Re: Memory (skb) leak in kernel 4.8-rc2

2016-08-25 Thread Larry Finger
On 08/25/2016 01:22 AM, Frederic Dalleau wrote: Hi Larry, On 24/08/2016 22:02, Larry Finger wrote: On 08/21/2016 07:09 AM, Frederic Dalleau wrote: I am unable to unload module bluetooth to verify that the second leak is not a false positive; however, the one in btusb is a real memory leak.

Re: Memory (skb) leak in kernel 4.8-rc2

2016-08-24 Thread Frederic Dalleau
Hi Larry, On 24/08/2016 22:02, Larry Finger wrote: On 08/21/2016 07:09 AM, Frederic Dalleau wrote: I am unable to unload module bluetooth to verify that the second leak is not a false positive; however, the one in btusb is a real memory leak. I have a patch on the grill. Any progress on t

Re: Memory (skb) leak in kernel 4.8-rc2

2016-08-24 Thread Larry Finger
On 08/21/2016 07:09 AM, Frederic Dalleau wrote: Hi Marcel, Johan, I am unable to unload module bluetooth to verify that the second leak is not a false positive; however, the one in btusb is a real memory leak. There was a bugzilla last week with that backtrace: https://bugzilla.kernel.org/sho

Re: Memory (skb) leak in kernel 4.8-rc2

2016-08-21 Thread Frederic Dalleau
Hi Marcel, Johan, I am unable to unload module bluetooth to verify that the second leak is not a false positive; however, the one in btusb is a real memory leak. There was a bugzilla last week with that backtrace: https://bugzilla.kernel.org/show_bug.cgi?id=120691 At the time, I was thinkin

Re: Memory (skb) leak in kernel 4.8-rc2

2016-08-20 Thread Larry Finger
On 08/20/2016 01:01 AM, Marcel Holtmann wrote: Hi Larry, I can not see a leak. Maybe Johan has an idea. Marcel and Johan, The hardware in question is an Intel device with USB ID 8087:07dc, which is part of an Intel Wireless 7260. The kmemleak backtraces for the two kinds of leaks are: unr

Re: Memory (skb) leak in kernel 4.8-rc2

2016-08-20 Thread Johan Hedberg
Hi Marcel, On Sat, Aug 20, 2016, Marcel Holtmann wrote: > > I am seeing two skb leaks in the BT sub-system for kernel 4.8-rc2. I > > only recently re-enabled kmemleak, but I do not think I saw these > > leaks in 4.7. > > > > The first leak is at btusb_recv_intr+0x12b/0x170 [btusb]. This > > addre

Re: Memory (skb) leak in kernel 4.8-rc2

2016-08-19 Thread Marcel Holtmann
Hi Larry, > I am seeing two skb leaks in the BT sub-system for kernel 4.8-rc2. I only > recently re-enabled kmemleak, but I do not think I saw these leaks in 4.7. > > The first leak is at btusb_recv_intr+0x12b/0x170 [btusb]. This address refers > to the call to bt_skb_alloc() in routine btusb_r

Memory (skb) leak in kernel 4.8-rc2

2016-08-19 Thread Larry Finger
I am seeing two skb leaks in the BT sub-system for kernel 4.8-rc2. I only recently re-enabled kmemleak, but I do not think I saw these leaks in 4.7. The first leak is at btusb_recv_intr+0x12b/0x170 [btusb]. This address refers to the call to bt_skb_alloc() in routine btusb_recv_intr(). The se