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Date: Fri, 14 Oct 2016 00:04:43 +0900
From: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc: Johannes Berg <johannes@...solutions.net>,
Andy Lutomirski <luto@...capital.net>,
Andy Lutomirski <luto@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Linux Wireless List <linux-wireless@...r.kernel.org>,
Network Development <netdev@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
Stephen Rothwell <sfr@...b.auug.org.au>,
Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [mac80211] BUG_ON with current -git (4.8.0-11417-g24532f7)
On (10/14/16 00:00), Sergey Senozhatsky wrote:
> kernel: [<ffffffff8145c405>] ieee80211_crypto_ccmp_decrypt+0x204/0x298
> kernel: [<ffffffff81476cd8>] ieee80211_rx_handlers+0x7df/0x1c1d
> kernel: [<ffffffff814790c8>] ieee80211_prepare_and_rx_handle+0xdc2/0xe79
> kernel: [<ffffffff814792e7>] ? ieee80211_rx_napi+0x168/0x7b6
> kernel: [<ffffffff8147960a>] ieee80211_rx_napi+0x48b/0x7b6
> kernel: [<ffffffff8123729e>] ? debug_smp_processor_id+0x17/0x19
> kernel: [<ffffffffa01cfe3b>] iwl_mvm_rx_rx_mpdu+0x6e6/0x751 [iwlmvm]
> kernel: [<ffffffffa01c9c49>] iwl_mvm_rx+0x7e/0x98 [iwlmvm]
> kernel: [<ffffffffa0131bca>] iwl_pcie_rx_handle+0x523/0x698 [iwlwifi]
> kernel: [<ffffffffa0133027>] iwl_pcie_irq_handler+0x46f/0x65f [iwlwifi]
> kernel: [<ffffffff810893d0>] ? irq_finalize_oneshot+0xd4/0xd4
> kernel: [<ffffffff810893ed>] irq_thread_fn+0x1d/0x34
> kernel: [<ffffffff81089661>] irq_thread+0xe6/0x1bb
> kernel: [<ffffffff810894e6>] ? wake_threads_waitq+0x2c/0x2c
> kernel: [<ffffffff8108957b>] ? irq_thread_dtor+0x95/0x95
> kernel: [<ffffffff8105d762>] kthread+0xfc/0x104
> kernel: [<ffffffff8107d36c>] ? put_lock_stats.isra.9+0xe/0x20
> kernel: [<ffffffff8105d666>] ? kthread_create_on_node+0x3f/0x3f
> kernel: [<ffffffff814b2852>] ret_from_fork+0x22/0x30
> kernel: Code: 01 ca 49 89 d1 48 89 d1 48 c1 ea 23 48 8b 14 d5 80 23 63 82 49 c1 e9 0c 48 c1 e9 1b 48 85 d2 74 0a 0f b6 c9 48 c1 e1 04 48 01 ca <48> 8b 12 49 c1 e1 06 b9 00 00 00 80 89 7d 80 89 75 84 48 8b 3d
> kernel: RIP [<ffffffff8146d2f4>] ieee80211_aes_ccm_decrypt+0x107/0x27f
ffffffff8146d1ed <ieee80211_aes_ccm_decrypt>:
ffffffff8146d1ed: e8 9e 67 04 00 callq ffffffff814b3990 <__fentry__>
ffffffff8146d1f2: 55 push %rbp
ffffffff8146d1f3: 48 89 e5 mov %rsp,%rbp
ffffffff8146d1f6: 41 57 push %r15
ffffffff8146d1f8: 41 56 push %r14
ffffffff8146d1fa: 49 89 ce mov %rcx,%r14
ffffffff8146d1fd: 41 55 push %r13
ffffffff8146d1ff: 41 54 push %r12
ffffffff8146d201: 53 push %rbx
ffffffff8146d202: 48 83 c4 80 add $0xffffffffffffff80,%rsp
ffffffff8146d206: 8b 47 04 mov 0x4(%rdi),%eax
ffffffff8146d209: 48 8d 48 50 lea 0x50(%rax),%rcx
ffffffff8146d20d: 48 83 c0 5e add $0x5e,%rax
ffffffff8146d211: 48 c1 e8 03 shr $0x3,%rax
ffffffff8146d215: 48 c1 e0 03 shl $0x3,%rax
ffffffff8146d219: 48 29 c4 sub %rax,%rsp
ffffffff8146d21c: 4c 8d 7c 24 07 lea 0x7(%rsp),%r15
ffffffff8146d221: 49 c1 ef 03 shr $0x3,%r15
ffffffff8146d225: 4d 85 c0 test %r8,%r8
ffffffff8146d228: 4a 8d 04 fd 00 00 00 lea 0x0(,%r15,8),%rax
ffffffff8146d22f: 00
ffffffff8146d230: 48 89 85 70 ff ff ff mov %rax,-0x90(%rbp)
ffffffff8146d237: 75 0a jne ffffffff8146d243 <ieee80211_aes_ccm_decrypt+0x56>
ffffffff8146d239: b8 ea ff ff ff mov $0xffffffea,%eax
ffffffff8146d23e: e9 1a 02 00 00 jmpq ffffffff8146d45d <ieee80211_aes_ccm_decrypt+0x270>
ffffffff8146d243: 31 c0 xor %eax,%eax
ffffffff8146d245: 49 89 fc mov %rdi,%r12
ffffffff8146d248: 49 89 f5 mov %rsi,%r13
ffffffff8146d24b: 4c 89 85 58 ff ff ff mov %r8,-0xa8(%rbp)
ffffffff8146d252: 4a 8d 3c fd 00 00 00 lea 0x0(,%r15,8),%rdi
ffffffff8146d259: 00
ffffffff8146d25a: be 03 00 00 00 mov $0x3,%esi
ffffffff8146d25f: 4c 89 cb mov %r9,%rbx
ffffffff8146d262: 48 89 95 60 ff ff ff mov %rdx,-0xa0(%rbp)
ffffffff8146d269: f3 aa rep stos %al,%es:(%rdi)
ffffffff8146d26b: 48 8d 85 78 ff ff ff lea -0x88(%rbp),%rax
ffffffff8146d272: 48 89 c7 mov %rax,%rdi
ffffffff8146d275: 48 89 85 68 ff ff ff mov %rax,-0x98(%rbp)
ffffffff8146d27c: e8 46 06 dc ff callq ffffffff8122d8c7 <sg_init_table>
ffffffff8146d281: 48 8b 95 60 ff ff ff mov -0xa0(%rbp),%rdx
ffffffff8146d288: 41 b9 00 00 00 80 mov $0x80000000,%r9d
ffffffff8146d28e: 48 8b 0d 7b cd 39 00 mov 0x39cd7b(%rip),%rcx # ffffffff8180a010 <phys_base>
ffffffff8146d295: 48 8b 85 68 ff ff ff mov -0x98(%rbp),%rax
ffffffff8146d29c: 4c 8b 85 58 ff ff ff mov -0xa8(%rbp),%r8
ffffffff8146d2a3: 0f b7 32 movzwl (%rdx),%esi
ffffffff8146d2a6: 48 83 c2 02 add $0x2,%rdx
ffffffff8146d2aa: 89 d7 mov %edx,%edi
ffffffff8146d2ac: 81 e7 ff 0f 00 00 and $0xfff,%edi
ffffffff8146d2b2: 66 c1 c6 08 rol $0x8,%si
ffffffff8146d2b6: 4c 01 ca add %r9,%rdx
ffffffff8146d2b9: 0f b7 f6 movzwl %si,%esi
ffffffff8146d2bc: 72 0a jb ffffffff8146d2c8 <ieee80211_aes_ccm_decrypt+0xdb>
ffffffff8146d2be: 48 b9 00 00 00 80 ff movabs $0x77ff80000000,%rcx
ffffffff8146d2c5: 77 00 00
ffffffff8146d2c8: 48 01 ca add %rcx,%rdx
ffffffff8146d2cb: 49 89 d1 mov %rdx,%r9
ffffffff8146d2ce: 48 89 d1 mov %rdx,%rcx
ffffffff8146d2d1: 48 c1 ea 23 shr $0x23,%rdx
ffffffff8146d2d5: 48 8b 14 d5 80 23 63 mov -0x7d9cdc80(,%rdx,8),%rdx
ffffffff8146d2dc: 82
ffffffff8146d2dd: 49 c1 e9 0c shr $0xc,%r9
ffffffff8146d2e1: 48 c1 e9 1b shr $0x1b,%rcx
ffffffff8146d2e5: 48 85 d2 test %rdx,%rdx
ffffffff8146d2e8: 74 0a je ffffffff8146d2f4 <ieee80211_aes_ccm_decrypt+0x107>
ffffffff8146d2ea: 0f b6 c9 movzbl %cl,%ecx
ffffffff8146d2ed: 48 c1 e1 04 shl $0x4,%rcx
ffffffff8146d2f1: 48 01 ca add %rcx,%rdx
ffffffff8146d2f4: 48 8b 12 mov (%rdx),%rdx
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ffffffff8146d2f7: 49 c1 e1 06 shl $0x6,%r9
ffffffff8146d2fb: b9 00 00 00 80 mov $0x80000000,%ecx
ffffffff8146d300: 89 7d 80 mov %edi,-0x80(%rbp)
ffffffff8146d303: 89 75 84 mov %esi,-0x7c(%rbp)
ffffffff8146d306: 48 8b 3d 03 cd 39 00 mov 0x39cd03(%rip),%rdi # ffffffff8180a010 <phys_base>
ffffffff8146d30d: 48 83 e2 fc and $0xfffffffffffffffc,%rdx
ffffffff8146d311: 49 01 d1 add %rdx,%r9
ffffffff8146d314: 48 8b 95 78 ff ff ff mov -0x88(%rbp),%rdx
-ss
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