Thomas Gleixner
7d99b7d634
[PATCH] Validate and sanitze itimer timeval from userspace ...
According to the specification the timevals must be validated and an
errorcode -EINVAL returned in case the timevals are not in canonical form.
This check was never done in Linux.
The pre 2.6.16 code converted invalid timevals silently. Negative timeouts
were converted by the timeval_to_jiffies conversion to the maximum timeout.
hrtimers and the ktime_t operations expect timevals in canonical form.
Otherwise random results might happen on 32 bits machines due to the
optimized ktime_add/sub operations. Negative timeouts are treated as
already expired. This might break applications which work on pre 2.6.16.
To prevent random behaviour and API breakage the timevals are checked and
invalid timevals sanitized in a simliar way as the pre 2.6.16 code did.
Invalid timevals are reported with a per boot limited number of kernel
messages so applications which use this misfeature can be corrected.
After a grace period of one year the sanitizing should be replaced by a
correct validation check. This is also documented in
Documentation/feature-removal-schedule.txt
The validation and sanitizing is done inside do_setitimer so all callers
(sys_setitimer, compat_sys_setitimer, osf_setitimer) are catched.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-25 08:22:49 -08:00
[PATCH] kernel/: small cleanups
2006-01-08 20:13:48 -08:00
[PATCH] sem2mutex: kernel/
2006-03-23 07:38:10 -08:00
gitignore: ignore more generated files
2006-01-03 11:35:26 +01:00
[PATCH] move capable() to capability.h
2006-01-11 18:42:13 -08:00
[PATCH] EDAC: atomic scrub operations
2006-01-18 19:20:30 -08:00
Merge ../powerpc-merge
2006-02-24 14:05:47 +11:00
[PATCH] move capable() to capability.h
2006-01-11 18:42:13 -08:00
[PATCH] remove bogus asm/bug.h includes.
2006-02-07 20:56:35 -05:00
update the email address of Randy Dunlap
2006-01-03 13:37:51 +01:00
[PATCH] clean up lock_cpu_hotplug() in cpufreq
2005-11-28 14:42:23 -08:00
[PATCH] cpuset: remove useless local variable initialization
2006-03-24 07:33:24 -08:00
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
[PATCH] Fix module refcount leak in __set_personality()
2006-03-24 07:33:30 -08:00
[PATCH] sem2mutex: tty
2006-03-23 07:38:11 -08:00
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
[PATCH] cpuset memory spread slab cache optimizations
2006-03-24 07:33:23 -08:00
[PATCH] FRV: Make futex code compilable on nommu [try #2 ]
2006-01-06 08:33:33 -08:00
[PATCH] fix next_timer_interrupt() for hrtimer
2006-03-06 18:40:44 -08:00
[PATCH] missing license tag in intermodule
2006-02-05 11:06:52 -08:00
[PATCH] Validate and sanitze itimer timeval from userspace
2006-03-25 08:22:49 -08:00
[PATCH] fix missing includes
2005-10-30 17:37:32 -08:00
[PATCH] i386: Selectable Frequency of the Timer Interrupt
2005-06-23 09:45:10 -07:00
[PATCH] sched: voluntary kernel preemption
2005-06-25 16:24:45 -07:00
[PATCH] move capable() to capability.h
2006-01-11 18:42:13 -08:00
[PATCH] gfp flags annotations - part 1
2005-10-08 15:00:57 -07:00
[PATCH] Keys: Get rid of warning in kmod.c if keys disabled
2005-10-30 17:37:23 -08:00
[PATCH] sem2mutex: kprobes
2006-03-23 07:38:12 -08:00
[PATCH] fix build error if CONFIG_SYSFS=n
2006-03-24 07:33:31 -08:00
[PATCH] sem2mutex: kernel/
2006-03-23 07:38:10 -08:00
[PATCH] relay: migrate from relayfs to a generic relay API
2006-03-23 19:56:55 +01:00
[PATCH] strndup_user: convert module
2006-03-24 07:33:31 -08:00
[PATCH] fix/simplify mutex debugging code
2006-01-11 08:14:16 -08:00
[PATCH] mutex subsystem, debugging code
2006-01-09 15:59:20 -08:00
[PATCH] mutex: trivial whitespace cleanups
2006-01-10 14:27:59 -08:00
[PATCH] mutex subsystem, core
2006-01-09 15:59:19 -08:00
[PATCH] pause_on_oops command line option
2006-03-23 07:38:16 -08:00
[PATCH] fix module sysfs files reference counting
2006-03-20 13:42:58 -08:00
[PATCH] RCU signal handling
2006-01-08 20:13:40 -08:00
[PATCH] hrtimer: switch clock_nanosleep to hrtimer nanosleep API
2006-01-10 08:01:38 -08:00
[PATCH] sem2mutex: kernel/
2006-03-23 07:38:10 -08:00
[PATCH] console_setup() depends (wrongly?) on CONFIG_PRINTK
2006-03-24 07:33:27 -08:00
[PATCH] sem2mutex: kernel/
2006-03-23 07:38:10 -08:00
[PATCH] fix zap_thread's ptrace related problems
2006-02-15 11:05:43 -08:00
[PATCH] rcu_process_callbacks: don't cli() while testing ->nxtlist
2006-03-24 07:33:20 -08:00
[PATCH] rcutorture: tag success/failure line with module parameters
2006-03-24 07:33:22 -08:00
[PATCH] relay: consolidate sendfile() and read() code
2006-03-23 19:58:45 +01:00
[PATCH] kernel/resource.c: __check_region(): remove pointless __deprecated
2006-01-10 08:02:02 -08:00
[PATCH] make bug messages more consistent
2006-03-23 07:38:16 -08:00
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
[PATCH] sigprocmask: kill unneeded temp var
2006-03-23 07:38:15 -08:00
[PATCH] on_each_cpu(): disable local interrupts
2006-03-22 07:53:59 -08:00
[PATCH] timer irq driven soft watchdog fix
2006-03-25 08:22:48 -08:00
[PATCH] BUILD_LOCK_OPS: cleanup preempt_disable() usage
2006-03-23 07:38:16 -08:00
[PATCH] Remove set_fs() in stop_machine()
2006-01-10 08:01:25 -08:00
[PATCH] RLIMIT_CPU: document wrong return value
2006-03-24 07:33:30 -08:00
[PATCH] Fix compile for CONFIG_SYSVIPC=n or CONFIG_SYSCTL=n
2006-02-20 20:00:11 -08:00
[PATCH] Range checking in do_proc_dointvec_(userhz_)jiffies_conv
2006-03-24 07:33:20 -08:00
[PATCH] Normalize timespec for negative values in ns_to_timespec
2006-02-03 08:32:06 -08:00
[PATCH] sys_alarm() unsigned signed conversion fixup
2006-03-25 08:22:48 -08:00
[PATCH] move capable() to capability.h
2006-01-11 18:42:13 -08:00
[PATCH] free_uid() locking improvement
2006-03-24 07:33:20 -08:00
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
[SCSI] add execute_in_process_context() API
2006-02-27 23:34:40 -06:00
7d99b7d634