22 Feb
2021
22 Feb
'21
7:01 a.m.
On 2021/2/22 14:40, Greg KH wrote:
On Mon, Feb 22, 2021 at 12:06:17PM +0800, Zheng Yejian wrote:
*** BLURB HERE ***
No blurb? Why is this needed?
.
This patch may fix the following bug:
Link: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/kernel...
> static int __fixup_pi_state_owner(u32 __user *uaddr, struct futex_q *q, > struct task_struct *argowner) > { > struct futex_pi_state *pi_state = q->pi_state; > struct task_struct *oldowner, *newowner; > u32 uval, curval, newval, newtid; > int err = 0; > > oldowner = pi_state->owner; > > /* Owner died? */ > if (!pi_state->owner) > newtid |= FUTEX_OWNER_DIED; Variable "newtid" is used without initialized.