From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Michel_D=c3=a4nzer?= Subject: KASAN use-after-free report during piglit run Date: Wed, 25 Oct 2017 17:43:29 +0200 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------44C07256B5455136B9575B03" Return-path: Content-Language: en-CA List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org This is a multi-part message in MIME format. --------------44C07256B5455136B9575B03 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit KASAN caught another use-after-free on my development machine today, see the attached dmesg excerpt. There haven't been any related changes in amd-staging-drm-next since yesterday, so maybe userspace is just tickling the kernel differently (e.g. piglit runs some more tests in parallel now). It's not reproducible every time, but it just happened a second time (with an amd-staging-drm-next commit from about a week ago). -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer --------------44C07256B5455136B9575B03 Content-Type: text/x-log; name="kern.log" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="kern.log" Oct 25 13:27:17 kaveri kernel: [ 1926.898181] =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D Oct 25 13:27:17 kaveri kernel: [ 1926.898198] BUG: KASAN: use-after-free = in reservation_object_wait_timeout_rcu+0xe02/0xe90 Oct 25 13:27:17 kaveri kernel: [ 1926.898204] Read of size 4 at addr ffff= 88000e02ca90 by task max-texture-siz/1607 Oct 25 13:27:17 kaveri kernel: [ 1926.898207]=20 Oct 25 13:27:17 kaveri kernel: [ 1926.898213] CPU: 11 PID: 1607 Comm: max= -texture-siz Tainted: G W O 4.13.0-rc5+ #29 Oct 25 13:27:17 kaveri kernel: [ 1926.898215] Hardware name: Micro-Star I= nternational Co., Ltd. MS-7A34/B350 TOMAHAWK (MS-7A34), BIOS 1.80 09/13/2= 017 Oct 25 13:27:17 kaveri kernel: [ 1926.898217] Call Trace: Oct 25 13:27:17 kaveri kernel: [ 1926.898223] dump_stack+0xb8/0x152 Oct 25 13:27:17 kaveri kernel: [ 1926.898226] ? dma_virt_map_sg+0x1fe/0x= 1fe Oct 25 13:27:17 kaveri kernel: [ 1926.898231] ? show_regs_print_info+0x6= 2/0x62 Oct 25 13:27:17 kaveri kernel: [ 1926.898236] print_address_description+= 0x6f/0x280 Oct 25 13:27:17 kaveri kernel: [ 1926.898238] kasan_report+0x27a/0x370 Oct 25 13:27:17 kaveri kernel: [ 1926.898241] ? reservation_object_wait_= timeout_rcu+0xe02/0xe90 Oct 25 13:27:17 kaveri kernel: [ 1926.898243] __asan_report_load4_noabor= t+0x19/0x20 Oct 25 13:27:17 kaveri kernel: [ 1926.898246] reservation_object_wait_ti= meout_rcu+0xe02/0xe90 Oct 25 13:27:17 kaveri kernel: [ 1926.898249] ? reservation_object_copy_= fences+0x1060/0x1060 Oct 25 13:27:17 kaveri kernel: [ 1926.898253] ? __pv_queued_spin_lock_sl= owpath+0x1360/0x1360 Oct 25 13:27:17 kaveri kernel: [ 1926.898265] ? drm_mm_scan_remove_block= +0x804/0xcf0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898274] ? drm_mm_scan_color_evict+= 0x827/0x9a0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898283] ? drm_mm_insert_node_in_ra= nge+0xb06/0x1190 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898289] ttm_bo_unref+0x1021/0x1c00= [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898293] ? ttm_bo_unref+0xdb0/0x1c0= 0 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898297] ? ttm_bo_add_to_lru+0x46c/= 0x12e0 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898300] ? kasan_kmalloc_large+0x9c= /0xd0 Oct 25 13:27:17 kaveri kernel: [ 1926.898324] ? amdgpu_fence_driver_init= +0x1d49/0x2d80 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898349] ? amdgpu_gtt_mgr_usage+0xf= 84/0x1220 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898353] ttm_bo_unmap_virtual_locke= d+0x3603/0x3840 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898377] ? amdgpu_gtt_mgr_usage+0xf= 84/0x1220 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898381] ? ttm_bo_unmap_virtual_loc= ked+0x33a0/0x3840 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898386] ttm_bo_mem_space+0x84e/0x1= 110 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898389] ? __shmem_file_setup+0x250= /0x520 Oct 25 13:27:17 kaveri kernel: [ 1926.898394] ttm_bo_validate+0x322/0x58= 0 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898397] ? unwind_dump+0x4e0/0x4e0 Oct 25 13:27:17 kaveri kernel: [ 1926.898401] ? ttm_bo_evict_mm+0xa0/0xa= 0 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898403] ? cpufreq_default_governor= +0x20/0x20 Oct 25 13:27:17 kaveri kernel: [ 1926.898413] ? drm_gem_prime_import+0x7= 00/0x9e0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898417] ttm_bo_init_reserved+0x9b6= /0x1300 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898422] ? ttm_bo_validate+0x580/0x= 580 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898424] ? dentry_path_raw+0x10/0x1= 0 Oct 25 13:27:17 kaveri kernel: [ 1926.898427] ? proc_nr_files+0x30/0x30 Oct 25 13:27:17 kaveri kernel: [ 1926.898429] ? shmem_get_inode+0x668/0x= 8f0 Oct 25 13:27:17 kaveri kernel: [ 1926.898432] ? shmem_fh_to_dentry+0x160= /0x160 Oct 25 13:27:17 kaveri kernel: [ 1926.898435] ? entry_SYSCALL_64_fastpat= h+0x1e/0xa9 Oct 25 13:27:17 kaveri kernel: [ 1926.898439] ? _copy_to_user+0x90/0x90 Oct 25 13:27:17 kaveri kernel: [ 1926.898443] ? alloc_file+0x16d/0x440 Oct 25 13:27:17 kaveri kernel: [ 1926.898445] ? __shmem_file_setup+0x2e0= /0x520 Oct 25 13:27:17 kaveri kernel: [ 1926.898448] ? mark_free_pages+0x3f0/0x= 3f0 Oct 25 13:27:17 kaveri kernel: [ 1926.898450] ? shmem_fill_super+0xa10/0= xa10 Oct 25 13:27:17 kaveri kernel: [ 1926.898459] ? drm_gem_private_object_i= nit+0x189/0x300 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898462] ? kasan_kmalloc+0xad/0xe0 Oct 25 13:27:17 kaveri kernel: [ 1926.898486] amdgpu_ttm_placement_from_= domain+0xe64/0x1cf0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898509] ? amdgpu_fill_buffer+0xb80= /0x1150 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898511] ? update_stack_state+0x402= /0x780 Oct 25 13:27:17 kaveri kernel: [ 1926.898535] ? amdgpu_ttm_placement_fro= m_domain+0x8d0/0x1cf0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898538] ? show_initstate+0xb0/0xb0= Oct 25 13:27:17 kaveri kernel: [ 1926.898541] ? bpf_prog_alloc+0x320/0x3= 20 Oct 25 13:27:17 kaveri kernel: [ 1926.898544] ? unwind_next_frame.part.5= +0x1bb/0xc90 Oct 25 13:27:17 kaveri kernel: [ 1926.898547] ? __free_insn_slot+0x6a0/0= x6a0 Oct 25 13:27:17 kaveri kernel: [ 1926.898549] ? unwind_dump+0x4e0/0x4e0 Oct 25 13:27:17 kaveri kernel: [ 1926.898552] ? rb_erase+0x3540/0x3540 Oct 25 13:27:17 kaveri kernel: [ 1926.898556] ? __mem_cgroup_threshold+0= x7b0/0x7b0 Oct 25 13:27:17 kaveri kernel: [ 1926.898558] ? memory_max_write+0x420/0= x420 Oct 25 13:27:17 kaveri kernel: [ 1926.898561] ? __kernel_text_address+0x= bf/0xf0 Oct 25 13:27:17 kaveri kernel: [ 1926.898563] ? unwind_get_return_addres= s+0x66/0xb0 Oct 25 13:27:17 kaveri kernel: [ 1926.898566] ? __save_stack_trace+0x92/= 0x100 Oct 25 13:27:17 kaveri kernel: [ 1926.898589] amdgpu_bo_create+0xba/0xa0= 0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898612] ? amdgpu_ttm_placement_fro= m_domain+0x1cf0/0x1cf0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898615] ? mem_cgroup_uncharge_swap= +0xc0/0xc0 Oct 25 13:27:17 kaveri kernel: [ 1926.898617] ? kmem_cache_alloc+0xb7/0x= 1c0 Oct 25 13:27:17 kaveri kernel: [ 1926.898620] ? __anon_vma_prepare+0x37a= /0x650 Oct 25 13:27:17 kaveri kernel: [ 1926.898622] ? __handle_mm_fault+0x31ac= /0x5070 Oct 25 13:27:17 kaveri kernel: [ 1926.898625] ? handle_mm_fault+0x292/0x= 800 Oct 25 13:27:17 kaveri kernel: [ 1926.898627] ? __do_page_fault+0x412/0x= a00 Oct 25 13:27:17 kaveri kernel: [ 1926.898629] ? do_page_fault+0x22/0x30 Oct 25 13:27:17 kaveri kernel: [ 1926.898631] ? page_fault+0x28/0x30 Oct 25 13:27:17 kaveri kernel: [ 1926.898633] ? memcg_oom_wake_function+= 0x6a0/0x6a0 Oct 25 13:27:17 kaveri kernel: [ 1926.898657] amdgpu_gem_object_create+0= x11f/0x240 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898682] ? amdgpu_gem_object_free+0= x1d0/0x1d0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898706] amdgpu_gem_create_ioctl+0x= 3bb/0xc10 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898731] ? amdgpu_gem_object_close+= 0x790/0x790 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898734] ? page_add_new_anon_rmap+0= x203/0x3d0 Oct 25 13:27:17 kaveri kernel: [ 1926.898737] ? __check_object_size+0x22= e/0x560 Oct 25 13:27:17 kaveri kernel: [ 1926.898760] ? amdgpu_gem_object_close+= 0x790/0x790 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898768] drm_ioctl_kernel+0x1ce/0x3= 50 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898777] ? drm_ioctl_permit+0x2c0/0= x2c0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898779] ? kasan_check_write+0x14/0= x20 Oct 25 13:27:17 kaveri kernel: [ 1926.898788] drm_ioctl+0x79a/0x17e0 [dr= m] Oct 25 13:27:17 kaveri kernel: [ 1926.898812] ? amdgpu_gem_object_close+= 0x790/0x790 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898821] ? drm_ioctl_kernel+0x350/0= x350 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898825] ? do_mmap+0x641/0x10f0 Oct 25 13:27:17 kaveri kernel: [ 1926.898848] amdgpu_drm_ioctl+0xd8/0x61= d0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898850] do_vfs_ioctl+0x197/0x1490 Oct 25 13:27:17 kaveri kernel: [ 1926.898853] ? vm_mmap_pgoff+0x1fe/0x2c= 0 Oct 25 13:27:17 kaveri kernel: [ 1926.898855] ? ioctl_preallocate+0x2c0/= 0x2c0 Oct 25 13:27:17 kaveri kernel: [ 1926.898858] ? __fget_light+0x2be/0x410= Oct 25 13:27:17 kaveri kernel: [ 1926.898860] ? iterate_fd+0x2e0/0x2e0 Oct 25 13:27:17 kaveri kernel: [ 1926.898862] ? handle_mm_fault+0x292/0x= 800 Oct 25 13:27:17 kaveri kernel: [ 1926.898865] ? __handle_mm_fault+0x5070= /0x5070 Oct 25 13:27:17 kaveri kernel: [ 1926.898868] ? __do_page_fault+0x43a/0x= a00 Oct 25 13:27:17 kaveri kernel: [ 1926.898871] SyS_ioctl+0x79/0x90 Oct 25 13:27:17 kaveri kernel: [ 1926.898874] entry_SYSCALL_64_fastpath+= 0x1e/0xa9 Oct 25 13:27:17 kaveri kernel: [ 1926.898876] RIP: 0033:0x7f56527b0dc7 Oct 25 13:27:17 kaveri kernel: [ 1926.898878] RSP: 002b:00007ffc20e89988 = EFLAGS: 00000246 ORIG_RAX: 0000000000000010 Oct 25 13:27:17 kaveri kernel: [ 1926.898881] RAX: ffffffffffffffda RBX: = 00007f5652a67b00 RCX: 00007f56527b0dc7 Oct 25 13:27:17 kaveri kernel: [ 1926.898883] RDX: 00007ffc20e899d0 RSI: = 00000000c0206440 RDI: 0000000000000006 Oct 25 13:27:17 kaveri kernel: [ 1926.898884] RBP: 0000000040000010 R08: = 00007f5652a67ca8 R09: 0000000000000060 Oct 25 13:27:17 kaveri kernel: [ 1926.898885] R10: 0000000000000004 R11: = 0000000000000246 R12: 0000000040001000 Oct 25 13:27:17 kaveri kernel: [ 1926.898887] R13: 00007f5652a67b58 R14: = 0000000000001000 R15: 00007f5652a67b00 Oct 25 13:27:17 kaveri kernel: [ 1926.898889]=20 Oct 25 13:27:17 kaveri kernel: [ 1926.898893] Allocated by task 24908: Oct 25 13:27:17 kaveri kernel: [ 1926.898897] save_stack_trace+0x1b/0x20= Oct 25 13:27:17 kaveri kernel: [ 1926.898899] save_stack+0x43/0xd0 Oct 25 13:27:17 kaveri kernel: [ 1926.898900] kasan_kmalloc+0xad/0xe0 Oct 25 13:27:17 kaveri kernel: [ 1926.898902] __kmalloc+0x105/0x230 Oct 25 13:27:17 kaveri kernel: [ 1926.898905] reservation_object_copy_fe= nces+0x1b9/0x1060 Oct 25 13:27:17 kaveri kernel: [ 1926.898908] ttm_bo_unref+0x3dd/0x1c00 = [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.898931] amdgpu_bo_unref+0xae/0x160= [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898953] amdgpu_gem_object_free+0x1= 33/0x1d0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.898961] drm_gem_object_free+0xdd/0= x2b0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898968] drm_gem_object_put_unlocke= d+0x9c/0x4f0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898976] drm_gem_object_put_unlocke= d+0x23f/0x4f0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898983] drm_gem_object_put_unlocke= d+0x44e/0x4f0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898991] drm_gem_handle_delete+0x5e= /0x90 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.898999] drm_gem_close_ioctl+0x91/0= xf0 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.899007] drm_ioctl_kernel+0x1ce/0x3= 50 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.899014] drm_ioctl+0x79a/0x17e0 [dr= m] Oct 25 13:27:17 kaveri kernel: [ 1926.899034] amdgpu_drm_ioctl+0xd8/0x61= d0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.899036] do_vfs_ioctl+0x197/0x1490 Oct 25 13:27:17 kaveri kernel: [ 1926.899037] SyS_ioctl+0x79/0x90 Oct 25 13:27:17 kaveri kernel: [ 1926.899040] entry_SYSCALL_64_fastpath+= 0x1e/0xa9 Oct 25 13:27:17 kaveri kernel: [ 1926.899040]=20 Oct 25 13:27:17 kaveri kernel: [ 1926.899042] Freed by task 24152: Oct 25 13:27:17 kaveri kernel: [ 1926.899045] save_stack_trace+0x1b/0x20= Oct 25 13:27:17 kaveri kernel: [ 1926.899047] save_stack+0x43/0xd0 Oct 25 13:27:17 kaveri kernel: [ 1926.899049] kasan_slab_free+0x72/0xc0 Oct 25 13:27:17 kaveri kernel: [ 1926.899051] kfree+0x94/0x1a0 Oct 25 13:27:17 kaveri kernel: [ 1926.899054] ttm_bo_unref+0x12c7/0x1c00= [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.899057] ttm_bo_unmap_virtual_locke= d+0x3603/0x3840 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.899060] ttm_bo_mem_space+0x84e/0x1= 110 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.899064] ttm_bo_validate+0x322/0x58= 0 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.899067] ttm_bo_init_reserved+0x9b6= /0x1300 [ttm] Oct 25 13:27:17 kaveri kernel: [ 1926.899089] amdgpu_ttm_placement_from_= domain+0xe64/0x1cf0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.899110] amdgpu_bo_create+0xba/0xa0= 0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.899133] amdgpu_gem_object_create+0= x11f/0x240 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.899156] amdgpu_gem_create_ioctl+0x= 3bb/0xc10 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.899164] drm_ioctl_kernel+0x1ce/0x3= 50 [drm] Oct 25 13:27:17 kaveri kernel: [ 1926.899172] drm_ioctl+0x79a/0x17e0 [dr= m] Oct 25 13:27:17 kaveri kernel: [ 1926.899191] amdgpu_drm_ioctl+0xd8/0x61= d0 [amdgpu] Oct 25 13:27:17 kaveri kernel: [ 1926.899193] do_vfs_ioctl+0x197/0x1490 Oct 25 13:27:17 kaveri kernel: [ 1926.899195] SyS_ioctl+0x79/0x90 Oct 25 13:27:17 kaveri kernel: [ 1926.899197] entry_SYSCALL_64_fastpath+= 0x1e/0xa9 Oct 25 13:27:17 kaveri kernel: [ 1926.899197]=20 Oct 25 13:27:17 kaveri kernel: [ 1926.899201] The buggy address belongs t= o the object at ffff88000e02ca80 Oct 25 13:27:17 kaveri kernel: [ 1926.899201] which belongs to the cache= kmalloc-64 of size 64 Oct 25 13:27:17 kaveri kernel: [ 1926.899206] The buggy address is locate= d 16 bytes inside of Oct 25 13:27:17 kaveri kernel: [ 1926.899206] 64-byte region [ffff88000e= 02ca80, ffff88000e02cac0) Oct 25 13:27:17 kaveri kernel: [ 1926.899209] The buggy address belongs t= o the page: Oct 25 13:27:17 kaveri kernel: [ 1926.899212] page:ffffea0000380b00 count= :1 mapcount:0 mapping: (null) index:0x0 Oct 25 13:27:17 kaveri kernel: [ 1926.899216] flags: 0xffffc000000100(sla= b) Oct 25 13:27:17 kaveri kernel: [ 1926.899221] raw: 00ffffc000000100 00000= 00000000000 0000000000000000 00000001002a002a Oct 25 13:27:17 kaveri kernel: [ 1926.899225] raw: ffffea00042e1700 00000= 01300000013 ffff8803ae00f640 0000000000000000 Oct 25 13:27:17 kaveri kernel: [ 1926.899228] page dumped because: kasan:= bad access detected Oct 25 13:27:17 kaveri kernel: [ 1926.899229]=20 Oct 25 13:27:17 kaveri kernel: [ 1926.899231] Memory state around the bug= gy address: Oct 25 13:27:17 kaveri kernel: [ 1926.899234] ffff88000e02c980: 00 00 00= fc fc fc fc fc 00 00 00 00 00 00 00 fc Oct 25 13:27:17 kaveri kernel: [ 1926.899237] ffff88000e02ca00: fc fc fc= fc 00 00 00 00 00 00 00 fc fc fc fc fc Oct 25 13:27:17 kaveri kernel: [ 1926.899240] >ffff88000e02ca80: fb fb fb= fb fb fb fb fb fc fc fc fc 00 00 00 00 Oct 25 13:27:17 kaveri kernel: [ 1926.899242] ^ Oct 25 13:27:17 kaveri kernel: [ 1926.899244] ffff88000e02cb00: 00 00 00= fc fc fc fc fc 00 00 00 00 00 00 00 fc Oct 25 13:27:17 kaveri kernel: [ 1926.899247] ffff88000e02cb80: fc fc fc= fc 00 00 00 00 00 00 00 fc fc fc fc fc Oct 25 13:27:17 kaveri kernel: [ 1926.899249] =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D --------------44C07256B5455136B9575B03 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBt YWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg== --------------44C07256B5455136B9575B03--