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d968275921f9fa7fbc602ac6618ffec6a062ee3c
linux/arch/mips/kernel
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Yong Zhang 1eec6cd08b MIPS: Compat: Use 32-bit wrapper for compat_sys_futex. 
We can't trust userspace to pass signed-extend arguments.  Not correctly
sign-extended arguments to futex-wait result in architecturally undefined
operation of 32-bit arithmetic instructions.

For example, if 'val' is too big and bit-31 is 1, the caller may enter
endless loop at:

futex_wait_setup()
{
	...

	if (uval != val) {
		queue_unlock(q, *hb);
		ret = -EWOULDBLOCK;

	...
}

Signed-off-by: Yong Zhang <yong.zhang@windriver.com>
To: linux-mips@linux-mips.org
To: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/2714/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-09-21 17:53:44 +02:00
..
cpufreq
MIPS: Use set_cpus_allowed_ptr
2010-05-21 21:31:14 +01:00
.gitignore
[MIPS] Ignore vmlinux.lds generated files
2008-08-26 09:10:27 +01:00
8250-platform.c
[MIPS] Put an end to <asm/serial.h>'s long and annyoing existence
2007-07-10 17:33:01 +01:00
asm-offsets.c
MIPS: Remove unused task_struct.trap_no field.
2010-08-05 13:26:30 +01:00
binfmt_elfn32.c
remove div_long_long_rem
2008-05-01 08:03:58 -07:00
binfmt_elfo32.c
MIPS: 64-bit: Fix o32 core dump
2009-07-03 15:45:27 +01:00
branch.c
MIPS: Sanitize restart logics
2010-10-18 16:59:02 +01:00
cevt-bcm1480.c
MIPS: Add missing #inclusions of <linux/irq.h>
2010-10-07 14:08:54 +01:00
cevt-ds1287.c
MIPS: Add missing #inclusions of <linux/irq.h>
2010-10-07 14:08:54 +01:00
cevt-gt641xx.c
MIPS: Add missing #inclusions of <linux/irq.h>
2010-10-07 14:08:54 +01:00
cevt-r4k.c
MIPS: Fix CP0 COUNTER clockevent race
2010-12-16 18:10:58 +00:00
cevt-sb1250.c
MIPS: Add missing #inclusions of <linux/irq.h>
2010-10-07 14:08:54 +01:00
cevt-smtc.c
MIPS: Add missing #inclusions of <linux/irq.h>
2010-10-07 14:08:54 +01:00
cevt-txx9.c
mips: convert to clocksource_register_hz/khz
2011-02-21 13:33:50 -08:00
cpu-bugs64.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
cpu-probe.c
MIPS: Remove pointless return statement from empty void functions.
2011-07-25 17:26:55 +01:00
csrc-bcm1480.c
mips: convert to clocksource_register_hz/khz
2011-02-21 13:33:50 -08:00
csrc-ioasic.c
mips: convert to clocksource_register_hz/khz
2011-02-21 13:33:50 -08:00
csrc-powertv.c
mips: convert to clocksource_register_hz/khz
2011-02-21 13:33:50 -08:00
csrc-r4k.c
mips: convert to clocksource_register_hz/khz
2011-02-21 13:33:50 -08:00
csrc-sb1250.c
mips: convert to clocksource_register_hz/khz
2011-02-21 13:33:50 -08:00
early_printk.c
[MIPS] fix sparse warning about setup_early_printk()
2008-07-15 18:44:29 +01:00
entry.S
MIPS: Split do_syscall_trace into two functions.
2011-05-19 09:55:44 +01:00
ftrace.c
MIPS: Ftrace: Fix the CONFIG_DYNAMIC_FTRACE=n compile
2011-09-21 17:52:04 +02:00
genex.S
MIPS: Read watch registers with interrupts disabled.
2009-01-30 21:32:58 +00:00
gpio_txx9.c
[MIPS] txx9: Make gpio_txx9 entirely spinlock-safe
2008-07-15 18:44:34 +01:00
head.S
MIPS: Avoid potential hazard on Context register
2009-11-02 12:00:07 +01:00
i8253.c
mips: Fix i8253 clockevent fallout
2011-07-22 11:18:22 +02:00
i8259.c
MIPS: i8259: Mark cascade interrupt non-threaded
2011-09-21 17:52:28 +02:00
init_task.c
Use new __init_task_data macro in arch init_task.c files.
2009-09-21 06:27:08 +02:00
irq_cpu.c
MIPS: Install handlers for software IRQs
2011-07-25 17:26:54 +01:00
irq_txx9.c
MIPS: Convert the irq functions to the new names
2011-03-29 14:48:07 +02:00
irq-gic.c
MIPS: Convert the irq functions to the new names
2011-03-29 14:48:07 +02:00
irq-gt641xx.c
MIPS: Convert the irq functions to the new names
2011-03-29 14:48:07 +02:00
irq-msc01.c
MIPS: Convert the irq functions to the new names
2011-03-29 14:48:07 +02:00
irq-rm7000.c
MIPS: Convert the irq functions to the new names
2011-03-29 14:48:07 +02:00
irq-rm9000.c
MIPS: Convert the irq functions to the new names
2011-03-29 14:48:07 +02:00
irq.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
jump_label.c
MIPS: jump label: Add MIPS support.
2011-01-18 19:30:24 +01:00
kgdb.c
MIPS: Fix a typo.
2010-10-04 18:33:54 +01:00
kprobes.c
MIPS: kprobe: Add support.
2010-08-05 13:26:29 +01:00
kspd.c
MIPS: kspd: Adjust confusing if indentation
2010-10-04 18:33:54 +01:00
linux32.c
MIPS: Compat: Use 32-bit wrapper for compat_sys_futex.
2011-09-21 17:53:44 +02:00
machine_kexec.c
[MIPS] Unconditionally writeback and invalidate caches on kexec.
2007-08-27 02:16:59 +01:00
Makefile
MIPS: Kconfig and Makefile update for Netlogic XLR/XLS
2011-05-19 09:55:40 +01:00
mcount.S
MIPS: tracing: Fix the indentation of mcount.S
2010-08-05 13:26:06 +01:00
mips_ksyms.c
MIPS: Tracing: Add static function tracer support for MIPS
2009-12-17 01:57:21 +00:00
mips_machine.c
MIPS: Add generic support for multiple machines within a single kernel
2011-01-18 19:30:21 +01:00
mips-mt-fpaff.c
MIPS: MT: Fix build error iFPU affinity code
2010-10-25 08:12:27 -07:00
mips-mt.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
module.c
modules: make arch's use default loader hooks
2011-07-24 22:06:04 +09:30
octeon_switch.S
update David Miller's old email address
2011-04-06 06:19:38 -07:00
perf_event_mipsxx.c
perf, arch: Add generic NODE cache events
2011-07-01 11:06:38 +02:00
perf_event.c
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
2011-07-26 14:17:28 -07:00
proc.c
MIPS: Probe for presence of KScratch registers.
2011-01-18 19:30:22 +01:00
process.c
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
2011-07-26 14:17:28 -07:00
prom.c
dt/flattree: explicitly pass command line pointer to early_init_dt_scan_chosen
2011-05-11 14:53:18 +02:00
ptrace32.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
ptrace.c
MIPS: Split do_syscall_trace into two functions.
2011-05-19 09:55:44 +01:00
r4k_fpu.S
update David Miller's old email address
2011-04-06 06:19:38 -07:00
r4k_switch.S
update David Miller's old email address
2011-04-06 06:19:38 -07:00
r2300_fpu.S
update David Miller's old email address
2011-04-06 06:19:38 -07:00
r2300_switch.S
update David Miller's old email address
2011-04-06 06:19:38 -07:00
r6000_fpu.S
update David Miller's old email address
2011-04-06 06:19:38 -07:00
relocate_kernel.S
[MIPS] Kexec: Fix several 64-bit bugs.
2007-07-31 21:35:36 +01:00
reset.c
[MIPS] Export pm_power_off
2006-12-10 21:52:11 +00:00
rtlx.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
scall32-o32.S
All Arch: remove linkage for sys_nfsservctl system call
2011-08-26 15:09:58 -07:00
scall64-64.S
All Arch: remove linkage for sys_nfsservctl system call
2011-08-26 15:09:58 -07:00
scall64-n32.S
MIPS: Compat: Use 32-bit wrapper for compat_sys_futex.
2011-09-21 17:53:44 +02:00
scall64-o32.S
MIPS: Compat: Use 32-bit wrapper for compat_sys_futex.
2011-09-21 17:53:44 +02:00
setup.c
MIPS: Implement __read_mostly
2011-01-18 19:30:28 +01:00
signal32.c
MIPS: Fix GCC-4.6 'set but not used' warning in signal*.c
2011-03-14 21:07:25 +01:00
signal_n32.c
MIPS: do_sigaltstack() expects userland pointers
2010-10-18 16:59:03 +01:00
signal-common.h
MIPS: Move signal trampolines off of the stack.
2010-04-12 17:26:15 +01:00
signal.c
MIPS: Handle __put_user() sleeping.
2011-09-21 17:52:38 +02:00
smp-cmp.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
smp-mt.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
smp-up.c
cpumask: arch_send_call_function_ipi_mask: mips
2009-09-24 09:34:45 +09:30
smp.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
smtc-asm.S
[MIPS] SMTC: Don't set and restore irqregs ptr from self_ipi.
2007-06-11 18:20:53 +01:00
smtc-proc.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
smtc.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
spinlock_test.c
MIPS: Crazy spinlock speed test.
2010-02-27 12:53:42 +01:00
spram.c
MIPS: SPRAM: Clean up support code a little
2009-11-02 12:00:05 +01:00
stacktrace.c
MIPS: Eleminate filenames from comments
2009-08-03 17:52:40 +01:00
sync-r4k.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
syscall.c
MIPS: Move arch_get_unmapped_area and gang to new file.
2011-05-19 09:55:49 +01:00
time.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
topology.c
MIPS: Add arch generic CPU hotplug
2009-06-24 18:34:40 +01:00
traps.c
MIPS: Make the die_lock be raw
2011-09-21 17:52:09 +02:00
unaligned.c
perf: Remove the nmi parameter from the swevent and overflow interface
2011-07-01 11:06:35 +02:00
vdso.c
MIPS: Make init_vdso a subsys_initcall.
2010-07-26 19:08:16 +01:00
vmlinux.lds.S
Merge branch 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
2011-05-24 11:53:42 -07:00
vpe.c
MIPS: VPE: Select correct tc
2011-09-17 02:37:03 +02:00
watch.c
MIPS: Add HARDWARE_WATCHPOINTS definitions and support code.
2008-10-11 16:18:56 +01:00