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cruisek
Jan 9th, 2022
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  1. [ 539.097840][ T59] INFO: task kworker/u16:3:9594 blocked for more than 143 seconds.
  2. [ 539.099117][ T59] Not tainted 5.16.0-rc8+ #10
  3. [ 539.099887][ T59] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  4. [ 539.107051][ T59] task:kworker/u16:3 state:D stack:27224 pid: 9594 ppid: 2 flags:0x00004000
  5. [ 539.122779][ T59] Workqueue: floppy floppy_work_workfn
  6. [ 539.123706][ T59] Call Trace:
  7. [ 539.124162][ T59] <TASK>
  8. [ 539.124601][ T59] __schedule+0xcd9/0x2550
  9. [ 539.125252][ T59] ? io_schedule_timeout+0x150/0x150
  10. [ 539.152215][ T59] ? lock_chain_count+0x20/0x20
  11. [ 539.153179][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40
  12. [ 539.154135][ T59] schedule+0xd2/0x260
  13. [ 539.154868][ T59] schedule_timeout+0x5e5/0x890
  14. [ 539.155693][ T59] ? rcu_read_lock_bh_held+0xb0/0xb0
  15. [ 539.156610][ T59] ? usleep_range_state+0x1b0/0x1b0
  16. [ 539.157458][ T59] ? wait_for_completion+0x173/0x280
  17. [ 539.158336][ T59] ? mark_held_locks+0x9f/0xe0
  18. [ 539.175593][ T59] ? rwlock_bug.part.0+0x90/0x90
  19. [ 539.176437][ T59] ? _raw_spin_unlock_irq+0x1f/0x40
  20. [ 539.208451][ T59] wait_for_completion+0x17b/0x280
  21. [ 539.209221][ T59] ? __flush_work+0x53e/0xb10
  22. [ 539.209838][ T59] ? wait_for_completion_interruptible+0x340/0x340
  23. [ 539.210872][ T59] ? _raw_spin_unlock_irq+0x1f/0x40
  24. [ 539.211612][ T59] __flush_work+0x56c/0xb10
  25. [ 539.212609][ T59] ? queue_delayed_work_on+0x120/0x120
  26. [ 539.213849][ T59] ? flush_workqueue_prep_pwqs+0x4f0/0x4f0
  27. [ 539.216255][ T59] ? mark_held_locks+0x9f/0xe0
  28. [ 539.222854][ T59] __cancel_work_timer+0x370/0x4b0
  29. [ 539.224332][ T59] ? mod_delayed_work_on+0x1a0/0x1a0
  30. [ 539.225890][ T59] ? _printk+0xba/0xed
  31. [ 539.227032][ T59] ? record_print_text.cold+0x16/0x16
  32. [ 539.229436][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40
  33. [ 539.230366][ T59] ? vdma_get_dma_residue+0x20/0x20
  34. [ 539.231279][ T59] fd_watchdog.cold+0x3b/0x8f
  35. [ 539.232106][ T59] setup_rw_floppy+0x6f1/0x9f0
  36. [ 539.232975][ T59] floppy_ready+0x425/0x19b0
  37. [ 539.233831][ T59] recal_interrupt+0xd9/0x610
  38. [ 539.236846][ T59] process_one_work+0x9df/0x16a0
  39. [ 539.237680][ T59] ? pwq_dec_nr_in_flight+0x2d0/0x2d0
  40. [ 539.238740][ T59] ? rwlock_bug.part.0+0x90/0x90
  41. [ 539.239539][ T59] ? _raw_spin_lock_irq+0x41/0x50
  42. [ 539.241456][ T59] worker_thread+0x90/0xe20
  43. [ 539.242517][ T59] ? process_one_work+0x16a0/0x16a0
  44. [ 539.243435][ T59] kthread+0x405/0x4f0
  45. [ 539.244190][ T59] ? set_kthread_struct+0x130/0x130
  46. [ 539.245043][ T59] ret_from_fork+0x1f/0x30
  47. [ 539.245990][ T59] </TASK>
  48. [ 539.248439][ T59] INFO: task syz-executor.0:21342 blocked for more than 143 seconds.
  49. [ 539.250174][ T59] Not tainted 5.16.0-rc8+ #10
  50. [ 539.251009][ T59] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  51. [ 539.253475][ T59] task:syz-executor.0 state:D stack:27920 pid:21342 ppid: 6935 flags:0x00000004
  52. [ 539.254950][ T59] Call Trace:
  53. [ 539.255496][ T59] <TASK>
  54. [ 539.256167][ T59] __schedule+0xcd9/0x2550
  55. [ 539.257449][ T59] ? io_schedule_timeout+0x150/0x150
  56. [ 539.258515][ T59] schedule+0xd2/0x260
  57. [ 539.259490][ T59] schedule_preempt_disabled+0xf/0x20
  58. [ 539.260526][ T59] __mutex_lock+0xc48/0x1610
  59. [ 539.261444][ T59] ? floppy_release+0x43/0x1c0
  60. [ 539.262432][ T59] ? lock_release+0x42b/0x670
  61. [ 539.263380][ T59] ? mutex_lock_io_nested+0x1410/0x1410
  62. [ 539.264461][ T59] ? mark_held_locks+0x9f/0xe0
  63. [ 539.265253][ T59] ? rwlock_bug.part.0+0x90/0x90
  64. [ 539.266798][ T59] ? floppy_release+0x43/0x1c0
  65. [ 539.267590][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40
  66. [ 539.269362][ T59] floppy_release+0x43/0x1c0
  67. [ 539.270191][ T59] ? floppy_cmos_show+0xa0/0xa0
  68. [ 539.271082][ T59] blkdev_put_whole+0xd2/0x110
  69. [ 539.271955][ T59] blkdev_put+0x296/0x710
  70. [ 539.272668][ T59] blkdev_close+0x6a/0x80
  71. [ 539.273374][ T59] __fput+0x286/0x9f0
  72. [ 539.274024][ T59] ? blkdev_fsync+0xa0/0xa0
  73. [ 539.274848][ T59] task_work_run+0xe0/0x1a0
  74. [ 539.275601][ T59] exit_to_user_mode_prepare+0x28d/0x2a0
  75. [ 539.276662][ T59] syscall_exit_to_user_mode+0x19/0x60
  76. [ 539.277541][ T59] do_syscall_64+0x42/0xb0
  77. [ 539.278251][ T59] entry_SYSCALL_64_after_hwframe+0x44/0xae
  78. [ 539.279362][ T59] RIP: 0033:0x7f196095b14b
  79. [ 539.280068][ T59] RSP: 002b:00007ffd4516c600 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
  80. [ 539.281392][ T59] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f196095b14b
  81. [ 539.282743][ T59] RDX: 00007f1960acf5f8 RSI: 0000000000000001 RDI: 0000000000000004
  82. [ 539.283980][ T59] RBP: 00007f1960acc96c R08: 0000000000000000 R09: 00007f1960acf600
  83. [ 539.285207][ T59] R10: 00007ffd4516c730 R11: 0000000000000293 R12: 000000000005c797
  84. [ 539.286636][ T59] R13: 00007ffd4516c740 R14: 00007f1960acaf6c R15: 000000000005c7c9
  85. [ 539.288013][ T59] </TASK>
  86. [ 539.288509][ T59] INFO: task syz-executor.7:21344 blocked for more than 143 seconds.
  87. [ 539.289756][ T59] Not tainted 5.16.0-rc8+ #10
  88. [ 539.290710][ T59] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  89. [ 539.292033][ T59] task:syz-executor.7 state:D stack:27920 pid:21344 ppid: 6934 flags:0x00000004
  90. [ 539.293469][ T59] Call Trace:
  91. [ 539.293990][ T59] <TASK>
  92. [ 539.294571][ T59] __schedule+0xcd9/0x2550
  93. [ 539.295308][ T59] ? io_schedule_timeout+0x150/0x150
  94. [ 539.298539][ T59] schedule+0xd2/0x260
  95. [ 539.299248][ T59] schedule_preempt_disabled+0xf/0x20
  96. [ 539.300120][ T59] __mutex_lock+0xc48/0x1610
  97. [ 539.300914][ T59] ? blkdev_put+0xa6/0x710
  98. [ 539.301753][ T59] ? mutex_lock_io_nested+0x1410/0x1410
  99. [ 539.302675][ T59] ? lock_downgrade+0x690/0x690
  100. [ 539.303477][ T59] ? do_raw_spin_unlock+0x171/0x260
  101. [ 539.304318][ T59] ? blkdev_put+0xa6/0x710
  102. [ 539.305039][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40
  103. [ 539.306464][ T59] blkdev_put+0xa6/0x710
  104. [ 539.307204][ T59] blkdev_close+0x6a/0x80
  105. [ 539.307935][ T59] __fput+0x286/0x9f0
  106. [ 539.308605][ T59] ? blkdev_fsync+0xa0/0xa0
  107. [ 539.309346][ T59] task_work_run+0xe0/0x1a0
  108. [ 539.310090][ T59] exit_to_user_mode_prepare+0x28d/0x2a0
  109. [ 539.311521][ T59] syscall_exit_to_user_mode+0x19/0x60
  110. [ 539.312400][ T59] do_syscall_64+0x42/0xb0
  111. [ 539.313118][ T59] entry_SYSCALL_64_after_hwframe+0x44/0xae
  112. [ 539.314069][ T59] RIP: 0033:0x7f740523814b
  113. [ 539.314814][ T59] RSP: 002b:00007ffcaa72e410 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
  114. [ 539.319954][ T59] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f740523814b
  115. [ 539.321224][ T59] RDX: 0000001b2c820000 RSI: 0000000000000000 RDI: 0000000000000003
  116. [ 539.322627][ T59] RBP: 00007f74053a9960 R08: 0000000000000000 R09: 00007ffcaa780090
  117. [ 539.323864][ T59] R10: 000000000000edfc R11: 0000000000000293 R12: 000000000005ca89
  118. [ 539.325098][ T59] R13: 00007ffcaa72e550 R14: 00007f74053a810c R15: 000000000005c7d7
  119. [ 539.328902][ T59] </TASK>
  120. [ 539.329429][ T59] INFO: task syz-executor.7:21347 blocked for more than 143 seconds.
  121. [ 539.330747][ T59] Not tainted 5.16.0-rc8+ #10
  122. [ 539.331572][ T59] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  123. [ 539.332878][ T59] task:syz-executor.7 state:D stack:28384 pid:21347 ppid: 6934 flags:0x00004004
  124. [ 539.334297][ T59] Call Trace:
  125. [ 539.334870][ T59] <TASK>
  126. [ 539.335343][ T59] __schedule+0xcd9/0x2550
  127. [ 539.336627][ T59] ? io_schedule_timeout+0x150/0x150
  128. [ 539.337473][ T59] ? _raw_spin_unlock_irqrestore+0x50/0x70
  129. [ 539.338538][ T59] ? lockdep_hardirqs_on+0x79/0x100
  130. [ 539.339389][ T59] ? _raw_spin_unlock_irqrestore+0x3d/0x70
  131. [ 539.340303][ T59] schedule+0xd2/0x260
  132. [ 539.340952][ T59] __cancel_work_timer+0x44a/0x4b0
  133. [ 539.341772][ T59] ? mod_delayed_work_on+0x1a0/0x1a0
  134. [ 539.342712][ T59] ? mark_held_locks+0x9f/0xe0
  135. [ 539.343493][ T59] ? get_work_pool+0x1a0/0x1a0
  136. [ 539.344259][ T59] ? _raw_spin_unlock_irqrestore+0x3d/0x70
  137. [ 539.345176][ T59] ? prepare_to_wait_event+0xc6/0x680
  138. [ 539.346203][ T59] wait_til_done+0x340/0x370
  139. [ 539.347036][ T59] ? fd_wait_for_completion+0x170/0x170
  140. [ 539.347931][ T59] ? finish_wait+0x270/0x270
  141. [ 539.348676][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40
  142. [ 539.349565][ T59] ? alloc_pages+0x11d/0x240
  143. [ 539.350318][ T59] fd_locked_ioctl+0x19ec/0x23d0
  144. [ 539.351223][ T59] ? redo_fd_request+0x27f0/0x27f0
  145. [ 539.352067][ T59] ? find_held_lock+0x2d/0x110
  146. [ 539.352839][ T59] ? fd_locked_ioctl+0x23d0/0x23d0
  147. [ 539.353666][ T59] ? fd_locked_ioctl+0x23d0/0x23d0
  148. [ 539.354623][ T59] fd_ioctl+0x35/0x50
  149. [ 539.355282][ T59] blkdev_ioctl+0x37a/0x800
  150. [ 539.356124][ T59] ? blkdev_common_ioctl+0x1930/0x1930
  151. [ 539.356998][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40
  152. [ 539.357882][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40
  153. [ 539.358907][ T59] ? blkdev_common_ioctl+0x1930/0x1930
  154. [ 539.359788][ T59] __x64_sys_ioctl+0x193/0x200
  155. [ 539.360556][ T59] do_syscall_64+0x35/0xb0
  156. [ 539.361277][ T59] entry_SYSCALL_64_after_hwframe+0x44/0xae
  157. [ 539.362214][ T59] RIP: 0033:0x7f740528889d
  158. [ 539.363051][ T59] RSP: 002b:00007f7403bf9c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
  159. [ 539.364371][ T59] RAX: ffffffffffffffda RBX: 00007f74053a7f60 RCX: 00007f740528889d
  160. [ 539.365611][ T59] RDX: 0000000020000100 RSI: 0000000000000258 RDI: 0000000000000005
  161. [ 539.375936][ T59] RBP: 00007f74052f500d R08: 0000000000000000 R09: 0000000000000000
  162. [ 539.377214][ T59] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
  163. [ 539.378545][ T59] R13: 00007ffcaa72e3af R14: 00007f74053a7f60 R15: 00007f7403bf9dc0
  164. [ 539.379838][ T59] </TASK>
  165. [ 539.380409][ T59] INFO: task syz-executor.2:21480 blocked for more than 143 seconds.
  166. [ 539.381672][ T59] Not tainted 5.16.0-rc8+ #10
  167. [ 539.382545][ T59] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  168. [ 539.383892][ T59] task:syz-executor.2 state:D stack:27920 pid:21480 ppid: 6932 flags:0x00000004
  169. [ 539.385337][ T59] Call Trace:
  170. [ 539.385929][ T59] <TASK>
  171. [ 539.386413][ T59] __schedule+0xcd9/0x2550
  172. [ 539.387321][ T59] ? io_schedule_timeout+0x150/0x150
  173. [ 539.388194][ T59] schedule+0xd2/0x260
  174. [ 539.388864][ T59] schedule_preempt_disabled+0xf/0x20
  175. [ 539.389721][ T59] __mutex_lock+0xc48/0x1610
  176. [ 539.390559][ T59] ? blkdev_get_by_dev+0x23b/0xa80
  177. [ 539.391388][ T59] ? mutex_lock_io_nested+0x1410/0x1410
  178. [ 539.392294][ T59] ? mark_held_locks+0x9f/0xe0
  179. [ 539.393084][ T59] ? blkdev_get_by_dev+0x23b/0xa80
  180. [ 539.393894][ T59] blkdev_get_by_dev+0x23b/0xa80
  181. [ 539.394791][ T59] blkdev_open+0x154/0x2e0
  182. [ 539.395509][ T59] do_dentry_open+0x4b9/0x1240
  183. [ 539.396430][ T59] ? blkdev_close+0x80/0x80
  184. [ 539.397184][ T59] path_openat+0x1c3c/0x26c0
  185. [ 539.397947][ T59] ? path_lookupat.isra.0+0x580/0x580
  186. [ 539.398941][ T59] do_filp_open+0x1c1/0x290
  187. [ 539.399678][ T59] ? may_open_dev+0xf0/0xf0
  188. [ 539.400414][ T59] ? do_raw_spin_lock+0x120/0x2d0
  189. [ 539.401222][ T59] ? rwlock_bug.part.0+0x90/0x90
  190. [ 539.402008][ T59] ? __phys_addr_symbol+0x2c/0x70
  191. [ 539.402971][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40
  192. [ 539.403866][ T59] ? _find_next_bit+0x1e3/0x260
  193. [ 539.404652][ T59] ? _raw_spin_unlock+0x24/0x40
  194. [ 539.405431][ T59] ? alloc_fd+0x4bd/0x660
  195. [ 539.406205][ T59] do_sys_openat2+0x61b/0x9a0
  196. [ 539.407120][ T59] ? rcu_read_lock_any_held.part.0+0x4/0x10
  197. [ 539.408074][ T59] ? file_open_root+0x430/0x430
  198. [ 539.408881][ T59] do_sys_open+0xc3/0x140
  199. [ 539.409597][ T59] ? filp_open+0x70/0x70
  200. [ 539.410308][ T59] ? syscall_enter_from_user_mode+0x21/0x70
  201. [ 539.411316][ T59] do_syscall_64+0x35/0xb0
  202. [ 539.412031][ T59] entry_SYSCALL_64_after_hwframe+0x44/0xae
  203. [ 539.412967][ T59] RIP: 0033:0x7f3dcea8f434
  204. [ 539.413670][ T59] RSP: 002b:00007f3dcd42f750 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
  205. [ 539.415112][ T59] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f3dcea8f434
  206. [ 539.416549][ T59] RDX: 0000000000000c00 RSI: 00007f3dcd42f7f0 RDI: 00000000ffffff9c
  207. [ 539.417807][ T59] RBP: 00007f3dcd42f7f0 R08: 0000000000000000 R09: 0000000000000000
  208. [ 539.419196][ T59] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000c00
  209. [ 539.420434][ T59] R13: 00007ffe9ca1c26f R14: 00007f3dcebff030 R15: 00007f3dcd42fdc0
  210. [ 539.421692][ T59] </TASK>
  211. [ 539.422191][ T59]
  212. [ 539.422191][ T59] Showing all locks held in the system:
  213. [ 539.423542][ T59] 1 lock held by khungtaskd/59:
  214. [ 539.424314][ T59] #0: ffffffff8bb80ee0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
  215. [ 539.429845][ T59] 1 lock held by in:imklog/6782:
  216. [ 539.430680][ T59] #0: ffff88801c992670 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100
  217. [ 539.432216][ T59] 2 locks held by kworker/u16:3/9594:
  218. [ 539.433076][ T59] #0: ffff88810505b138 ((wq_completion)floppy){+.+.}-{0:0}, at: process_one_work+0x8c3/0x16a0
  219. [ 539.434944][ T59] #1: ffffc900180b7dc8 (floppy_work){+.+.}-{0:0}, at: process_one_work+0x8f7/0x16a0
  220. [ 539.439668][ T59] 2 locks held by syz-executor.0/21342:
  221. [ 539.440567][ T59] #0: ffff88801a762918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xa6/0x710
  222. [ 539.442077][ T59] #1: ffffffff8c6a4c88 (floppy_mutex){+.+.}-{3:3}, at: floppy_release+0x43/0x1c0
  223. [ 539.443583][ T59] 1 lock held by syz-executor.7/21344:
  224. [ 539.444433][ T59] #0: ffff88801a762918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xa6/0x710
  225. [ 539.448835][ T59] 1 lock held by syz-executor.7/21347:
  226. [ 539.449848][ T59] #0: ffffffff8c6a4c88 (floppy_mutex){+.+.}-{3:3}, at: fd_ioctl+0x25/0x50
  227. [ 539.451238][ T59] 1 lock held by syz-executor.2/21480:
  228. [ 539.452072][ T59] #0: ffff88801a762918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x23b/0xa80
  229. [ 539.453678][ T59]
  230. [ 539.454052][ T59] =============================================
  231. [ 539.454052][ T59]
  232. [ 539.455513][ T59] NMI backtrace for cpu 4
  233. [ 539.456434][ T59] CPU: 4 PID: 59 Comm: khungtaskd Not tainted 5.16.0-rc8+ #10
  234. [ 539.457616][ T59] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
  235. [ 539.459171][ T59] Call Trace:
  236. [ 539.459707][ T59] <TASK>
  237. [ 539.460185][ T59] dump_stack_lvl+0xcd/0x134
  238. [ 539.460940][ T59] nmi_cpu_backtrace.cold+0x47/0x144
  239. [ 539.461808][ T59] ? lapic_can_unplug_cpu+0x80/0x80
  240. [ 539.463013][ T59] nmi_trigger_cpumask_backtrace+0x1a1/0x1e0
  241. [ 539.463982][ T59] watchdog+0xcc8/0x1010
  242. [ 539.464679][ T59] ? reset_hung_task_detector+0x30/0x30
  243. [ 539.465576][ T59] kthread+0x405/0x4f0
  244. [ 539.466242][ T59] ? set_kthread_struct+0x130/0x130
  245. [ 539.467239][ T59] ret_from_fork+0x1f/0x30
  246. [ 539.467984][ T59] </TASK>
  247. [ 539.473423][ T59] Sending NMI from CPU 4 to CPUs 0-3,5-7:
  248. [ 539.474420][ C2] NMI backtrace for cpu 2 skipped: idling at default_idle+0xb/0x10
  249. [ 539.474941][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
  250. [ 539.475068][ C5] NMI backtrace for cpu 5 skipped: idling at default_idle+0xb/0x10
  251. [ 539.475895][ C3] NMI backtrace for cpu 3
  252. [ 539.475910][ C3] CPU: 3 PID: 7496 Comm: kworker/u16:2 Not tainted 5.16.0-rc8+ #10
  253. [ 539.475938][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
  254. [ 539.475956][ C3] Workqueue: bat_events batadv_nc_worker
  255. [ 539.475986][ C3] RIP: 0010:__this_cpu_preempt_check+0xd/0x20
  256. [ 539.476018][ C3] Code: 00 00 48 c7 c6 e0 1f 05 8a 48 c7 c7 20 20 05 8a e9 78 fe ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 0f 1f 44 00 00 48 89 ee 5d <48> c7 c7 60 20 05 8a e9 57 fe ff ff cc cc cc cc cc cc cc 0f 1f 44
  257. [ 539.476044][ C3] RSP: 0018:ffffc900095efbe8 EFLAGS: 00000086
  258. [ 539.476064][ C3] RAX: 0000000000000001 RBX: 1ffff920012bdf80 RCX: 0000000000000001
  259. [ 539.476081][ C3] RDX: 1ffff11020dab873 RSI: ffffffff89ac11c0 RDI: ffffffff89ac11c0
  260. [ 539.476099][ C3] RBP: 0000000000000000 R08: 1ffff11020dab87d R09: fffffbfff1fee329
  261. [ 539.476117][ C3] R10: ffffffff8ff71947 R11: fffffbfff1fee328 R12: 0000000000000002
  262. [ 539.476135][ C3] R13: ffffffff8bb80ee0 R14: 0000000000000000 R15: 0000000000000000
  263. [ 539.476157][ C3] FS: 0000000000000000(0000) GS:ffff888135c80000(0000) knlGS:0000000000000000
  264. [ 539.476181][ C3] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  265. [ 539.476199][ C3] CR2: 000000c000235090 CR3: 0000000019740000 CR4: 0000000000350ee0
  266. [ 539.476216][ C3] Call Trace:
  267. [ 539.476223][ C3] <TASK>
  268. [ 539.476231][ C3] lock_acquire+0x1bb/0x520
  269. [ 539.476267][ C3] ? lock_release+0x670/0x670
  270. [ 539.476298][ C3] ? batadv_nc_worker+0x1b7/0x770
  271. [ 539.476325][ C3] ? lock_downgrade+0x690/0x690
  272. [ 539.476361][ C3] batadv_nc_worker+0x114/0x770
  273. [ 539.476385][ C3] ? batadv_nc_worker+0xe0/0x770
  274. [ 539.476425][ C3] process_one_work+0x9df/0x16a0
  275. [ 539.476459][ C3] ? pwq_dec_nr_in_flight+0x2d0/0x2d0
  276. [ 539.477726][ C3] ? rwlock_bug.part.0+0x90/0x90
  277. [ 539.477756][ C3] ? _raw_spin_lock_irq+0x41/0x50
  278. [ 539.477786][ C3] worker_thread+0x90/0xe20
  279. [ 539.477817][ C3] ? process_one_work+0x16a0/0x16a0
  280. [ 539.477847][ C3] kthread+0x405/0x4f0
  281. [ 539.477870][ C3] ? set_kthread_struct+0x130/0x130
  282. [ 539.477898][ C3] ret_from_fork+0x1f/0x30
  283. [ 539.477933][ C3] </TASK>
  284. [ 539.478519][ C7] NMI backtrace for cpu 7 skipped: idling at default_idle+0xb/0x10
  285. [ 539.478638][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
  286. [ 539.482463][ C6] NMI backtrace for cpu 6 skipped: idling at default_idle+0xb/0x10
  287. [ 539.482815][ T59] Kernel panic - not syncing: hung_task: blocked tasks
  288. [ 539.523682][ T59] CPU: 4 PID: 59 Comm: khungtaskd Not tainted 5.16.0-rc8+ #10
  289. [ 539.524833][ T59] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
  290. [ 539.526880][ T59] Call Trace:
  291. [ 539.527395][ T59] <TASK>
  292. [ 539.527856][ T59] dump_stack_lvl+0xcd/0x134
  293. [ 539.528598][ T59] panic+0x2b0/0x6dd
  294. [ 539.529222][ T59] ? print_oops_end_marker.cold+0x15/0x15
  295. [ 539.530121][ T59] ? lapic_can_unplug_cpu+0x80/0x80
  296. [ 539.531055][ T59] ? preempt_schedule_thunk+0x16/0x18
  297. [ 539.531903][ T59] ? watchdog.cold+0x5/0x168
  298. [ 539.532622][ T59] watchdog.cold+0x16/0x168
  299. [ 539.533328][ T59] ? reset_hung_task_detector+0x30/0x30
  300. [ 539.534194][ T59] kthread+0x405/0x4f0
  301. [ 539.534956][ T59] ? set_kthread_struct+0x130/0x130
  302. [ 539.536095][ T59] ret_from_fork+0x1f/0x30
  303. [ 539.536809][ T59] </TASK>
  304. [ 539.538547][ T59] Kernel Offset: disabled
  305. [ 539.539243][ T59] Rebooting in 86400 seconds..
  306.  
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