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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-19 18:47:34 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-19 18:47:34 +0100 |
| commit | 10e5453ffa0d04a2eda3cda3f55b88cb9c04595f (patch) | |
| tree | def247dc399549bc1359fe9d1faa49c621f8890d /kernel/sys.c | |
| parent | Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/k... (diff) | |
| parent | sys: Fix missing rcu protection for __task_cred() access (diff) | |
| download | linux-10e5453ffa0d04a2eda3cda3f55b88cb9c04595f.tar.xz linux-10e5453ffa0d04a2eda3cda3f55b88cb9c04595f.zip | |
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sys: Fix missing rcu protection for __task_cred() access
signals: Fix more rcu assumptions
signal: Fix racy access to __task_cred in kill_pid_info_as_uid()
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 20ccfb5da6af..26a6b73a6b85 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -162,6 +162,7 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval) if (niceval > 19) niceval = 19; + rcu_read_lock(); read_lock(&tasklist_lock); switch (which) { case PRIO_PROCESS: @@ -199,6 +200,7 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval) } out_unlock: read_unlock(&tasklist_lock); + rcu_read_unlock(); out: return error; } |