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  1. [ 2389.513944] ==================================================================
  2. [ 2389.513959] BUG: KASAN: slab-out-of-bounds in memset+0x1a/0x30 at addr ffff880097f4f440
  3. [ 2389.513965] Write of size 128 by task modprobe/2281
  4. [ 2389.513969] =============================================================================
  5. [ 2389.513975] BUG kmalloc-128 (Not tainted): kasan: bad access detected
  6. [ 2389.513979] -----------------------------------------------------------------------------
  7.  
  8. [ 2389.513983] Disabling lock debugging due to kernel taint
  9. [ 2389.513992] INFO: Allocated in __d_alloc+0x55e/0x7e0 age=38661 cpu=3 pid=2195
  10. [ 2389.513997] ___slab_alloc+0x4e2/0x500
  11. [ 2389.514002] __slab_alloc+0x43/0x70
  12. [ 2389.514006] __kmalloc+0x17f/0x1e0
  13. [ 2389.514011] __d_alloc+0x55e/0x7e0
  14. [ 2389.514015] d_alloc+0x47/0x230
  15. [ 2389.514021] lookup_dcache+0x10f/0x1b0
  16. [ 2389.514026] __lookup_hash+0x6b/0xe0
  17. [ 2389.514031] walk_component+0x646/0xea0
  18. [ 2389.514036] path_lookupat+0x135/0x410
  19. [ 2389.514041] filename_lookup+0x16b/0x350
  20. [ 2389.514046] user_path_at_empty+0x36/0x40
  21. [ 2389.514051] vfs_fstatat+0x99/0x100
  22. [ 2389.514055] SYSC_newlstat+0x77/0xc0
  23. [ 2389.514060] SyS_newlstat+0xe/0x10
  24. [ 2389.514067] entry_SYSCALL_64_fastpath+0x12/0x6f
  25. [ 2389.514074] INFO: Freed in free_rb_tree_fname+0x6e/0xc0 age=38921 cpu=2 pid=2195
  26. [ 2389.514078] __slab_free+0x175/0x2c0
  27. [ 2389.514083] kfree+0x194/0x1b0
  28. [ 2389.514087] free_rb_tree_fname+0x6e/0xc0
  29. [ 2389.514091] ext4_release_dir+0x40/0x60
  30. [ 2389.514096] __fput+0x1fc/0x6c0
  31. [ 2389.514101] ____fput+0xe/0x10
  32. [ 2389.514107] task_work_run+0x133/0x1f0
  33. [ 2389.514113] exit_to_usermode_loop+0x140/0x170
  34. [ 2389.514118] syscall_return_slowpath+0x156/0x1b0
  35. [ 2389.514123] int_ret_from_sys_call+0x25/0x9f
  36. [ 2389.514129] INFO: Slab 0xffffea00025fd380 objects=18 used=18 fp=0x (null) flags=0x100000000004080
  37. [ 2389.514134] INFO: Object 0xffff880097f4f440 @offset=5184 fp=0x0000000000000001
  38.  
  39. [ 2389.514142] Bytes b4 ffff880097f4f430: 00 00 00 00 63 04 00 00 36 18 ff ff 00 00 00 00 ....c...6.......
  40. [ 2389.514147] Object ffff880097f4f440: 01 00 00 00 00 00 00 00 29 0a 58 f1 01 88 ff ff ........).X.....
  41. [ 2389.514152] Object ffff880097f4f450: 73 79 73 74 65 6d 64 2d 70 72 69 76 61 74 65 2d systemd-private-
  42. [ 2389.514157] Object ffff880097f4f460: 37 35 62 38 62 63 36 30 38 34 38 31 34 37 36 65 75b8bc608481476e
  43. [ 2389.514162] Object ffff880097f4f470: 61 39 37 66 30 65 31 30 64 34 36 30 37 62 63 66 a97f0e10d4607bcf
  44. [ 2389.514166] Object ffff880097f4f480: 2d 73 79 73 74 65 6d 64 2d 74 69 6d 65 73 79 6e -systemd-timesyn
  45. [ 2389.514171] Object ffff880097f4f490: 63 64 2e 73 65 72 76 69 63 65 2d 50 47 35 46 66 cd.service-PG5Ff
  46. [ 2389.514175] Object ffff880097f4f4a0: 4f 00 6f 72 64 2e 73 65 72 76 69 63 65 2d 4a 54 O.ord.service-JT
  47. [ 2389.514180] Object ffff880097f4f4b0: 41 75 4c 66 00 00 00 00 00 00 00 00 00 00 00 00 AuLf............
  48. [ 2389.514188] CPU: 2 PID: 2281 Comm: modprobe Tainted: G B 4.5.0-rc3+ #1
  49. [ 2389.514193] Hardware name: Hewlett-Packard HP ProBook 6475b/180F, BIOS 68TTU Ver. F.04 08/03/2012
  50. [ 2389.514198] ffff880097f4e000 ffff880088e4f0d8 ffffffff81ad5723 ffff8801fa403800
  51. [ 2389.514207] ffff880097f4f440 ffff880088e4f108 ffffffff81520889 ffff8801fa403800
  52. [ 2389.514215] ffffea00025fd380 ffff880097f4f440 0000000000000000 ffff880088e4f130
  53. [ 2389.514223] Call Trace:
  54. [ 2389.514231] [<ffffffff81ad5723>] dump_stack+0x67/0x94
  55. [ 2389.514237] [<ffffffff81520889>] print_trailer+0xf9/0x150
  56. [ 2389.514242] [<ffffffff815260a4>] object_err+0x34/0x40
  57. [ 2389.514248] [<ffffffff81528581>] kasan_report_error+0x221/0x530
  58. [ 2389.514255] [<ffffffff81528c89>] kasan_report+0x39/0x40
  59. [ 2389.514260] [<ffffffff81527daa>] ? memset+0x1a/0x30
  60. [ 2389.514266] [<ffffffff81527a5d>] __asan_storeN+0x12d/0x180
  61. [ 2389.514271] [<ffffffff81527daa>] memset+0x1a/0x30
  62. [ 2389.514277] [<ffffffff81ad9811>] ida_get_new_above+0x1e1/0x430
  63. [ 2389.514283] [<ffffffff81ad9ae3>] ? ida_pre_get+0x83/0x250
  64. [ 2389.514289] [<ffffffff81ad9630>] ? idr_alloc_cyclic+0xf0/0xf0
  65. [ 2389.514298] [<ffffffff82294f0b>] media_device_register_entity+0x1db/0x700
  66. [ 2389.514304] [<ffffffff82294d30>] ? media_device_release_devres+0x10/0x10
  67. [ 2389.514311] [<ffffffff81202718>] ? mark_held_locks+0xc8/0x120
  68. [ 2389.514317] [<ffffffff8290093d>] ? __mutex_unlock_slowpath+0x1ad/0x330
  69. [ 2389.514323] [<ffffffff81202d4d>] ? trace_hardirqs_on+0xd/0x10
  70. [ 2389.514329] [<ffffffff82900ace>] ? mutex_unlock+0xe/0x10
  71. [ 2389.514335] [<ffffffff822ccfd8>] ? v4l2_ctrl_add_handler+0x1d8/0x270
  72. [ 2389.514342] [<ffffffff822b5745>] v4l2_device_register_subdev+0x235/0x5d0
  73. [ 2389.514349] [<ffffffff812a7f03>] ? try_module_get+0xc3/0x1b0
  74. [ 2389.514355] [<ffffffff822dcffa>] v4l2_i2c_new_subdev_board+0x12a/0x250
  75. [ 2389.514361] [<ffffffff822dd1de>] v4l2_i2c_new_subdev+0xbe/0xe0
  76. [ 2389.514366] [<ffffffff822dd120>] ? v4l2_i2c_new_subdev_board+0x250/0x250
  77. [ 2389.514381] [<ffffffffa1003e96>] au0828_card_analog_fe_setup+0x2e6/0x3f0 [au0828]
  78. [ 2389.514389] [<ffffffff814276f7>] ? power_down+0xc4/0xc4
  79. [ 2389.514400] [<ffffffffa1003bb0>] ? au0828_tuner_callback+0x160/0x160 [au0828]
  80. [ 2389.514413] [<ffffffffa10040bf>] au0828_card_setup+0x11f/0x340 [au0828]
  81. [ 2389.514424] [<ffffffffa1003fa0>] ? au0828_card_analog_fe_setup+0x3f0/0x3f0 [au0828]
  82. [ 2389.514431] [<ffffffff81267dad>] ? msleep+0x4d/0x70
  83. [ 2389.514441] [<ffffffffa1001d58>] au0828_usb_probe+0x418/0x9d0 [au0828]
  84. [ 2389.514449] [<ffffffff82110c9d>] usb_probe_interface+0x45d/0x940
  85. [ 2389.514457] [<ffffffff81e9a6d1>] driver_probe_device+0x201/0xc20
  86. [ 2389.514463] [<ffffffff81e9b0f0>] ? driver_probe_device+0xc20/0xc20
  87. [ 2389.514468] [<ffffffff81e9b211>] __driver_attach+0x121/0x160
  88. [ 2389.514474] [<ffffffff81e94a3f>] bus_for_each_dev+0x11f/0x1a0
  89. [ 2389.514479] [<ffffffff81e94920>] ? subsys_dev_iter_exit+0x10/0x10
  90. [ 2389.514485] [<ffffffff82905247>] ? _raw_spin_unlock+0x27/0x30
  91. [ 2389.514492] [<ffffffff81e9954d>] driver_attach+0x3d/0x50
  92. [ 2389.514497] [<ffffffff81e98679>] bus_add_driver+0x4c9/0x770
  93. [ 2389.514504] [<ffffffff81e9c94c>] driver_register+0x18c/0x3b0
  94. [ 2389.514509] [<ffffffff81213d52>] ? __raw_spin_lock_init+0x32/0x100
  95. [ 2389.514516] [<ffffffff8210c0f8>] usb_register_driver+0x1f8/0x440
  96. [ 2389.514522] [<ffffffffa0fc8000>] ? 0xffffffffa0fc8000
  97. [ 2389.514532] [<ffffffffa0fc80b7>] au0828_init+0xb7/0x1000 [au0828]
  98. [ 2389.514539] [<ffffffff8100045b>] do_one_initcall+0x12b/0x2c0
  99. [ 2389.514545] [<ffffffff81000330>] ? try_to_run_init_process+0x40/0x40
  100. [ 2389.514551] [<ffffffff81527c66>] ? kasan_unpoison_shadow+0x36/0x50
  101. [ 2389.514557] [<ffffffff81527c66>] ? kasan_unpoison_shadow+0x36/0x50
  102. [ 2389.514562] [<ffffffff81527c66>] ? kasan_unpoison_shadow+0x36/0x50
  103. [ 2389.514568] [<ffffffff81527d77>] ? __asan_register_globals+0x87/0xa0
  104. [ 2389.514575] [<ffffffff81427bae>] do_init_module+0x1d0/0x5ad
  105. [ 2389.514582] [<ffffffff812b5396>] load_module+0x6816/0x9760
  106. [ 2389.514588] [<ffffffff812aa640>] ? __symbol_put+0x90/0x90
  107. [ 2389.514600] [<ffffffff812aeb80>] ? module_frob_arch_sections+0x20/0x20
  108. [ 2389.514606] [<ffffffff8156ccf0>] ? open_exec+0x50/0x50
  109. [ 2389.514612] [<ffffffff812aab90>] ? resolve_symbol.isra.53+0x250/0x250
  110. [ 2389.514619] [<ffffffff8112aabb>] ? ns_capable+0x5b/0xd0
  111. [ 2389.514625] [<ffffffff812b85c8>] SyS_finit_module+0x108/0x130
  112. [ 2389.514631] [<ffffffff812b84c0>] ? SyS_init_module+0x1e0/0x1e0
  113. [ 2389.514637] [<ffffffff81003044>] ? lockdep_sys_exit_thunk+0x12/0x14
  114. [ 2389.514644] [<ffffffff82905a97>] entry_SYSCALL_64_fastpath+0x12/0x6f
  115. [ 2389.514648] Memory state around the buggy address:
  116. [ 2389.514653] ffff880097f4f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
  117. [ 2389.514658] ffff880097f4f400: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
  118. [ 2389.514662] >ffff880097f4f480: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
  119. [ 2389.514666] ^
  120. [ 2389.514671] ffff880097f4f500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
  121. [ 2389.514675] ffff880097f4f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc 00 00
  122. [ 2389.514679] ==================================================================
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