| TITLE: WARNING: ODEBUG bug in blk_mq_unregister_disk |
| |
| [ 77.713943] ------------[ cut here ]------------ |
| [ 77.718699] WARNING: CPU: 0 PID: 2484 at lib/debugobjects.c:260 debug_print_object+0x181/0x210 |
| [ 77.727440] ODEBUG: init active (active state 0) object type: timer_list hint: (null) |
| [ 77.736364] Kernel panic - not syncing: panic_on_warn set ... |
| [ 77.736364] |
| [ 77.743708] CPU: 0 PID: 2484 Comm: syz-executor382 Not tainted 4.4.194+ #0 |
| [ 77.743960] kobject: '0' (ffff8800bb7592b0): kobject_cleanup, parent (null) |
| [ 77.743964] kobject: '0' (ffff8800bb7592b0): calling ktype release |
| [ 77.743966] kobject: '0': free name |
| [ 77.743994] kobject: 'integrity' (ffff8801d66cbe18): kobject_cleanup, parent (null) |
| [ 77.743997] kobject: 'integrity' (ffff8801d66cbe18): does not have a release() function, it is broken and must be fixed. |
| [ 77.743999] kobject: 'integrity': free name |
| [ 77.763943] kobject: 'holders' (ffff8800b8c15038): kobject_cleanup, parent ffff8800b9726718 |
| [ 77.763947] kobject: 'holders' (ffff8800b8c15038): auto cleanup kobject_del |
| [ 77.763980] kobject: 'holders' (ffff8800b8c15038): calling ktype release |
| [ 77.763983] kobject: (ffff8800b8c15038): dynamic_kobj_release |
| [ 77.764001] kobject: 'holders': free name |
| [ 77.825544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 77.833953] kobject: 'loop0' (ffff8800b978c1d8): kobject_cleanup, parent (null) |
| [ 77.833957] kobject: 'loop0' (ffff8800b978c1d8): calling ktype release |
| [ 77.834008] kobject: 'queue' (ffff8800bab5f900): kobject_release, parent (null) (delayed 400) |
| [ 77.834059] kobject: 'loop0': free name |
| [ 77.863276] 0000000000000000 ffff8800baa3f860 ffffffff81cb8911 ffff8800baa3f998 |
| [ 77.871298] ffffffff82c3ef40 ffffffff82d8ef60 ffffffff81d15631 0000000000000009 |
| [ 77.879377] ffff8800baa3f920 ffffffff813e5f5d 0000000041b58ab3 ffffffff830c0b83 |
| [ 77.887397] Call Trace: |
| [ 77.889973] [<ffffffff81cb8911>] dump_stack+0xc1/0x120 |
| [ 77.895313] [<ffffffff81d15631>] ? debug_print_object+0x181/0x210 |
| [ 77.901611] [<ffffffff813e5f5d>] panic+0x1a2/0x364 |
| [ 77.906603] [<ffffffff813e5dbb>] ? add_taint.cold+0x16/0x16 |
| [ 77.912391] [<ffffffff81d15631>] ? debug_print_object+0x181/0x210 |
| [ 77.918694] [<ffffffff813e6185>] __warn.cold+0x20/0x45 |
| [ 77.924036] [<ffffffff81252060>] ? __internal_add_timer+0x240/0x240 |
| [ 77.930507] [<ffffffff8110c041>] warn_slowpath_fmt+0xb1/0xd0 |
| [ 77.936390] [<ffffffff8110bf90>] ? __warn+0x1c0/0x1c0 |
| [ 77.941644] [<ffffffff8120570d>] ? trace_hardirqs_on+0xd/0x10 |
| [ 77.947595] [<ffffffff81d15631>] debug_print_object+0x181/0x210 |
| [ 77.953721] [<ffffffff81d15eb2>] __debug_object_init+0x482/0x8a0 |
| [ 77.959952] [<ffffffff81d15a30>] ? free_object+0x2b0/0x2b0 |
| [ 77.965642] [<ffffffff81d15a30>] ? free_object+0x2b0/0x2b0 |
| [ 77.971335] [<ffffffff81d162e6>] debug_object_init+0x16/0x20 |
| [ 77.977201] [<ffffffff81253f0d>] init_timer_key+0x3d/0x390 |
| [ 77.982889] [<ffffffff81cbe2ef>] kobject_release+0x15f/0x250 |
| [ 77.988755] [<ffffffff81c61e2f>] ? blk_mq_unregister_hctx.part.0+0xef/0x140 |
| [ 77.995920] [<ffffffff81cbe5f0>] kobject_put+0x70/0xd0 |
| [ 78.001260] [<ffffffff81c62057>] blk_mq_unregister_disk+0x1d7/0x350 |
| [ 78.003968] kobject: 'queue' (ffff8800bab5b920): kobject_cleanup, parent (null) |
| [ 78.003972] kobject: 'queue' (ffff8800bab5b920): calling ktype release |
| [ 78.022656] [<ffffffff81c38987>] blk_unregister_queue+0x87/0x150 |
| [ 78.028864] [<ffffffff81c6c953>] del_gendisk+0x2a3/0x660 |
| [ 78.034378] [<ffffffff81c6c6b0>] ? disk_events_poll_msecs_store+0x150/0x150 |
| [ 78.041540] [<ffffffff81cbe5de>] ? kobject_put+0x5e/0xd0 |
| [ 78.047055] [<ffffffff81c283c9>] ? blk_cleanup_queue+0x3f9/0x5f0 |
| [ 78.053265] [<ffffffff81f4ffbd>] loop_remove+0x6d/0xd0 |
| [ 78.058604] [<ffffffff81f54d7e>] loop_control_ioctl+0x29e/0x2f0 |
| [ 78.064739] [<ffffffff81f54ae0>] ? loop_lookup+0x170/0x170 |
| [ 78.070428] [<ffffffff81f54ae0>] ? loop_lookup+0x170/0x170 |
| [ 78.076232] [<ffffffff8156c341>] do_vfs_ioctl+0xa41/0xfe0 |
| [ 78.081836] [<ffffffff82a48dc0>] ? __switch_to_asm+0x40/0x70 |
| [ 78.087818] [<ffffffff82a48db4>] ? __switch_to_asm+0x34/0x70 |
| [ 78.093688] [<ffffffff8156b900>] ? ioctl_preallocate+0x1f0/0x1f0 |
| [ 78.099903] [<ffffffff82a3347b>] ? __schedule+0x6fb/0x1c10 |
| [ 78.105610] [<ffffffff8123ebf1>] ? debug_lockdep_rcu_enabled+0x71/0xa0 |
| [ 78.112348] [<ffffffff8158b278>] ? __fget_light+0xa8/0x1f0 |
| [ 78.113970] kobject: '7:0' (ffff8801d66cd3e8): kobject_cleanup, parent (null) |
| [ 78.113974] kobject: '7:0' (ffff8801d66cd3e8): calling ktype release |
| [ 78.114022] kobject: '7:0': free name |
| [ 78.123965] kobject: 'integrity' (ffff8801d66ceca8): kobject_cleanup, parent (null) |
| [ 78.123969] kobject: 'integrity' (ffff8801d66ceca8): does not have a release() function, it is broken and must be fixed. |
| [ 78.123970] kobject: 'integrity': free name |
| [ 78.133989] kobject: 'cpu0' (ffffe8ffffc02518): kobject_cleanup, parent (null) |
| [ 78.133993] kobject: 'cpu0' (ffffe8ffffc02518): calling ktype release |
| [ 78.133995] kobject: 'cpu0': free name |
| [ 78.179087] [<ffffffff81b5cc34>] ? security_file_ioctl+0x94/0xc0 |
| [ 78.185300] [<ffffffff8156c974>] SyS_ioctl+0x94/0xc0 |
| [ 78.190487] [<ffffffff82a489e7>] entry_SYSCALL_64_fastpath+0x1e/0xa0 |
| [ 78.198342] Kernel Offset: disabled |
| [ 78.202259] Rebooting in 86400 seconds.. |
