68 if (get_user(val, uaddr)) 68 if (get_user(val, uaddr))
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
index 631e8da60064..c94e4a3fe2ef 100644
--- a/arch/powerpc/include/asm/futex.h
+++ b/arch/powerpc/include/asm/futex.h
@@ -30,7 +30,7 @@
30 : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \ 30 : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \
31 : "cr0", "memory") 31 : "cr0", "memory")
32 32
33static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) 33static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
34{ 34{
35 int op = (encoded_op >> 28) & 7; 35 int op = (encoded_op >> 28) & 7;
36 int cmp = (encoded_op >> 24) & 15; 36 int cmp = (encoded_op >> 24) & 15;
@@ -40,7 +40,7 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
40 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 40 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
41 oparg = 1 << oparg; 41 oparg = 1 << oparg;
42 42
43 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) 43 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
44 return -EFAULT; 44 return -EFAULT;
45 45
46 pagefault_disable(); 46 pagefault_disable();
@@ -82,12 +82,13 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
82} 82}
83 83
84static inline int 84static inline int
85futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 85futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
86 int oldval, int newval) 86 u32 oldval, u32 newval)
87{ 87{
88 int ret = 0, prev; 88 int ret = 0;
89 u32 prev;
89 90
90 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 91 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
91 return -EFAULT; 92 return -EFAULT;
92 93
93 __asm__ __volatile__ ( 94 __asm__ __volatile__ (
diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h
index 27ac515ef59c..81cf36b691f1 100644
--- a/arch/s390/include/asm/futex.h
+++ b/arch/s390/include/asm/futex.h
@@ -7,7 +7,7 @@
7#include <linux/uaccess.h> 7#include <linux/uaccess.h>
8#include <asm/errno.h> 8#include <asm/errno.h>
9 9
10static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) 10static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
11{ 11{
12 int op = (encoded_op >> 28) & 7; 12 int op = (encoded_op >> 28) & 7;
13 int cmp = (encoded_op >> 24) & 15; 13 int cmp = (encoded_op >> 24) & 15;
@@ -18,7 +18,7 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
18 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 18 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
19 oparg = 1 << oparg; 19 oparg = 1 << oparg;
20 20
21 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) 21 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
22 return -EFAULT; 22 return -EFAULT;
23 23
24 pagefault_disable(); 24 pagefault_disable();
@@ -39,10 +39,10 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
39 return ret; 39 return ret;
40} 40}
41 41
42static inline int futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 42static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
43 int oldval, int newval) 43 u32 oldval, u32 newval)
44{ 44{
45 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) 45 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
46 return -EFAULT; 46 return -EFAULT;
47 47
48 return uaccess.futex_atomic_cmpxchg(uval, uaddr, oldval, newval); 48 return uaccess.futex_atomic_cmpxchg(uval, uaddr, oldval, newval);
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 549adf6a9b8b..2d9ea11f919a 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -83,8 +83,8 @@ struct uaccess_ops {
83 size_t (*clear_user)(size_t, void __user *); 83 size_t (*clear_user)(size_t, void __user *);
84 size_t (*strnlen_user)(size_t, const char __user *); 84 size_t (*strnlen_user)(size_t, const char __user *);
85 size_t (*strncpy_from_user)(size_t, const char __user *, char *); 85 size_t (*strncpy_from_user)(size_t, const char __user *, char *);
86 int (*futex_atomic_op)(int op, int __user *, int oparg, int *old); 86 int (*futex_atomic_op)(int op, u32 __user *, int oparg, int *old);
87 int (*futex_atomic_cmpxchg)(int *, int __user *, int old, int new); 87 int (*futex_atomic_cmpxchg)(u32 *, u32 __user *, u32 old, u32 new);
88}; 88};
89 89
90extern struct uaccess_ops uaccess; 90extern struct uaccess_ops uaccess;
diff --git a/arch/s390/lib/uaccess.h b/arch/s390/lib/uaccess.h
index 89a80674e44b..1d2536cb630b 100644
--- a/arch/s390/lib/uaccess.h
+++ b/arch/s390/lib/uaccess.h
@@ -12,12 +12,12 @@ extern size_t copy_from_user_std(size_t, const void __user *, void *);
12extern size_t copy_to_user_std(size_t, void __user *, const void *); 12extern size_t copy_to_user_std(size_t, void __user *, const void *);
13extern size_t strnlen_user_std(size_t, const char __user *); 13extern size_t strnlen_user_std(size_t, const char __user *);
14extern size_t strncpy_from_user_std(size_t, const char __user *, char *); 14extern size_t strncpy_from_user_std(size_t, const char __user *, char *);
15extern int futex_atomic_cmpxchg_std(int *, int __user *, int, int); 15extern int futex_atomic_cmpxchg_std(u32 *, u32 __user *, u32, u32);
16extern int futex_atomic_op_std(int, int __user *, int, int *); 16extern int futex_atomic_op_std(int, u32 __user *, int, int *);
17 17
18extern size_t copy_from_user_pt(size_t, const void __user *, void *); 18extern size_t copy_from_user_pt(size_t, const void __user *, void *);
19extern size_t copy_to_user_pt(size_t, void __user *, const void *); 19extern size_t copy_to_user_pt(size_t, void __user *, const void *);
20extern int futex_atomic_op_pt(int, int __user *, int, int *); 20extern int futex_atomic_op_pt(int, u32 __user *, int, int *);
21extern int futex_atomic_cmpxchg_pt(int *, int __user *, int, int); 21extern int futex_atomic_cmpxchg_pt(u32 *, u32 __user *, u32, u32);
22 22
23#endif /* __ARCH_S390_LIB_UACCESS_H */ 23#endif /* __ARCH_S390_LIB_UACCESS_H */
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index b3cebcd52f5c..74833831417f 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -302,7 +302,7 @@ fault:
302 : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \ 302 : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \
303 "m" (*uaddr) : "cc" ); 303 "m" (*uaddr) : "cc" );
304 304
305static int __futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old) 305static int __futex_atomic_op_pt(int op, u32 __user *uaddr, int oparg, int *old)
306{ 306{
307 int oldval = 0, newval, ret; 307 int oldval = 0, newval, ret;
308 308
@@ -335,7 +335,7 @@ static int __futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old)
335 return ret; 335 return ret;
336} 336}
337 337
338int futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old) 338int futex_atomic_op_pt(int op, u32 __user *uaddr, int oparg, int *old)
339{ 339{
340 int ret; 340 int ret;
341 341
@@ -354,8 +354,8 @@ int futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old)
354 return ret; 354 return ret;
355} 355}
356 356
357static int __futex_atomic_cmpxchg_pt(int *uval, int __user *uaddr, 357static int __futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr,
358 int oldval, int newval) 358 u32 oldval, u32 newval)
359{ 359{
360 int ret; 360 int ret;
361 361
@@ -370,8 +370,8 @@ static int __futex_atomic_cmpxchg_pt(int *uval, int __user *uaddr,
370 return ret; 370 return ret;
371} 371}
372 372
373int futex_atomic_cmpxchg_pt(int *uval, int __user *uaddr, 373int futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr,
374 int oldval, int newval) 374 u32 oldval, u32 newval)
375{ 375{
376 int ret; 376 int ret;
377 377
diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c
index 1d6643c0b95f..bb1a7eed42ce 100644
--- a/arch/s390/lib/uaccess_std.c
+++ b/arch/s390/lib/uaccess_std.c
@@ -255,7 +255,7 @@ size_t strncpy_from_user_std(size_t size, const char __user *src, char *dst)
255 : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \ 255 : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \
256 "m" (*uaddr) : "cc"); 256 "m" (*uaddr) : "cc");
257 257
258int futex_atomic_op_std(int op, int __user *uaddr, int oparg, int *old) 258int futex_atomic_op_std(int op, u32 __user *uaddr, int oparg, int *old)
259{ 259{
260 int oldval = 0, newval, ret; 260 int oldval = 0, newval, ret;
261 261
@@ -287,8 +287,8 @@ int futex_atomic_op_std(int op, int __user *uaddr, int oparg, int *old)
287 return ret; 287 return ret;
288} 288}
289 289
290int futex_atomic_cmpxchg_std(int *uval, int __user *uaddr, 290int futex_atomic_cmpxchg_std(u32 *uval, u32 __user *uaddr,
291 int oldval, int newval) 291 u32 oldval, u32 newval)
292{ 292{
293 int ret; 293 int ret;
294 294
diff --git a/arch/sh/include/asm/futex-irq.h b/arch/sh/include/asm/futex-irq.h
index 7b701cbd1e84..6cb9f193a95e 100644
--- a/arch/sh/include/asm/futex-irq.h
+++ b/arch/sh/include/asm/futex-irq.h
@@ -3,7 +3,7 @@
3 3
4#include <asm/system.h> 4#include <asm/system.h>
5 5
6static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, 6static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr,
7 int *oldval) 7 int *oldval)
8{ 8{
9 unsigned long flags; 9 unsigned long flags;
@@ -20,7 +20,7 @@ static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr,
20 return ret; 20 return ret;
21} 21}
22 22
23static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, 23static inline int atomic_futex_op_xchg_add(int oparg, u32 __user *uaddr,
24 int *oldval) 24 int *oldval)
25{ 25{
26 unsigned long flags; 26 unsigned long flags;
@@ -37,7 +37,7 @@ static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr,
37 return ret; 37 return ret;
38} 38}
39 39
40static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, 40static inline int atomic_futex_op_xchg_or(int oparg, u32 __user *uaddr,
41 int *oldval) 41 int *oldval)
42{ 42{
43 unsigned long flags; 43 unsigned long flags;
@@ -54,7 +54,7 @@ static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr,
54 return ret; 54 return ret;
55} 55}
56 56
57static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, 57static inline int atomic_futex_op_xchg_and(int oparg, u32 __user *uaddr,
58 int *oldval) 58 int *oldval)
59{ 59{
60 unsigned long flags; 60 unsigned long flags;
@@ -71,7 +71,7 @@ static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr,
71 return ret; 71 return ret;
72} 72}
73 73
74static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, 74static inline int atomic_futex_op_xchg_xor(int oparg, u32 __user *uaddr,
75 int *oldval) 75 int *oldval)
76{ 76{
77 unsigned long flags; 77 unsigned long flags;
@@ -88,12 +88,13 @@ static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr,
88 return ret; 88 return ret;
89} 89}
90 90
91static inline int atomic_futex_op_cmpxchg_inatomic(int *uval, 91static inline int atomic_futex_op_cmpxchg_inatomic(u32 *uval,
92 int __user *uaddr, 92 u32 __user *uaddr,
93 int oldval, int newval) 93 u32 oldval, u32 newval)
94{ 94{
95 unsigned long flags; 95 unsigned long flags;
96 int ret, prev = 0; 96 int ret;
97 u32 prev = 0;
97 98
98 local_irq_save(flags); 99 local_irq_save(flags);
99 100
diff --git a/arch/sh/include/asm/futex.h b/arch/sh/include/asm/futex.h
index a8a5125dc9b4..7be39a646fbd 100644
--- a/arch/sh/include/asm/futex.h
+++ b/arch/sh/include/asm/futex.h
@@ -10,7 +10,7 @@
10/* XXX: UP variants, fix for SH-4A and SMP.. */ 10/* XXX: UP variants, fix for SH-4A and SMP.. */
11#include <asm/futex-irq.h> 11#include <asm/futex-irq.h>
12 12
13static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) 13static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
14{ 14{
15 int op = (encoded_op >> 28) & 7; 15 int op = (encoded_op >> 28) & 7;
16 int cmp = (encoded_op >> 24) & 15; 16 int cmp = (encoded_op >> 24) & 15;
@@ -21,7 +21,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
21 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 21 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
22 oparg = 1 << oparg; 22 oparg = 1 << oparg;
23 23
24 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 24 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
25 return -EFAULT; 25 return -EFAULT;
26 26
27 pagefault_disable(); 27 pagefault_disable();
@@ -65,10 +65,10 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
65} 65}
66 66
67static inline int 67static inline int
68futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 68futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
69 int oldval, int newval) 69 u32 oldval, u32 newval)
70{ 70{
71 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 71 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
72 return -EFAULT; 72 return -EFAULT;
73 73
74 return atomic_futex_op_cmpxchg_inatomic(uval, uaddr, oldval, newval); 74 return atomic_futex_op_cmpxchg_inatomic(uval, uaddr, oldval, newval);
diff --git a/arch/sparc/include/asm/futex_64.h b/arch/sparc/include/asm/futex_64.h
index e0862200d6a1..444e7bea23bc 100644
--- a/arch/sparc/include/asm/futex_64.h
+++ b/arch/sparc/include/asm/futex_64.h
@@ -30,7 +30,7 @@
30 : "r" (uaddr), "r" (oparg), "i" (-EFAULT) \ 30 : "r" (uaddr), "r" (oparg), "i" (-EFAULT) \
31 : "memory") 31 : "memory")
32 32
33static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) 33static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
34{ 34{
35 int op = (encoded_op >> 28) & 7; 35 int op = (encoded_op >> 28) & 7;
36 int cmp = (encoded_op >> 24) & 15; 36 int cmp = (encoded_op >> 24) & 15;
@@ -38,7 +38,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
38 int cmparg = (encoded_op << 20) >> 20; 38 int cmparg = (encoded_op << 20) >> 20;
39 int oldval = 0, ret, tem; 39 int oldval = 0, ret, tem;
40 40
41 if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))) 41 if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))))
42 return -EFAULT; 42 return -EFAULT;
43 if (unlikely((((unsigned long) uaddr) & 0x3UL))) 43 if (unlikely((((unsigned long) uaddr) & 0x3UL)))
44 return -EINVAL; 44 return -EINVAL;
@@ -85,8 +85,8 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
85} 85}
86 86
87static inline int 87static inline int
88futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 88futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
89 int oldval, int newval) 89 u32 oldval, u32 newval)
90{ 90{
91 int ret = 0; 91 int ret = 0;
92 92
diff --git a/arch/tile/include/asm/futex.h b/arch/tile/include/asm/futex.h
index 664b20aa2584..d03ec124a598 100644
--- a/arch/tile/include/asm/futex.h
+++ b/arch/tile/include/asm/futex.h
@@ -29,16 +29,16 @@
29#include <linux/uaccess.h> 29#include <linux/uaccess.h>
30#include <linux/errno.h> 30#include <linux/errno.h>
31 31
32extern struct __get_user futex_set(int __user *v, int i); 32extern struct __get_user futex_set(u32 __user *v, int i);
33extern struct __get_user futex_add(int __user *v, int n); 33extern struct __get_user futex_add(u32 __user *v, int n);
34extern struct __get_user futex_or(int __user *v, int n); 34extern struct __get_user futex_or(u32 __user *v, int n);
35extern struct __get_user futex_andn(int __user *v, int n); 35extern struct __get_user futex_andn(u32 __user *v, int n);
36extern struct __get_user futex_cmpxchg(int __user *v, int o, int n); 36extern struct __get_user futex_cmpxchg(u32 __user *v, int o, int n);
37 37
38#ifndef __tilegx__ 38#ifndef __tilegx__
39extern struct __get_user futex_xor(int __user *v, int n); 39extern struct __get_user futex_xor(u32 __user *v, int n);
40#else 40#else
41static inline struct __get_user futex_xor(int __user *uaddr, int n) 41static inline struct __get_user futex_xor(u32 __user *uaddr, int n)
42{ 42{
43 struct __get_user asm_ret = __get_user_4(uaddr); 43 struct __get_user asm_ret = __get_user_4(uaddr);
44 if (!asm_ret.err) { 44 if (!asm_ret.err) {
@@ -53,7 +53,7 @@ static inline struct __get_user futex_xor(int __user *uaddr, int n)
53} 53}
54#endif 54#endif
55 55
56static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) 56static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
57{ 57{
58 int op = (encoded_op >> 28) & 7; 58 int op = (encoded_op >> 28) & 7;
59 int cmp = (encoded_op >> 24) & 15; 59 int cmp = (encoded_op >> 24) & 15;
@@ -65,7 +65,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
65 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 65 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
66 oparg = 1 << oparg; 66 oparg = 1 << oparg;
67 67
68 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 68 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
69 return -EFAULT; 69 return -EFAULT;
70 70
71 pagefault_disable(); 71 pagefault_disable();
@@ -119,12 +119,12 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
119 return ret; 119 return ret;
120} 120}
121 121
122static inline int futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 122static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
123 int oldval, int newval) 123 u32 oldval, u32 newval)
124{ 124{
125 struct __get_user asm_ret; 125 struct __get_user asm_ret;
126 126
127 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 127 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
128 return -EFAULT; 128 return -EFAULT;
129 129
130 asm_ret = futex_cmpxchg(uaddr, oldval, newval); 130 asm_ret = futex_cmpxchg(uaddr, oldval, newval);
diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
index 884c0b5676f4..d09bb03653f0 100644
--- a/arch/x86/include/asm/futex.h
+++ b/arch/x86/include/asm/futex.h
@@ -37,7 +37,7 @@
37 "+m" (*uaddr), "=&r" (tem) \ 37 "+m" (*uaddr), "=&r" (tem) \
38 : "r" (oparg), "i" (-EFAULT), "1" (0)) 38 : "r" (oparg), "i" (-EFAULT), "1" (0))
39 39
40static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) 40static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
41{ 41{
42 int op = (encoded_op >> 28) & 7; 42 int op = (encoded_op >> 28) & 7;
43 int cmp = (encoded_op >> 24) & 15; 43 int cmp = (encoded_op >> 24) & 15;
@@ -48,7 +48,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
48 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 48 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
49 oparg = 1 << oparg; 49 oparg = 1 << oparg;
50 50
51 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 51 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
52 return -EFAULT; 52 return -EFAULT;
53 53
54#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_BSWAP) 54#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_BSWAP)
@@ -109,8 +109,8 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
109 return ret; 109 return ret;
110} 110}
111 111
112static inline int futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, 112static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
113 int oldval, int newval) 113 u32 oldval, u32 newval)
114{ 114{
115 int ret = 0; 115 int ret = 0;
116 116
@@ -120,7 +120,7 @@ static inline int futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr,
120 return -ENOSYS; 120 return -ENOSYS;
121#endif 121#endif
122 122
123 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) 123 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
124 return -EFAULT; 124 return -EFAULT;
125 125
126 asm volatile("1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n" 126 asm volatile("1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n"
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-21 07:26:42 -0400