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Groups > linux.kernel > #1500278
| From | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) |
| Date | 2016-10-13 15:50 +0200 |
| Message-ID | <srOyu-49a-29@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <srnHY-2dx-15@gated-at.bofh.it> <srsxY-5Bl-15@gated-at.bofh.it> <srsHD-5Fa-1@gated-at.bofh.it> <srHnj-87T-5@gated-at.bofh.it> <srHnj-87T-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On (10/13/16 08:02), Johannes Berg wrote: > On Wed, 2016-10-12 at 22:39 -0700, Andy Lutomirski wrote: > > > 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=bf8cfa200b5a01383ea39fc8ce2f32909767baa8 > > That 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 which is basically failed '!phys_addr_valid(x)' in __virt_addr_valid() /* carry flag will be set if starting x was >= PAGE_OFFSET */ if ((x > y) || !phys_addr_valid(x)) return false; backtrace ------------[ cut here ]------------ WARNING: CPU: 7 PID: 246 at arch/x86/mm/physaddr.c:68 __virt_addr_valid+0xab/0xed ffffc900002cb6f0 ffffffff8122168c 0000000000000000 0000000000000000 ffffc900002cb730 ffffffff810428d8 0000004400000198 ffff88041bd21022 ffffc900002cba02 1ffff920000596ed ffff88041932d1e0 ffffc900002cba00 Call Trace: [<ffffffff8122168c>] dump_stack+0x4f/0x65 [<ffffffff810428d8>] __warn+0xc2/0xdd [<ffffffff81042963>] warn_slowpath_null+0x1d/0x1f [<ffffffff8103c226>] __virt_addr_valid+0xab/0xed [<ffffffff8146d31a>] ieee80211_aes_ccm_decrypt+0x8f/0x2da [<ffffffff812372de>] ? debug_smp_processor_id+0x17/0x19 [<ffffffff810fb7e1>] ? __put_page+0x3c/0x3f [<ffffffff8145b879>] ? ccmp_special_blocks.isra.1+0x51/0x12d [<ffffffff8145c445>] ieee80211_crypto_ccmp_decrypt+0x204/0x298 [<ffffffff81476dd1>] ieee80211_rx_handlers+0x7df/0x1c1d [<ffffffff814791c1>] ieee80211_prepare_and_rx_handle+0xdc2/0xe79 [<ffffffff814793cc>] ? ieee80211_rx_napi+0x154/0x7a5 [<ffffffff814796ec>] ieee80211_rx_napi+0x474/0x7a5 [<ffffffffa01fce3b>] iwl_mvm_rx_rx_mpdu+0x6e6/0x751 [iwlmvm] [<ffffffffa01f6c49>] iwl_mvm_rx+0x7e/0x98 [iwlmvm] [<ffffffffa01c0bca>] iwl_pcie_rx_handle+0x523/0x698 [iwlwifi] [<ffffffffa01c2015>] iwl_pcie_irq_handler+0x45d/0x64d [iwlwifi] [<ffffffff81089411>] ? irq_finalize_oneshot+0xd4/0xd4 [<ffffffff8108942e>] irq_thread_fn+0x1d/0x34 [<ffffffff810896a2>] irq_thread+0xe6/0x1bb [<ffffffff81089527>] ? wake_threads_waitq+0x2c/0x2c [<ffffffff810895bc>] ? irq_thread_dtor+0x95/0x95 [<ffffffff8105d7a3>] kthread+0xfc/0x104 [<ffffffff8107d3ad>] ? put_lock_stats.isra.9+0xe/0x20 [<ffffffff8105d6a7>] ? kthread_create_on_node+0x3f/0x3f [<ffffffff8105d6a7>] ? kthread_create_on_node+0x3f/0x3f [<ffffffff8105d6a7>] ? kthread_create_on_node+0x3f/0x3f [<ffffffff814b2952>] ret_from_fork+0x22/0x30 -ss
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[mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-10 17:10 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-10 17:40 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-12 11:10 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-12 16:20 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-12 16:30 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Andy Lutomirski <luto@amacapital.net> - 2016-10-13 08:10 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-13 08:10 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-13 15:50 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-13 16:10 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-13 16:20 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-13 17:10 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-13 17:30 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Andy Lutomirski <luto@amacapital.net> - 2016-10-14 00:00 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 09:30 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 10:30 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-10-14 10:40 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-10-14 10:50 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 11:00 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-10-14 11:10 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 11:20 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 11:30 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-10-14 11:40 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 12:10 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-10-14 13:20 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-10-14 11:30 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-10-14 10:50 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 10:50 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 11:00 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Johannes Berg <johannes@sipsolutions.net> - 2016-10-14 10:50 +0200
Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7) Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-10-14 10:50 +0200
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