Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7)
From: Sergey Senozhatsky <hidden>
Date: 2016-10-13 14:06:40
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linux-next, linux-wireless, lkml
Possibly related (same subject, not in this thread)
- 2016-10-14 · Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) · Ard Biesheuvel <hidden>
- 2016-10-14 · Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) · Johannes Berg <johannes@sipsolutions.net>
- 2016-10-14 · Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) · Ard Biesheuvel <hidden>
- 2016-10-14 · Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) · Johannes Berg <johannes@sipsolutions.net>
- 2016-10-14 · Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) · Ard Biesheuvel <hidden>
On (10/13/16 22:42), Sergey Senozhatsky wrote:
On (10/13/16 08:02), Johannes Berg wrote:quoted
On Wed, 2016-10-12 at 22:39 -0700, Andy Lutomirski wrote:quoted
In a pinch, I have these patches sitting around: https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git/commit/?h=x86/vmap_stack&id=0a39cfa6fbb5d5635c85253cc7d6b44b54822afd https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git/commit/?h=x86/vmap_stack&id=bf8cfa200b5a01383ea39fc8ce2f32909767baa8That truly sounds like something we'd rather avoid in the TX/RX paths though, which should perform well.didn't fix. so I finally had some time to do a better bug-reporter job. I added a bunch of printk-s and several virt_addr_valid()-s to ieee80211_aes_ccm_encrypt(). and right befoe the Oops I see the following report from virt_addr_valid() FAIL: 00004100002cba02 > ffffc900802cba02 || 1 -> (00004100002cba02 >> 39) == 130
that `(00004100002cba02 >> 39) == 130' part is
phys_addr_valid()
{
(addr >> boot_cpu_data.x86_phys_bits)
}
-ss