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authorIngo Molnar <mingo@elte.hu>2008-12-29 09:45:15 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-29 09:45:15 +0100
commite1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (patch)
treebca1fcfef55b3e3e82c9a822b4ac6428fce2b419 /fs/fuse
parent2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
downloadlinux-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.tar.gz
Merge branch 'linus' into perfcounters/core
Conflicts: fs/exec.c include/linux/init_task.h Simple context conflicts.
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/dev.c4
-rw-r--r--fs/fuse/dir.c23
2 files changed, 17 insertions, 10 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index b72361479be2..fba571648a8e 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -87,8 +87,8 @@ static void __fuse_put_request(struct fuse_req *req)
static void fuse_req_init_context(struct fuse_req *req)
{
- req->in.h.uid = current->fsuid;
- req->in.h.gid = current->fsgid;
+ req->in.h.uid = current_fsuid();
+ req->in.h.gid = current_fsgid();
req->in.h.pid = current->pid;
}
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index fd03330cadeb..95bc22bdd060 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -869,18 +869,25 @@ int fuse_update_attributes(struct inode *inode, struct kstat *stat,
*/
int fuse_allow_task(struct fuse_conn *fc, struct task_struct *task)
{
+ const struct cred *cred;
+ int ret;
+
if (fc->flags & FUSE_ALLOW_OTHER)
return 1;
- if (task->euid == fc->user_id &&
- task->suid == fc->user_id &&
- task->uid == fc->user_id &&
- task->egid == fc->group_id &&
- task->sgid == fc->group_id &&
- task->gid == fc->group_id)
- return 1;
+ rcu_read_lock();
+ ret = 0;
+ cred = __task_cred(task);
+ if (cred->euid == fc->user_id &&
+ cred->suid == fc->user_id &&
+ cred->uid == fc->user_id &&
+ cred->egid == fc->group_id &&
+ cred->sgid == fc->group_id &&
+ cred->gid == fc->group_id)
+ ret = 1;
+ rcu_read_unlock();
- return 0;
+ return ret;
}
static int fuse_access(struct inode *inode, int mask)