====================================================== WARNING: possible circular locking dependency detected 4.20.0-rc7+ #285 Not tainted ------------------------------------------------------ kworker/1:1/22 is trying to acquire lock: 00000000f02f64a5 (&mdev->req_queue_mutex){+.+.}, at: v4l2_release+0x1d7/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:455 kobject: 'loop0' (000000003c9935b1): kobject_uevent_env but task is already holding lock: 0000000079cd3f84 ((delayed_fput_work).work){+.+.}, at: process_one_work+0xb9a/0x1c40 kernel/workqueue.c:2128 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: kobject: 'loop0' (000000003c9935b1): fill_kobj_path: path = '/devices/virtual/block/loop0' -> #3 ((delayed_fput_work).work){+.+.}: process_one_work+0xc0a/0x1c40 kernel/workqueue.c:2129 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -> #2 ((wq_completion)"events"){+.+.}: flush_workqueue+0x30a/0x1e10 kernel/workqueue.c:2655 flush_scheduled_work include/linux/workqueue.h:599 [inline] vim2m_stop_streaming+0x7c/0x2c0 drivers/media/platform/vim2m.c:811 __vb2_queue_cancel+0x14f/0xd50 drivers/media/common/videobuf2/videobuf2-core.c:1843 vb2_core_streamoff+0x60/0x140 drivers/media/common/videobuf2/videobuf2-core.c:2006 vb2_streamoff+0x4a/0x90 drivers/media/common/videobuf2/videobuf2-v4l2.c:789 v4l2_m2m_streamoff+0xd0/0x720 drivers/media/v4l2-core/v4l2-mem2mem.c:563 v4l2_m2m_ioctl_streamoff+0x6b/0x80 drivers/media/v4l2-core/v4l2-mem2mem.c:1081 v4l_streamoff+0x76/0x90 drivers/media/v4l2-core/v4l2-ioctl.c:1698 __video_do_ioctl+0x8b1/0x1050 drivers/media/v4l2-core/v4l2-ioctl.c:2853 video_usercopy+0x5c1/0x1760 drivers/media/v4l2-core/v4l2-ioctl.c:3035 video_ioctl2+0x2c/0x33 drivers/media/v4l2-core/v4l2-ioctl.c:3079 v4l2_ioctl+0x154/0x1b0 drivers/media/v4l2-core/v4l2-dev.c:364 native_ioctl drivers/media/v4l2-core/v4l2-compat-ioctl32.c:116 [inline] do_video_ioctl drivers/media/v4l2-core/v4l2-compat-ioctl32.c:1354 [inline] v4l2_compat_ioctl32+0x3e1/0x4420 drivers/media/v4l2-core/v4l2-compat-ioctl32.c:1461 __do_compat_sys_ioctl fs/compat_ioctl.c:1052 [inline] __se_compat_sys_ioctl fs/compat_ioctl.c:998 [inline] __ia32_compat_sys_ioctl+0x20e/0x630 fs/compat_ioctl.c:998 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 -> #1 (&dev->dev_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 vim2m_release+0xbc/0x150 drivers/media/platform/vim2m.c:976 v4l2_release+0x224/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:456 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&mdev->req_queue_mutex){+.+.}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 v4l2_release+0x1d7/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:455 __fput+0x385/0xa30 fs/file_table.c:278 delayed_fput+0x55/0x80 fs/file_table.c:304 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 other info that might help us debug this: Chain exists of: &mdev->req_queue_mutex --> (wq_completion)"events" --> (delayed_fput_work).work Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock((delayed_fput_work).work); lock((wq_completion)"events"); lock((delayed_fput_work).work); lock(&mdev->req_queue_mutex); *** DEADLOCK *** 2 locks held by kworker/1:1/22: #0: 000000000d2ef339 ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:218 [inline] #0: 000000000d2ef339 ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 000000000d2ef339 ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 000000000d2ef339 ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 000000000d2ef339 ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 000000000d2ef339 ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 000000000d2ef339 ((wq_completion)"events"){+.+.}, at: process_one_work+0xb43/0x1c40 kernel/workqueue.c:2124 #1: 0000000079cd3f84 ((delayed_fput_work).work){+.+.}, at: process_one_work+0xb9a/0x1c40 kernel/workqueue.c:2128 stack backtrace: CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.20.0-rc7+ #285 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events delayed_fput Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d3/0x2c6 lib/dump_stack.c:113 print_circular_bug.isra.33.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2347 [inline] __lock_acquire+0x3360/0x4c20 kernel/locking/lockdep.c:3341 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 v4l2_release+0x1d7/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:455 __fput+0x385/0xa30 fs/file_table.c:278 delayed_fput+0x55/0x80 fs/file_table.c:304 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 netlink: 76 bytes leftover after parsing attributes in process `syz-executor2'. kobject: 'loop0' (000000003c9935b1): kobject_uevent_env kobject: 'loop0' (000000003c9935b1): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'integrity' (000000003276dc26): kobject_uevent_env kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'integrity' (000000003276dc26): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'integrity' (000000003276dc26): kobject_cleanup, parent (null) netlink: 76 bytes leftover after parsing attributes in process `syz-executor2'. kobject: 'integrity' (000000003276dc26): does not have a release() function, it is broken and must be fixed. kobject: 'integrity': free name kobject: '7:0' (000000004afe530e): kobject_uevent_env kobject: '7:0' (000000004afe530e): fill_kobj_path: path = '/devices/virtual/bdi/7:0' kobject: '7:0' (000000004afe530e): kobject_cleanup, parent (null) kobject: '7:0' (000000004afe530e): calling ktype release kobject: '7:0': free name kobject: 'mq' (000000005c7f0357): kobject_uevent_env kobject: 'mq' (000000005c7f0357): kobject_uevent_env: filter function caused the event to drop! kobject: 'queue' (00000000bca475de): kobject_uevent_env kobject: 'queue' (00000000bca475de): kobject_uevent_env: filter function caused the event to drop! kobject: 'iosched' (000000004559f713): kobject_uevent_env kobject: 'iosched' (000000004559f713): kobject_uevent_env: attempted to send uevent without kset! kobject: 'holders' (00000000eaff614b): kobject_cleanup, parent 000000003c9935b1 kobject: 'holders' (00000000eaff614b): auto cleanup kobject_del kobject: 'holders' (00000000eaff614b): calling ktype release kobject: (00000000eaff614b): dynamic_kobj_release kobject: 'holders': free name kobject: 'slaves' (00000000e455a77f): kobject_cleanup, parent 000000003c9935b1 kobject: 'slaves' (00000000e455a77f): auto cleanup kobject_del kobject: 'slaves' (00000000e455a77f): calling ktype release kobject: (00000000e455a77f): dynamic_kobj_release kobject: 'slaves': free name kobject: 'loop0' (000000003c9935b1): kobject_uevent_env kobject: 'loop0' (000000003c9935b1): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'iosched' (000000004559f713): kobject_cleanup, parent (null) kobject: 'iosched' (000000004559f713): calling ktype release kobject: 'iosched': free name kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop0' (000000003c9935b1): kobject_cleanup, parent (null) kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000003c9935b1): calling ktype release kobject: 'queue' (00000000bca475de): kobject_cleanup, parent (null) kobject: '7:0' (000000000af1a885): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queue' (00000000bca475de): calling ktype release kobject: '7:0' (000000000af1a885): kobject_uevent_env kobject: 'queue': free name kobject: '7:0' (000000000af1a885): fill_kobj_path: path = '/devices/virtual/bdi/7:0' kobject: 'loop0' (0000000054279ce6): kobject_add_internal: parent: 'block', set: 'devices' kobject: '0' (000000000531dfb4): kobject_cleanup, parent (null) kobject: '0' (000000000531dfb4): calling ktype release kobject: 'loop0': free name kobject: '0': free name kobject: 'loop0' (0000000054279ce6): kobject_uevent_env kobject: 'cpu0' (00000000da424f31): kobject_cleanup, parent (null) kobject: 'loop0' (0000000054279ce6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'cpu0' (00000000da424f31): calling ktype release kobject: 'holders' (000000004e55a62d): kobject_add_internal: parent: 'loop0', set: '' netlink: 76 bytes leftover after parsing attributes in process `syz-executor2'. kobject: 'slaves' (00000000618cbe9b): kobject_add_internal: parent: 'loop0', set: '' kobject: 'cpu0': free name kobject: 'loop0' (0000000054279ce6): kobject_uevent_env kobject: 'cpu1' (00000000fd01ab8f): kobject_cleanup, parent (null) kobject: 'loop0' (0000000054279ce6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'cpu1' (00000000fd01ab8f): calling ktype release kobject: 'queue' (00000000d33239e3): kobject_add_internal: parent: 'loop0', set: '' kobject: 'mq' (00000000c93dee8f): kobject_add_internal: parent: 'loop0', set: '' kobject: 'mq' (00000000c93dee8f): kobject_uevent_env kobject: 'cpu1': free name kobject: 'mq' (00000000c93dee8f): kobject_uevent_env: filter function caused the event to drop! kobject: 'mq' (000000005c7f0357): kobject_cleanup, parent (null) kobject: '0' (00000000c2b7b257): kobject_add_internal: parent: 'mq', set: '' kobject: 'cpu0' (00000000eff0c44c): kobject_add_internal: parent: '0', set: '' kobject: 'mq' (000000005c7f0357): calling ktype release kobject: 'cpu1' (0000000000c6e3d2): kobject_add_internal: parent: '0', set: '' kobject: 'mq': free name kobject: 'queue' (00000000d33239e3): kobject_uevent_env kobject: 'queue' (00000000d33239e3): kobject_uevent_env: filter function caused the event to drop! kobject: 'iosched' (00000000d0141e7e): kobject_add_internal: parent: 'queue', set: '' kobject: 'iosched' (00000000d0141e7e): kobject_uevent_env kobject: 'iosched' (00000000d0141e7e): kobject_uevent_env: filter function caused the event to drop! kobject: 'integrity' (0000000027d46d1d): kobject_add_internal: parent: 'loop0', set: '' kobject: 'integrity' (0000000027d46d1d): kobject_uevent_env kobject: 'integrity' (0000000027d46d1d): kobject_uevent_env: filter function caused the event to drop! kobject: 'integrity' (0000000027d46d1d): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'integrity' (0000000027d46d1d): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'integrity' (0000000027d46d1d): kobject_cleanup, parent (null) kobject: 'integrity' (0000000027d46d1d): does not have a release() function, it is broken and must be fixed. kobject: 'integrity': free name kobject: '7:0' (000000000af1a885): kobject_uevent_env kobject: '7:0' (000000000af1a885): fill_kobj_path: path = '/devices/virtual/bdi/7:0' kobject: '7:0' (000000000af1a885): kobject_cleanup, parent (null) kobject: '7:0' (000000000af1a885): calling ktype release kobject: '7:0': free name kobject: 'mq' (00000000c93dee8f): kobject_uevent_env kobject: 'mq' (00000000c93dee8f): kobject_uevent_env: filter function caused the event to drop! kobject: 'queue' (00000000d33239e3): kobject_uevent_env kobject: 'queue' (00000000d33239e3): kobject_uevent_env: filter function caused the event to drop! kobject: 'iosched' (00000000d0141e7e): kobject_uevent_env kobject: 'iosched' (00000000d0141e7e): kobject_uevent_env: attempted to send uevent without kset! kobject: 'holders' (000000004e55a62d): kobject_cleanup, parent 0000000054279ce6 kobject: 'holders' (000000004e55a62d): auto cleanup kobject_del kobject: 'holders' (000000004e55a62d): calling ktype release kobject: (000000004e55a62d): dynamic_kobj_release kobject: 'holders': free name kobject: 'slaves' (00000000618cbe9b): kobject_cleanup, parent 0000000054279ce6 kobject: 'slaves' (00000000618cbe9b): auto cleanup kobject_del kobject: 'slaves' (00000000618cbe9b): calling ktype release kobject: (00000000618cbe9b): dynamic_kobj_release kobject: 'slaves': free name kobject: 'loop0' (0000000054279ce6): kobject_uevent_env kobject: 'loop0' (0000000054279ce6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'iosched' (00000000d0141e7e): kobject_cleanup, parent (null) kobject: 'iosched' (00000000d0141e7e): calling ktype release kobject: 'iosched': free name kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000054279ce6): kobject_cleanup, parent (null) kobject: 'loop0' (0000000054279ce6): calling ktype release kobject: 'queue' (00000000d33239e3): kobject_cleanup, parent (null) kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'queue' (00000000d33239e3): calling ktype release kobject: 'queue': free name kobject: '0' (00000000c2b7b257): kobject_cleanup, parent (null) kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '0' (00000000c2b7b257): calling ktype release kobject: '0': free name kobject: 'cpu0' (00000000eff0c44c): kobject_cleanup, parent (null) kobject: '7:0' (000000003f80c12e): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop0': free name kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'cpu0' (00000000eff0c44c): calling ktype release kobject: 'cpu0': free name netlink: 76 bytes leftover after parsing attributes in process `syz-executor1'. kobject: '7:0' (000000003f80c12e): kobject_uevent_env kobject: 'cpu1' (0000000000c6e3d2): kobject_cleanup, parent (null) kobject: '7:0' (000000003f80c12e): fill_kobj_path: path = '/devices/virtual/bdi/7:0' kobject: 'cpu1' (0000000000c6e3d2): calling ktype release kobject: 'cpu1': free name kobject: 'mq' (00000000c93dee8f): kobject_cleanup, parent (null) kobject: 'loop0' (0000000042fd3cdb): kobject_add_internal: parent: 'block', set: 'devices' kobject: 'mq' (00000000c93dee8f): calling ktype release kobject: 'mq': free name netlink: 76 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop0' (0000000042fd3cdb): kobject_uevent_env kobject: 'loop0' (0000000042fd3cdb): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'holders' (000000007298d58d): kobject_add_internal: parent: 'loop0', set: '' kobject: 'slaves' (0000000003b574a5): kobject_add_internal: parent: 'loop0', set: '' kobject: 'loop0' (0000000042fd3cdb): kobject_uevent_env kobject: 'loop0' (0000000042fd3cdb): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queue' (00000000a98fdd37): kobject_add_internal: parent: 'loop0', set: '' kobject: 'mq' (000000004d2cd3ed): kobject_add_internal: parent: 'loop0', set: '' kobject: 'mq' (000000004d2cd3ed): kobject_uevent_env kobject: 'mq' (000000004d2cd3ed): kobject_uevent_env: filter function caused the event to drop! kobject: '0' (000000001a0f6a49): kobject_add_internal: parent: 'mq', set: '' kobject: 'cpu0' (00000000a55b1d86): kobject_add_internal: parent: '0', set: '' kobject: 'cpu1' (00000000ceb1c195): kobject_add_internal: parent: '0', set: '' kobject: 'queue' (00000000a98fdd37): kobject_uevent_env kobject: 'queue' (00000000a98fdd37): kobject_uevent_env: filter function caused the event to drop! kobject: 'iosched' (00000000d1d3c1dc): kobject_add_internal: parent: 'queue', set: '' kobject: 'iosched' (00000000d1d3c1dc): kobject_uevent_env kobject: 'iosched' (00000000d1d3c1dc): kobject_uevent_env: filter function caused the event to drop! kobject: 'integrity' (0000000030e30258): kobject_add_internal: parent: 'loop0', set: '' kobject: 'integrity' (0000000030e30258): kobject_uevent_env kobject: 'integrity' (0000000030e30258): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'integrity' (0000000030e30258): kobject_uevent_env kobject: 'integrity' (0000000030e30258): kobject_uevent_env: filter function caused the event to drop! kobject: 'integrity' (0000000030e30258): kobject_cleanup, parent (null) kobject: 'integrity' (0000000030e30258): does not have a release() function, it is broken and must be fixed. kobject: 'integrity': free name kobject: '7:0' (000000003f80c12e): kobject_uevent_env kobject: '7:0' (000000003f80c12e): fill_kobj_path: path = '/devices/virtual/bdi/7:0' kobject: '7:0' (000000003f80c12e): kobject_cleanup, parent (null) kobject: '7:0' (000000003f80c12e): calling ktype release kobject: '7:0': free name kobject: 'mq' (000000004d2cd3ed): kobject_uevent_env kobject: 'mq' (000000004d2cd3ed): kobject_uevent_env: filter function caused the event to drop! kobject: 'queue' (00000000a98fdd37): kobject_uevent_env kobject: 'queue' (00000000a98fdd37): kobject_uevent_env: filter function caused the event to drop! kobject: 'iosched' (00000000d1d3c1dc): kobject_uevent_env kobject: 'iosched' (00000000d1d3c1dc): kobject_uevent_env: attempted to send uevent without kset! kobject: 'holders' (000000007298d58d): kobject_cleanup, parent 0000000042fd3cdb kobject: 'holders' (000000007298d58d): auto cleanup kobject_del kobject: 'holders' (000000007298d58d): calling ktype release kobject: (000000007298d58d): dynamic_kobj_release kobject: 'holders': free name kobject: 'slaves' (0000000003b574a5): kobject_cleanup, parent 0000000042fd3cdb kobject: 'slaves' (0000000003b574a5): auto cleanup kobject_del kobject: 'slaves' (0000000003b574a5): calling ktype release kobject: (0000000003b574a5): dynamic_kobj_release kobject: 'slaves': free name kobject: 'loop0' (0000000042fd3cdb): kobject_uevent_env kobject: 'loop0' (0000000042fd3cdb): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'iosched' (00000000d1d3c1dc): kobject_cleanup, parent (null) kobject: 'iosched' (00000000d1d3c1dc): calling ktype release kobject: 'iosched': free name kobject: '7:0' (00000000ea41bac5): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: '7:0' (00000000ea41bac5): kobject_uevent_env kobject: '7:0' (00000000ea41bac5): fill_kobj_path: path = '/devices/virtual/bdi/7:0' kobject: 'loop0' (00000000ba20a497): kobject_add_internal: parent: 'block', set: 'devices' kobject: 'loop0' (00000000ba20a497): kobject_uevent_env kobject: 'loop0' (00000000ba20a497): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'holders' (00000000491dbc9c): kobject_add_internal: parent: 'loop0', set: '' kobject: 'slaves' (00000000ef0450e2): kobject_add_internal: parent: 'loop0', set: '' kobject: 'loop0' (00000000ba20a497): kobject_uevent_env kobject: 'loop0' (00000000ba20a497): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queue' (0000000002054be5): kobject_add_internal: parent: 'loop0', set: '' kobject: 'mq' (00000000d1d24464): kobject_add_internal: parent: 'loop0', set: '' kobject: 'mq' (00000000d1d24464): kobject_uevent_env kobject: 'mq' (00000000d1d24464): kobject_uevent_env: filter function caused the event to drop! kobject: '0' (000000004b90fcd8): kobject_add_internal: parent: 'mq', set: '' kobject: 'cpu0' (00000000eff0c44c): kobject_add_internal: parent: '0', set: '' kobject: 'cpu1' (0000000000c6e3d2): kobject_add_internal: parent: '0', set: '' kobject: 'queue' (0000000002054be5): kobject_uevent_env kobject: 'queue' (0000000002054be5): kobject_uevent_env: filter function caused the event to drop! kobject: 'iosched' (00000000ef35ef98): kobject_add_internal: parent: 'queue', set: '' kobject: 'iosched' (00000000ef35ef98): kobject_uevent_env kobject: 'iosched' (00000000ef35ef98): kobject_uevent_env: filter function caused the event to drop! kobject: 'integrity' (000000008e4c7895): kobject_add_internal: parent: 'loop0', set: '' kobject: 'integrity' (000000008e4c7895): kobject_uevent_env kobject: 'integrity' (000000008e4c7895): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop0' (0000000042fd3cdb): kobject_cleanup, parent (null) kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000042fd3cdb): calling ktype release kobject: 'queue' (00000000a98fdd37): kobject_cleanup, parent (null) kobject: 'queue' (00000000a98fdd37): calling ktype release kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'queue': free name kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '0' (000000001a0f6a49): kobject_cleanup, parent (null) kobject: '0' (000000001a0f6a49): calling ktype release kobject: '0': free name kobject: 'cpu0' (00000000a55b1d86): kobject_cleanup, parent (null) kobject: 'cpu0' (00000000a55b1d86): calling ktype release kobject: 'cpu0': free name kobject: 'cpu1' (00000000ceb1c195): kobject_cleanup, parent (null) kobject: 'cpu1' (00000000ceb1c195): calling ktype release kobject: 'cpu1': free name kobject: 'mq' (000000004d2cd3ed): kobject_cleanup, parent (null) kobject: 'mq' (000000004d2cd3ed): calling ktype release kobject: 'mq': free name kobject: 'loop0': free name kobject: 'integrity' (000000008e4c7895): kobject_uevent_env kobject: 'integrity' (000000008e4c7895): kobject_uevent_env: filter function caused the event to drop! kobject: 'integrity' (000000008e4c7895): kobject_cleanup, parent (null) kobject: 'integrity' (000000008e4c7895): does not have a release() function, it is broken and must be fixed. kobject: 'integrity': free name netlink: 76 bytes leftover after parsing attributes in process `syz-executor2'. kobject: '7:0' (00000000ea41bac5): kobject_uevent_env netlink: 76 bytes leftover after parsing attributes in process `syz-executor0'. kobject: '7:0' (00000000ea41bac5): fill_kobj_path: path = '/devices/virtual/bdi/7:0' netlink: 76 bytes leftover after parsing attributes in process `syz-executor1'. kobject: '7:0' (00000000ea41bac5): kobject_cleanup, parent (null) kobject: '7:0' (00000000ea41bac5): calling ktype release kobject: '7:0': free name kobject: 'mq' (00000000d1d24464): kobject_uevent_env kobject: 'mq' (00000000d1d24464): kobject_uevent_env: filter function caused the event to drop! kobject: 'queue' (0000000002054be5): kobject_uevent_env kobject: 'queue' (0000000002054be5): kobject_uevent_env: filter function caused the event to drop! kobject: 'iosched' (00000000ef35ef98): kobject_uevent_env kobject: 'iosched' (00000000ef35ef98): kobject_uevent_env: attempted to send uevent without kset! kobject: 'holders' (00000000491dbc9c): kobject_cleanup, parent 00000000ba20a497 kobject: 'holders' (00000000491dbc9c): auto cleanup kobject_del kobject: 'holders' (00000000491dbc9c): calling ktype release kobject: (00000000491dbc9c): dynamic_kobj_release kobject: 'holders': free name kobject: 'slaves' (00000000ef0450e2): kobject_cleanup, parent 00000000ba20a497 kobject: 'slaves' (00000000ef0450e2): auto cleanup kobject_del kobject: 'slaves' (00000000ef0450e2): calling ktype release kobject: (00000000ef0450e2): dynamic_kobj_release kobject: 'slaves': free name kobject: 'loop0' (00000000ba20a497): kobject_uevent_env kobject: 'loop0' (00000000ba20a497): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'iosched' (00000000ef35ef98): kobject_cleanup, parent (null) kobject: 'iosched' (00000000ef35ef98): calling ktype release kobject: 'iosched': free name kobject: 'loop0' (00000000ba20a497): kobject_cleanup, parent (null) kobject: 'loop0' (00000000ba20a497): calling ktype release kobject: 'queue' (0000000002054be5): kobject_cleanup, parent (null) kobject: 'queue' (0000000002054be5): calling ktype release kobject: '0' (000000004b90fcd8): kobject_cleanup, parent (null) kobject: 'queue': free name kobject: '0' (000000004b90fcd8): calling ktype release kobject: 'loop0': free name kobject: '0': free name kobject: 'cpu0' (00000000eff0c44c): kobject_cleanup, parent (null) kobject: 'cpu0' (00000000eff0c44c): calling ktype release kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'cpu0': free name kobject: 'cpu1' (0000000000c6e3d2): kobject_cleanup, parent (null) kobject: 'cpu1' (0000000000c6e3d2): calling ktype release kobject: 'cpu1': free name kobject: 'mq' (00000000d1d24464): kobject_cleanup, parent (null) kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'mq' (00000000d1d24464): calling ktype release kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: '7:0' (0000000030592f81): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'mq': free name kobject: '7:0' (0000000030592f81): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '7:0' (0000000030592f81): fill_kobj_path: path = '/devices/virtual/bdi/7:0' kobject: 'loop0' (00000000974c454b): kobject_add_internal: parent: 'block', set: 'devices' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'holders' (00000000af646ca8): kobject_add_internal: parent: 'loop0', set: '' kobject: 'slaves' (000000000b02473c): kobject_add_internal: parent: 'loop0', set: '' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queue' (00000000bd9d9200): kobject_add_internal: parent: 'loop0', set: '' kobject: 'mq' (00000000a39e5282): kobject_add_internal: parent: 'loop0', set: '' kobject: 'mq' (00000000a39e5282): kobject_uevent_env kobject: 'mq' (00000000a39e5282): kobject_uevent_env: filter function caused the event to drop! kobject: '0' (000000008f0299d2): kobject_add_internal: parent: 'mq', set: '' kobject: 'cpu0' (000000004a3b9e9b): kobject_add_internal: parent: '0', set: '' kobject: 'cpu1' (000000003794c2be): kobject_add_internal: parent: '0', set: '' kobject: 'queue' (00000000bd9d9200): kobject_uevent_env kobject: 'queue' (00000000bd9d9200): kobject_uevent_env: filter function caused the event to drop! kobject: 'iosched' (00000000cf002af7): kobject_add_internal: parent: 'queue', set: '' kobject: 'iosched' (00000000cf002af7): kobject_uevent_env kobject: 'iosched' (00000000cf002af7): kobject_uevent_env: filter function caused the event to drop! kobject: 'integrity' (00000000861f6488): kobject_add_internal: parent: 'loop0', set: '' kobject: 'integrity' (00000000861f6488): kobject_uevent_env kobject: 'integrity' (00000000861f6488): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env netlink: 76 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 76 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' print_req_error: 136 callbacks suppressed print_req_error: I/O error, dev loop0, sector 0 kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' print_req_error: I/O error, dev loop0, sector 8 kobject: 'loop0' (00000000974c454b): kobject_uevent_env print_req_error: I/O error, dev loop0, sector 8 buffer_io_error: 134 callbacks suppressed Buffer I/O error on dev loop0, logical block 2, async page read print_req_error: I/O error, dev loop0, sector 12 Buffer I/O error on dev loop0, logical block 3, async page read kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' print_req_error: I/O error, dev loop0, sector 8 Buffer I/O error on dev loop0, logical block 2, async page read print_req_error: I/O error, dev loop0, sector 12 Buffer I/O error on dev loop0, logical block 3, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, lost async page write print_req_error: I/O error, dev loop0, sector 4 Buffer I/O error on dev loop0, logical block 1, lost async page write kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000055566889): kobject_uevent_env kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000974c454b): kobject_uevent_env IPVS: set_ctl: invalid protocol: 135 172.20.20.22:20001 kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000394a504e): kobject_uevent_env kobject: 'kvm' (00000000394a504e): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000006a662f37): kobject_uevent_env kobject: 'loop4' (000000006a662f37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000dc04cd85): kobject_uevent_env kobject: 'loop3' (00000000dc04cd85): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000974c454b): kobject_uevent_env kobject: 'loop0' (00000000974c454b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d980fcd2): kobject_uevent_env kobject: 'loop2' (00000000d980fcd2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000032ee7a50): kobject_uevent_env kobject: 'loop1' (0000000032ee7a50): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (0000000055566889): kobject_uevent_env mmap: syz-executor1 (4544): VmData 18333696 exceed data ulimit 0. Update limits or use boot option ignore_rlimit_data. kobject: 'loop5' (0000000055566889): fill_kobj_path: path = '/devices/virtual/block/loop5'