batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 ================================ WARNING: inconsistent lock state 4.19.106-syzkaller #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-fuzzer/8379 [HC0[0]:SC1[1]:HE1:SE0] takes: 00000000439dc671 (&(&local->client_conns_lock)->rlock){+.?.}, at: spin_lock include/linux/spinlock.h:329 [inline] 00000000439dc671 (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_one_client_conn net/rxrpc/conn_client.c:949 [inline] 00000000439dc671 (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x666/0xc00 net/rxrpc/conn_client.c:1002 {SOFTIRQ-ON-W} state was registered at: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] rxrpc_get_client_conn net/rxrpc/conn_client.c:309 [inline] rxrpc_connect_call+0x301/0x4630 net/rxrpc/conn_client.c:702 rxrpc_new_client_call+0x8c6/0x1850 net/rxrpc/call_object.c:291 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:596 [inline] rxrpc_do_sendmsg+0xf2e/0x1bc1 net/rxrpc/sendmsg.c:652 rxrpc_sendmsg+0x4a8/0x5b0 net/rxrpc/af_rxrpc.c:593 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:632 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 __sys_sendmmsg+0x195/0x470 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe irq event stamp: 11348988 hardirqs last enabled at (11348988): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (11348988): [] _raw_spin_unlock_irqrestore+0x67/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (11348987): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (11348987): [] _raw_spin_lock_irqsave+0x66/0xbf kernel/locking/spinlock.c:152 softirqs last enabled at (11348200): [] __do_softirq+0x650/0x93c kernel/softirq.c:318 softirqs last disabled at (11348705): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (11348705): [] irq_exit+0x17b/0x1c0 kernel/softirq.c:412 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&local->client_conns_lock)->rlock); lock(&(&local->client_conns_lock)->rlock); *** DEADLOCK *** 1 lock held by syz-fuzzer/8379: #0: 000000003ee4b0f4 (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:226 [inline] #0: 000000003ee4b0f4 (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2584 [inline] #0: 000000003ee4b0f4 (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] #0: 000000003ee4b0f4 (rcu_callback){....}, at: __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] #0: 000000003ee4b0f4 (rcu_callback){....}, at: rcu_process_callbacks+0xbff/0x17f0 kernel/rcu/tree.c:2881 stack backtrace: CPU: 0 PID: 8379 Comm: syz-fuzzer Not tainted 4.19.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 print_usage_bug.cold+0x327/0x425 kernel/locking/lockdep.c:2540 valid_state kernel/locking/lockdep.c:2553 [inline] mark_lock_irq kernel/locking/lockdep.c:2747 [inline] mark_lock+0xc71/0x11b0 kernel/locking/lockdep.c:3127 mark_irqflags kernel/locking/lockdep.c:3005 [inline] __lock_acquire+0xc62/0x49c0 kernel/locking/lockdep.c:3368 lock_acquire+0x170/0x400 kernel/locking/lockdep.c:3903 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] rxrpc_put_one_client_conn net/rxrpc/conn_client.c:949 [inline] rxrpc_put_client_conn+0x666/0xc00 net/rxrpc/conn_client.c:1002 rxrpc_put_connection net/rxrpc/ar-internal.h:951 [inline] rxrpc_rcu_destroy_call+0xb6/0x1e0 net/rxrpc/call_object.c:657 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xb2d/0x17f0 kernel/rcu/tree.c:2881 __do_softirq+0x26c/0x93c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17b/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0033:0x774e6d Code: 24 40 8b 1c 8a 48 8d 35 d1 19 0f 00 48 89 34 24 48 89 44 24 08 89 5c 24 10 e8 ff 5c c9 ff 48 8b 44 24 18 0f b6 4c 24 58 88 08 <48> 8b 44 24 20 48 ff c0 48 89 c1 48 8b 44 24 28 48 8b 54 24 48 48 RSP: 002b:000000c4201cbbc0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 000000c442999129 RBX: 000000c43aa42300 RCX: 0000000000000003 RDX: 000000005715c465 RSI: 0000000000866820 RDI: 0000000000000038 RBP: 000000c4201cbbf0 R08: 0000000000000000 R09: 0000000000000001 R10: 000000c442999100 R11: 000000005715c465 R12: 0000000000000c00 R13: 0000000000000018 R14: 0000000000000057 R15: 0000000000000100 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready autofs4:pid:8625:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0x0000937e) autofs4:pid:8625:validate_dev_ioctl: invalid device control module version supplied for cmd(0x0000937e) gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: Trying to join cluster "lock_nolock", "selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e" SELinux: failed to load policy audit: type=1400 audit(1582806882.262:42): avc: denied { map } for pid=8656 comm="syz-executor.2" path="socket:[31530]" dev="sockfs" ino=31530 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=packet_socket permissive=1 gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: Now mounting FS... audit: type=1800 audit(1582806882.402:43): pid=8666 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="loop4" ino=3 res=0 gfs2: not a GFS2 filesystem audit: type=1804 audit(1582806882.402:44): pid=8666 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir573512862/syzkaller.VD9QzG/1/file0/file0" dev="loop4" ino=3 res=1 gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: can't read superblock gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: can't read superblock: -22 FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 17) gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: Trying to join cluster "lock_nolock", "selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e" audit: type=1800 audit(1582806882.402:45): pid=8666 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="loop4" ino=3 res=0 FAT-fs (loop4): Filesystem has been set read-only audit: type=1804 audit(1582806882.432:46): pid=8666 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir573512862/syzkaller.VD9QzG/1/file0/file0" dev="loop4" ino=3 res=1 FAT-fs (loop4): error, fat_free_clusters: deleting FAT entry beyond EOF gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: Now mounting FS... audit: type=1804 audit(1582806882.452:47): pid=8666 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir573512862/syzkaller.VD9QzG/1/file0/file0" dev="loop4" ino=3 res=1 gfs2: not a GFS2 filesystem gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: can't read superblock SELinux: failed to load policy gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: can't read superblock: -22 audit: type=1800 audit(1582806883.222:48): pid=8714 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.4" name="file0" dev="loop4" ino=4 res=0 audit: type=1804 audit(1582806883.222:49): pid=8714 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir573512862/syzkaller.VD9QzG/2/file0/file0" dev="loop4" ino=4 res=1 FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 17) audit: type=1800 audit(1582806883.232:50): pid=8714 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.4" name="file0" dev="loop4" ino=4 res=0 FAT-fs (loop4): Filesystem has been set read-only SELinux: failed to load policy FAT-fs (loop4): error, fat_free: invalid cluster chain (i_pos 17) gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: Trying to join cluster "lock_nolock", "selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e" gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: Now mounting FS... gfs2: not a GFS2 filesystem gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: can't read superblock gfs2: fsid=selfsystemmd5sum$lotrusted\+vmnet0'posix_acl_accesswlan1eth0'{e: can't read superblock: -22 FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop5): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop4): Filesystem has been set read-only FAT-fs (loop5): Filesystem has been set read-only FAT-fs (loop3): error, fat_get_cluster: invalid cluster chain (i_pos 17) kauditd_printk_skb: 17 callbacks suppressed audit: type=1400 audit(1582806884.272:68): avc: denied { map } for pid=8777 comm="syz-executor.0" path="/dev/sg0" dev="devtmpfs" ino=18849 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:scsi_generic_device_t:s0 tclass=chr_file permissive=1 FAT-fs (loop4): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop3): Filesystem has been set read-only FAT-fs (loop5): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop3): error, fat_free_clusters: deleting FAT entry beyond EOF SELinux: policydb table sizes (1489108998,0) do not match mine (6,7) SELinux: failed to load policy SELinux: policydb table sizes (1489108998,0) do not match mine (6,7) SELinux: failed to load policy Unable to read inode block MINIX-fs: get root inode failed audit: type=1800 audit(1582806884.802:69): pid=8801 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.5" name="file0" dev="loop5" ino=8 res=0 SELinux: policydb table sizes (1048582,7) do not match mine (6,7) SELinux: failed to load policy audit: type=1804 audit(1582806884.882:70): pid=8825 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir324882402/syzkaller.dYZSTs/12/bus" dev="sda1" ino=16541 res=1 audit: type=1804 audit(1582806884.882:71): pid=8801 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir695166336/syzkaller.b9IyJZ/8/file0/file0" dev="loop5" ino=8 res=1 Unable to read inode block audit: type=1800 audit(1582806884.882:72): pid=8801 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.5" name="file0" dev="loop5" ino=8 res=0 MINIX-fs: get root inode failed audit: type=1800 audit(1582806884.932:73): pid=8813 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="loop3" ino=9 res=0 audit: type=1804 audit(1582806884.952:74): pid=8813 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir232980641/syzkaller.nIQD9g/6/file0/file0" dev="loop3" ino=9 res=1 FAT-fs (loop5): error, fat_get_cluster: invalid cluster chain (i_pos 17) audit: type=1804 audit(1582806884.952:76): pid=8801 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir695166336/syzkaller.b9IyJZ/8/file0/file0" dev="loop5" ino=8 res=1 audit: type=1800 audit(1582806884.952:75): pid=8813 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="loop3" ino=9 res=0 audit: type=1804 audit(1582806885.032:77): pid=8801 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir695166336/syzkaller.b9IyJZ/8/file0/file0" dev="loop5" ino=8 res=1 FAT-fs (loop3): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop5): Filesystem has been set read-only FAT-fs (loop3): Filesystem has been set read-only FAT-fs (loop5): error, fat_free: invalid cluster chain (i_pos 17) FAT-fs (loop3): error, fat_free: invalid cluster chain (i_pos 17) SELinux: policydb table sizes (1048582,7) do not match mine (6,7) SELinux: failed to load policy block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets FAT-fs (loop5): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop5): Filesystem has been set read-only FAT-fs (loop3): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop5): error, fat_free: invalid cluster chain (i_pos 17) FAT-fs (loop3): Filesystem has been set read-only FAT-fs (loop3): error, fat_free_clusters: deleting FAT entry beyond EOF block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) kauditd_printk_skb: 98 callbacks suppressed audit: type=1800 audit(1582806889.292:176): pid=9232 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.5" name="file0" dev="loop5" ino=27 res=0 block nbd2: shutting down sockets audit: type=1804 audit(1582806889.302:177): pid=9232 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir695166336/syzkaller.b9IyJZ/19/file0/file0" dev="loop5" ino=27 res=1 audit: type=1800 audit(1582806889.372:178): pid=9232 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.5" name="file0" dev="loop5" ino=27 res=0 audit: type=1800 audit(1582806889.382:179): pid=9238 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="loop3" ino=28 res=0 audit: type=1804 audit(1582806889.382:180): pid=9238 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir232980641/syzkaller.nIQD9g/17/file0/file0" dev="loop3" ino=28 res=1 block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets audit: type=1800 audit(1582806889.382:181): pid=9238 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="loop3" ino=28 res=0 audit: type=1804 audit(1582806889.392:182): pid=9232 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir695166336/syzkaller.b9IyJZ/19/file0/file0" dev="loop5" ino=27 res=1 audit: type=1804 audit(1582806889.392:183): pid=9238 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir232980641/syzkaller.nIQD9g/17/file0/file0" dev="loop3" ino=28 res=1 audit: type=1800 audit(1582806889.692:184): pid=9267 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="loop3" ino=29 res=0 block nbd2: Receive control failed (result -107) audit: type=1804 audit(1582806889.692:185): pid=9267 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir232980641/syzkaller.nIQD9g/18/file0/file0" dev="loop3" ino=29 res=1 block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: shutting down sockets block nbd2: Receive control failed (result -107) block nbd2: Attempted send on invalid socket block nbd2: shutting down sockets print_req_error: I/O error, dev nbd2, sector 0 Buffer I/O error on dev nbd2, logical block 0, async page read print_req_error: I/O error, dev nbd2, sector 2 Buffer I/O error on dev nbd2, logical block 1, async page read Buffer I/O error on dev nbd2, logical block 2, async page read Buffer I/O error on dev nbd2, logical block 3, async page read print_req_error: I/O error, dev nbd2, sector 0 Buffer I/O error on dev nbd2, logical block 0, async page read print_req_error: I/O error, dev nbd2, sector 2 Buffer I/O error on dev nbd2, logical block 1, async page read Buffer I/O error on dev nbd2, logical block 2, async page read Buffer I/O error on dev nbd2, logical block 3, async page read print_req_error: I/O error, dev nbd2, sector 0 Buffer I/O error on dev nbd2, logical block 0, async page read Buffer I/O error on dev nbd2, logical block 1, async page read print_req_error: I/O error, dev nbd2, sector 0 print_req_error: I/O error, dev nbd2, sector 0 print_req_error: I/O error, dev nbd2, sector 2 print_req_error: I/O error, dev nbd2, sector 4