TITLE: INFO: task hung in corrupted
ALT: hang in corrupted
TYPE: HANG
CORRUPTED: Y

[  637.252691][ T1136] INFO: task syz-executor.3:20434 blocked for more than 143 seconds.
[  637.260866][ T1136]       Not tainted 5.7.0-rc5-syzkaller #0
[  637.271134][ T1136] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  637.280725][ T1136] syz-executor.3  D29600 20434   7376 0x00000004
[  637.287738][ T1136] Call Trace:
[  637.291138][ T1136]  ? __schedule+0x937/0x1ff0
[  637.298100][ T1136]  ? rwsem_down_write_slowpath+0x90a/0xf90
[  637.305983][ T1136]  ? __sched_text_start+0x8/0x8
[  637.310923][ T1136]  ? schedule+0xd0/0x2a0
[  637.315939][ T1136]  ? rwsem_down_write_slowpath+0x706/0xf90
[  637.321995][ T1136]  ? rwsem_mark_wake+0x8d0/0x8d0
[  637.328350][ T1136]  ? lock_acquire+0x1f2/0x8f0
[  637.334315][ T1136]  ? register_netdevice_notifier+0x1e/0x270
[  637.340315][ T1136]  ? _raw_spin_unlock_irqrestore+0x9b/0xe0
[  637.347664][ T1136]  ? find_held_lock+0x2d/0x110
[  637.352888][ T1136]  ? down_write+0x137/0x150
[  637.357418][ T1136]  ? down_write+0x137/0x150
[  637.361937][ T1136]  ? __down_timeout+0x2d0/0x2d0
[  637.366918][ T1136]  ? lockdep_init_map_waits+0x26a/0x890
[  637.372998][ T1136]  ? register_netdevice_notifier+0x1e/0x270
[  637.379030][ T1136]  ? bcm_init+0x1a3/0x210
[  637.383482][ T1136]  ? canbcm_pernet_init+0x90/0x90
[  637.388532][ T1136]  ? can_create+0x27c/0x500
[  637.393187][ T1136]  ? __sock_create+0x3cb/0x730
[  637.397978][ T1136]  ? __sys_socket+0xef/0x200
[  637.403738][ T1136]  ? move_addr_to_kernel+0x70/0x70
[  637.408913][ T1136]  ? __x64_sys_clock_gettime+0x165/0x240
[  637.414705][ T1136]  ? __ia32_sys_clock_settime+0x260/0x260
[  637.420474][ T1136]  ? trace_hardirqs_off_caller+0x55/0x230
[  637.426371][ T1136]  ? __x64_sys_socket+0x6f/0xb0
[  637.431255][ T1136]  ? lockdep_hardirqs_on+0x463/0x620
[  637.436677][ T1136]  ? do_syscall_64+0xf6/0x7d0
[  637.441394][ T1136]  ? entry_SYSCALL_64_after_hwframe+0x49/0xb3
[  637.447594][ T1136] INFO: task syz-executor.3:20440 blocked for more than 143 seconds.
[  637.455823][ T1136]       Not tainted 5.7.0-rc5-syzkaller #0
[  637.461703][ T1136] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  637.470464][ T1136] syz-executor.3  D29600 20440   7376 0x00000004
[  637.477534][ T1136] Call Trace:
[  637.480906][ T1136]  ? __schedule+0x937/0x1ff0
[  637.485648][ T1136]  ? rwsem_down_write_slowpath+0x90a/0xf90
[  637.491475][ T1136]  ? __sched_text_start+0x8/0x8
[  637.496518][ T1136]  ? schedule+0xd0/0x2a0
[  637.500779][ T1136]  ? rwsem_down_write_slowpath+0x706/0xf90
[  637.506707][ T1136]  ? pcpu_alloc+0xfed/0x13b0
[  637.511313][ T1136]  ? rwsem_mark_wake+0x8d0/0x8d0
[  637.517337][ T1136]  ? lock_acquire+0x1f2/0x8f0
[  637.522165][ T1136]  ? register_netdevice_notifier+0x1e/0x270
[  637.528154][ T1136]  ? lock_release+0x800/0x800
[  637.532976][ T1136]  ? down_write+0x137/0x150
[  637.537490][ T1136]  ? down_write+0xb2/0x150
[  637.541902][ T1136]  ? down_write+0x137/0x150
[  637.546519][ T1136]  ? __down_timeout+0x2d0/0x2d0
[  637.551382][ T1136]  ? pcpu_alloc+0x128/0x13b0
[  637.556075][ T1136]  ? register_netdevice_notifier+0x1e/0x270
[  637.561993][ T1136]  ? raw_init+0x296/0x340
[  637.566421][ T1136]  ? raw_sock_no_ioctlcmd+0x10/0x10
[  637.571630][ T1136]  ? can_create+0x27c/0x500
[  637.576277][ T1136]  ? __sock_create+0x3cb/0x730
[  637.581075][ T1136]  ? __sys_socket+0xef/0x200
[  637.585759][ T1136]  ? move_addr_to_kernel+0x70/0x70
[  637.590878][ T1136]  ? __x64_sys_clock_gettime+0x165/0x240
[  637.596606][ T1136]  ? __ia32_sys_clock_settime+0x260/0x260
[  637.603391][ T1136]  ? trace_hardirqs_off_caller+0x55/0x230
[  637.609141][ T1136]  ? __x64_sys_socket+0x6f/0xb0
[  637.614110][ T1136]  ? lockdep_hardirqs_on+0x463/0x620
[  637.619409][ T1136]  ? do_syscall_64+0xf6/0x7d0
[  637.625104][ T1136]  ? entry_SYSCALL_64_after_hwframe+0x49/0xb3
[  637.631241][ T1136] 
[  637.631241][ T1136] Showing all locks held in the system:
[  637.639228][ T1136] 5 locks held by kworker/u4:1/21:
[  637.644448][ T1136]  #0: ffff8880a9771938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x844/0x16a0
[  637.656766][ T1136]  #1: ffffc90000dd7dc0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x878/0x16a0
[  637.666817][ T1136]  #2: ffffffff8a576f30 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xa50
[  637.676206][ T1136]  #3: ffffffff8a582e28 (rtnl_mutex){+.+.}-{3:3}, at: caif_exit_net+0x2c8/0x790
[  637.685449][ T1136]  #4: ffff88803cc33680 (&caifn->caifdevs.lock){+.+.}-{3:3}, at: caif_exit_net+0x2e3/0x790
[  637.695570][ T1136] 1 lock held by khungtaskd/1136:
[  637.700580][ T1136]  #0: ffffffff899bea80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
[  637.710563][ T1136] 1 lock held by syz-executor.3/20434:
[  637.716135][ T1136]  #0: ffffffff8a576f30 (pernet_ops_rwsem){++++}-{3:3}, at: register_netdevice_notifier+0x1e/0x270
[  637.726972][ T1136] 1 lock held by syz-executor.3/20440:
[  637.735192][ T1136]  #0: ffffffff8a576f30 (pernet_ops_rwsem){++++}-{3:3}, at: register_netdevice_notifier+0x1e/0x270
[  637.746054][ T1136] 
[  637.748388][ T1136] =============================================
