block nbd2: Receive control failed (result -22) block nbd2: shutting down sockets ============================================ WARNING: possible recursive locking detected 4.14.150 #0 Not tainted -------------------------------------------- knbd2-recv/9431 is trying to acquire lock: ("knbd%d-recv"nbd->index){+.+.}, at: [] flush_workqueue+0xda/0x1400 kernel/workqueue.c:2613 but task is already holding lock: ("knbd%d-recv"nbd->index){+.+.}, at: [] work_static include/linux/workqueue.h:199 [inline] ("knbd%d-recv"nbd->index){+.+.}, at: [] set_work_data kernel/workqueue.c:619 [inline] ("knbd%d-recv"nbd->index){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] ("knbd%d-recv"nbd->index){+.+.}, at: [] process_one_work+0x76e/0x1600 kernel/workqueue.c:2085 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock("knbd%d-recv"nbd->index); lock("knbd%d-recv"nbd->index); *** DEADLOCK *** May be due to missing lock nesting notation 3 locks held by knbd2-recv/9431: #0: ("knbd%d-recv"nbd->index){+.+.}, at: [] work_static include/linux/workqueue.h:199 [inline] #0: ("knbd%d-recv"nbd->index){+.+.}, at: [] set_work_data kernel/workqueue.c:619 [inline] #0: ("knbd%d-recv"nbd->index){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ("knbd%d-recv"nbd->index){+.+.}, at: [] process_one_work+0x76e/0x1600 kernel/workqueue.c:2085 #1: ((&args->work)){+.+.}, at: [] process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089 #2: (&nbd->config_lock){+.+.}, at: [] refcount_dec_and_mutex_lock lib/refcount.c:312 [inline] #2: (&nbd->config_lock){+.+.}, at: [] refcount_dec_and_mutex_lock+0x49/0x6c lib/refcount.c:307 stack backtrace: CPU: 1 PID: 9431 Comm: knbd2-recv Not tainted 4.14.150 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: knbd2-recv recv_work Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 print_deadlock_bug kernel/locking/lockdep.c:1796 [inline] check_deadlock kernel/locking/lockdep.c:1843 [inline] validate_chain kernel/locking/lockdep.c:2444 [inline] __lock_acquire.cold+0x2bf/0x8dc kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 flush_workqueue+0x109/0x1400 kernel/workqueue.c:2616 drain_workqueue+0x177/0x3e0 kernel/workqueue.c:2781 destroy_workqueue+0x21/0x620 kernel/workqueue.c:4088 nbd_config_put+0x43c/0x7a0 drivers/block/nbd.c:1124 recv_work+0x18d/0x1f0 drivers/block/nbd.c:724 process_one_work+0x863/0x1600 kernel/workqueue.c:2114 process_scheduled_works kernel/workqueue.c:2174 [inline] rescuer_thread+0x78f/0xdd0 kernel/workqueue.c:2356 kthread+0x319/0x430 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: filesystem on './file0' not supported as upperdir kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8880a6e3cb50): kobject_uevent_env kobject: 'kvm' (ffff8880a6e3cb50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'kvm' (ffff8880a6e3cb50): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff8880a6e3cb50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' capability: warning: `syz-executor.2' uses deprecated v2 capabilities in a way that may be insecure kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env overlayfs: filesystem on './file0' not supported as upperdir kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1800 audit(1571488504.927:86): pid=9520 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=16596 res=0 kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env overlayfs: failed to resolve './file1': -2 kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'veth4' (ffff88805d4f4670): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth4' (ffff88805d4f4670): kobject_uevent_env kobject: 'veth4' (ffff88805d4f4670): fill_kobj_path: path = '/devices/virtual/net/veth4' kobject: 'queues' (ffff888089452c48): kobject_add_internal: parent: 'veth4', set: '' kobject: 'queues' (ffff888089452c48): kobject_uevent_env kobject: 'queues' (ffff888089452c48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888092e99b50): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888092e99b50): kobject_uevent_env kobject: 'rx-0' (ffff888092e99b50): fill_kobj_path: path = '/devices/virtual/net/veth4/queues/rx-0' kobject: 'tx-0' (ffff888094472298): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888094472298): kobject_uevent_env kobject: 'tx-0' (ffff888094472298): fill_kobj_path: path = '/devices/virtual/net/veth4/queues/tx-0' kobject: 'batman_adv' (ffff88808e296680): kobject_add_internal: parent: 'veth4', set: '' kobject: 'veth5' (ffff888093d12630): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth5' (ffff888093d12630): kobject_uevent_env ebt_limit: overflow, try lower: 1237055799/2886947322 kobject: 'veth5' (ffff888093d12630): fill_kobj_path: path = '/devices/virtual/net/veth5' kobject: 'queues' (ffff88809af2a648): kobject_add_internal: parent: 'veth5', set: '' kobject: 'queues' (ffff88809af2a648): kobject_uevent_env kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (ffff88809af2a648): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888092e999d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888092e999d0): kobject_uevent_env kobject: 'rx-0' (ffff888092e999d0): fill_kobj_path: path = '/devices/virtual/net/veth5/queues/rx-0' kobject: 'tx-0' (ffff888094472018): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888094472018): kobject_uevent_env kobject: 'tx-0' (ffff888094472018): fill_kobj_path: path = '/devices/virtual/net/veth5/queues/tx-0' audit: type=1800 audit(1571488505.607:87): pid=9552 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=16596 res=0 kobject: 'batman_adv' (ffff8880a8bf3880): kobject_add_internal: parent: 'veth5', set: '' IPv6: ADDRCONF(NETDEV_UP): veth5: link is not ready netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'kvm' (ffff8880a6e3cb50): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'kvm' (ffff8880a6e3cb50): fill_kobj_path: path = '/devices/virtual/misc/kvm' netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff8880a6e3cb50): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'kvm' (ffff8880a6e3cb50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' net_ratelimit: 26 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' team0: No ports can be present during mode change kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'veth6' (ffff888059eeb1b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'veth6' (ffff888059eeb1b0): kobject_uevent_env kobject: 'veth6' (ffff888059eeb1b0): fill_kobj_path: path = '/devices/virtual/net/veth6' kobject: 'queues' (ffff88809188d148): kobject_add_internal: parent: 'veth6', set: '' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'queues' (ffff88809188d148): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (ffff88809188d148): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'rx-0' (ffff88809552cb50): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809552cb50): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'rx-0' (ffff88809552cb50): fill_kobj_path: path = '/devices/virtual/net/veth6/queues/rx-0' kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'tx-0' (ffff88808a359518): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'tx-0' (ffff88808a359518): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff88808a359518): fill_kobj_path: path = '/devices/virtual/net/veth6/queues/tx-0' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'batman_adv' (ffff88809deaa780): kobject_add_internal: parent: 'veth6', set: '' kobject: 'veth7' (ffff88808baf6f30): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'veth7' (ffff88808baf6f30): kobject_uevent_env kobject: 'veth7' (ffff88808baf6f30): fill_kobj_path: path = '/devices/virtual/net/veth7' kobject: 'queues' (ffff88808eeeca48): kobject_add_internal: parent: 'veth7', set: '' kobject: 'queues' (ffff88808eeeca48): kobject_uevent_env kobject: 'queues' (ffff88808eeeca48): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'rx-0' (ffff88808def8190): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff88808def8190): kobject_uevent_env kobject: 'rx-0' (ffff88808def8190): fill_kobj_path: path = '/devices/virtual/net/veth7/queues/rx-0' kobject: 'tx-0' (ffff88808a359298): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88808a359298): kobject_uevent_env kobject: 'tx-0' (ffff88808a359298): fill_kobj_path: path = '/devices/virtual/net/veth7/queues/tx-0' kobject: 'batman_adv' (ffff888096c1de80): kobject_add_internal: parent: 'veth7', set: '' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'veth8' (ffff88808e1005b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'veth8' (ffff88808e1005b0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'veth8' (ffff88808e1005b0): fill_kobj_path: path = '/devices/virtual/net/veth8' kobject: 'queues' (ffff88808fe87748): kobject_add_internal: parent: 'veth8', set: '' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'queues' (ffff88808fe87748): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'queues' (ffff88808fe87748): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff88809b6ad490): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809b6ad490): kobject_uevent_env kobject: 'rx-0' (ffff88809b6ad490): fill_kobj_path: path = '/devices/virtual/net/veth8/queues/rx-0' kobject: 'tx-0' (ffff8880904420d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'tx-0' (ffff8880904420d8): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'tx-0' (ffff8880904420d8): fill_kobj_path: path = '/devices/virtual/net/veth8/queues/tx-0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'batman_adv' (ffff8880a1de5000): kobject_add_internal: parent: 'veth8', set: '' kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'veth9' (ffff88805940ea30): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth9' (ffff88805940ea30): kobject_uevent_env kobject: 'veth9' (ffff88805940ea30): fill_kobj_path: path = '/devices/virtual/net/veth9' kobject: 'queues' (ffff88808d549a48): kobject_add_internal: parent: 'veth9', set: '' kobject: 'queues' (ffff88808d549a48): kobject_uevent_env kobject: 'queues' (ffff88808d549a48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809e8260d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809e8260d0): kobject_uevent_env kobject: 'rx-0' (ffff88809e8260d0): fill_kobj_path: path = '/devices/virtual/net/veth9/queues/rx-0' kobject: 'tx-0' (ffff888084a96a98): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888084a96a98): kobject_uevent_env kobject: 'tx-0' (ffff888084a96a98): fill_kobj_path: path = '/devices/virtual/net/veth9/queues/tx-0' kobject: 'batman_adv' (ffff888099660380): kobject_add_internal: parent: 'veth9', set: '' nla_parse: 7 callbacks suppressed netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a0cee0): kobject_uevent_env netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop2' (ffff8880a4a0cee0): fill_kobj_path: path = '/devices/virtual/block/loop2' F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env F2FS-fs (loop3): Invalid segment/section count (22, 536870926 x 1) (unnamed net_device) (uninitialized): option updelay: invalid value (18446744073709551615) kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock (unnamed net_device) (uninitialized): option updelay: allowed values 0 - 2147483647 F2FS-fs (loop3): Invalid segment/section count (22, 536870926 x 1) kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop3' (ffff8880a4a697e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a697e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop1' (ffff8880a49d45e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d45e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4acf1e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4acf1e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a49796a0): kobject_uevent_env kobject: 'loop0' (ffff8880a49796a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nullb0' (ffff8880a3d12320): kobject_uevent_env kobject: 'nullb0' (ffff8880a3d12320): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (ffff8880a4b1b260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b1b260): fill_kobj_path: path = '/devices/virtual/block/loop5' net_ratelimit: 26 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1