xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

Browse Source 
* '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()
This commit is contained in:
Linus Torvalds
2009-12-19 09:47:34 -08:00
parent 3cd312c3e8 d4581a239a
commit 10e5453ffa
2 changed files with 16 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/sys.c
View File

@@ -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;
}