[ 57.312241] device bridge_slave_1 left promiscuous mode [ 57.318162] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.333668] device bridge_slave_0 left promiscuous mode [ 57.339302] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.392851] team0 (unregistering): Port device team_slave_1 removed [ 58.403167] team0 (unregistering): Port device team_slave_0 removed [ 58.412828] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 58.427406] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 58.460559] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. 2020/02/12 01:36:53 parsed 1 programs 2020/02/12 01:36:53 executed programs: 0 [ 62.829759] IPVS: ftp: loaded support on port[0] = 21 [ 62.839659] IPVS: ftp: loaded support on port[0] = 21 [ 62.844402] IPVS: ftp: loaded support on port[0] = 21 [ 62.859298] IPVS: ftp: loaded support on port[0] = 21 [ 62.891783] IPVS: ftp: loaded support on port[0] = 21 [ 62.905746] IPVS: ftp: loaded support on port[0] = 21 [ 63.416353] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.422763] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.436996] device bridge_slave_0 entered promiscuous mode [ 63.452364] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.458781] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.465796] device bridge_slave_0 entered promiscuous mode [ 63.490109] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.496622] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.510215] device bridge_slave_0 entered promiscuous mode [ 63.520527] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.526991] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.534045] device bridge_slave_0 entered promiscuous mode [ 63.541564] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.547945] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.556398] device bridge_slave_1 entered promiscuous mode [ 63.564827] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.571231] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.580307] device bridge_slave_1 entered promiscuous mode [ 63.589057] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.595632] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.603308] device bridge_slave_0 entered promiscuous mode [ 63.613340] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.619809] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.627046] device bridge_slave_1 entered promiscuous mode [ 63.635551] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.641966] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.649159] device bridge_slave_1 entered promiscuous mode [ 63.655799] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.662222] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.671019] device bridge_slave_0 entered promiscuous mode [ 63.682220] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.688760] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.698794] device bridge_slave_1 entered promiscuous mode [ 63.716227] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.722637] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.734068] device bridge_slave_1 entered promiscuous mode [ 63.855029] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.918398] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.928085] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.938409] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.952505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.967381] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.988221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.010960] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.023835] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.039606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.062624] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.095034] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.127742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.148772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.177350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.191289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.207333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.220598] team0: Port device team_slave_0 added [ 64.240483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.274176] team0: Port device team_slave_1 added [ 64.304791] team0: Port device team_slave_0 added [ 64.324075] team0: Port device team_slave_0 added [ 64.348795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.360629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.376681] team0: Port device team_slave_0 added [ 64.393610] team0: Port device team_slave_1 added [ 64.400969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.417117] team0: Port device team_slave_1 added [ 64.424866] team0: Port device team_slave_0 added [ 64.439895] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.452662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.462182] team0: Port device team_slave_1 added [ 64.472551] team0: Port device team_slave_1 added [ 64.483473] team0: Port device team_slave_0 added [ 64.497576] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.517917] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.531475] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.539400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.556983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.572881] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.584441] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.595537] team0: Port device team_slave_1 added [ 64.615042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.626090] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.641144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.649010] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.658798] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.671548] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.681552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.697236] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.709134] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.718953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.728998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.740693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.754341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.773066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.792145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.801559] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.809514] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.835215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.849036] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.862129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.869984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.877982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.885891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.909010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.922218] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.185215] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.191743] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.198446] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.204829] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.323094] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.329496] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.336127] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.342490] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.354800] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.361411] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.368049] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.374428] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.427954] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.434471] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.441124] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.447487] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.456933] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.463475] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.470179] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.476557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.538594] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.545023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.551821] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.558318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.136492] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.152778] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.169036] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.176374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.183835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.191406] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.155282] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.256591] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.277917] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.303065] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.341418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.501894] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.522583] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.539897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.605355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.619498] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.651568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.659971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.689218] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.700042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.715877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.725951] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.746920] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.821301] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.843292] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.858046] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.877764] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.909232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.919848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.097570] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.797452] XFS (loop3): Mounting V4 Filesystem [ 68.830046] XFS (loop3): Log size 9371840 blocks too large, maximum size is 1048576 blocks [ 68.838563] XFS (loop3): Log size out of supported range. [ 68.844324] XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report. [ 68.905817] XFS (loop3): totally zeroed log [ 68.913753] XFS (loop3): Metadata corruption detected at xfs_agi_verify+0x2ab/0x440, xfs_agi block 0x2 [ 68.923479] XFS (loop3): Unmount and run xfs_repair [ 68.928542] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 68.935250] 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.943666] 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.951858] 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.960432] 00000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.968721] 00000040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.976896] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.985090] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.993275] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.001611] XFS (loop3): metadata I/O error in "xfs_read_agi+0x1be/0x4f0" at daddr 0x2 len 1 error 117 [ 69.011335] XFS (loop3): xfs_imap_lookup: xfs_ialloc_read_agi() returned error -117, agno 0 [ 69.020031] XFS (loop3): Failed to read root inode 0x80, error 117 [ 69.030123] XFS (loop5): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.048562] XFS (loop4): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.107650] XFS (loop0): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.131033] XFS (loop2): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.147440] XFS (loop5): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.188135] XFS (loop1): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount 2020/02/12 01:36:59 executed programs: 6 [ 69.238748] XFS (loop4): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.257607] XFS (loop2): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.296579] XFS (loop0): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.355868] XFS (loop1): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.362292] XFS (loop5): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.485424] XFS (loop1): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.586455] XFS (loop0): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.597567] XFS (loop2): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 69.716137] XFS (loop0): Filesystem has duplicate UUID 984f0b50-42b6-4b06-bc86-cba3e6cc3f80 - can't mount [ 206.808383] INFO: task syz-executor3:5957 blocked for more than 122 seconds. [ 206.815726] Not tainted 5.6.0-rc1-syzkaller #0 [ 206.820910] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 206.828918] syz-executor3 D26232 5957 4552 0x00004004 [ 206.834714] Call Trace: [ 206.837347] __schedule+0x895/0x1900 [ 206.841128] ? __sched_text_start+0x8/0x8 [ 206.845319] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 206.850217] schedule+0xc0/0x2b0 [ 206.853621] xlog_grant_head_wait+0x123/0x9d0 [ 206.858182] xlog_grant_head_check+0x24d/0x3a0 [ 206.862929] ? xlog_grant_head_wait+0x9d0/0x9d0 [ 206.867629] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 206.872513] ? rcu_read_lock_any_held.part.8+0x50/0x50 [ 206.877903] ? xlog_grant_push_ail+0x1c4/0x240 [ 206.882610] xfs_log_reserve+0x2ea/0xa90 [ 206.886737] ? find_held_lock+0x36/0x1d0 [ 206.890941] ? xlog_ticket_alloc+0x3f0/0x3f0 [ 206.895403] ? __kasan_check_read+0x11/0x20 [ 206.899970] ? mark_lock+0xc5/0x1200 [ 206.903759] xfs_log_write_unmount_record+0x186/0x790 [ 206.909007] ? xfs_log_reserve+0xa90/0xa90 [ 206.913413] ? find_held_lock+0x36/0x1d0 [ 206.917615] ? xfs_log_force+0x8a5/0xc20 [ 206.921875] ? lock_downgrade+0x900/0x900 [ 206.926069] ? __kasan_check_write+0x14/0x20 [ 206.930521] ? do_raw_spin_lock+0x132/0x2e0 [ 206.934983] ? rwlock_bug.part.0+0x90/0x90 [ 206.939325] ? lock_acquire+0x194/0x3e0 [ 206.943369] ? _raw_spin_unlock+0x1d/0x30 [ 206.947557] ? xfs_log_force+0x8a5/0xc20 [ 206.951802] ? xlog_commit_record+0x200/0x200 [ 206.956413] ? rcu_read_lock_any_held.part.8+0x50/0x50 [ 206.962389] xfs_log_quiesce+0x3d8/0x490 [ 206.966663] ? xfs_log_write_unmount_record+0x790/0x790 [ 206.973329] xfs_log_unmount+0x1a/0xb0 [ 206.977305] xfs_log_mount_cancel+0x3a/0x50 [ 206.981801] xfs_mountfs+0x1089/0x1a00 [ 206.985798] ? xfs_default_resblks+0x60/0x60 [ 206.990300] ? rcu_read_lock_any_held.part.8+0x50/0x50 [ 206.995629] ? free_object+0x70/0x70 [ 206.999419] ? xfs_filestream_get_ag+0x40/0x40 [ 207.004089] ? init_timer_key+0xfb/0x260 [ 207.008182] ? xfs_filestream_get_ag+0x40/0x40 [ 207.013007] ? xfs_mru_cache_create+0x353/0x560 [ 207.017790] xfs_fc_fill_super+0x726/0xf80 [ 207.022078] get_tree_bdev+0x404/0x6b0 [ 207.026003] ? xfs_mount_free+0x80/0x80 [ 207.030041] xfs_fc_get_tree+0x10/0x20 [ 207.033984] vfs_get_tree+0x8b/0x2d0 [ 207.037788] ? capable+0x14/0x20 [ 207.041234] do_mount+0x1285/0x1b70 [ 207.044930] ? lock_downgrade+0x900/0x900 [ 207.049125] ? copy_mount_string+0x20/0x20 [ 207.053432] ? __kasan_check_write+0x14/0x20 [ 207.057889] ? _copy_from_user+0xd6/0x110 [ 207.062105] __x64_sys_mount+0x169/0x1c0 [ 207.066216] do_syscall_64+0xd0/0x600 [ 207.070083] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 207.075312] RIP: 0033:0x45858a [ 207.078552] Code: 48 89 ac 24 00 80 00 00 48 8d ac 24 00 80 00 00 48 8b 59 20 48 85 db 75 27 48 c7 c0 00 00 00 00 cc 48 c7 c0 01 00 00 00 cc 48 <8b> ac 24 00 80 00 00 48 81 c4 08 80 00 00 c3 e8 82 d9 ff ff eb 90 [ 207.097760] RSP: 002b:00007fe9138e0ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 207.105587] RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 000000000045858a [ 207.112930] RDX: 0000000020000040 RSI: 0000000020000100 RDI: 00007fe9138e0bf0 [ 207.120315] RBP: 0000000000000001 R08: 00000000200001c0 R09: 0000000020000040 [ 207.127636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 207.135039] R13: 0000000000000001 R14: 00000000006fed98 R15: 0000000000000000 [ 207.142564] [ 207.142564] Showing all locks held in the system: [ 207.148954] 1 lock held by khungtaskd/933: [ 207.153277] #0: ffffffff8879ed00 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x279 [ 207.161950] 1 lock held by rsyslogd/4111: [ 207.166229] 2 locks held by getty/4201: [ 207.170281] #0: ffff8881cd6fa090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 207.178566] #1: ffffc90000b5a2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1920 [ 207.187671] 2 locks held by getty/4202: [ 207.191709] #0: ffff8881d1407090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 207.200431] #1: ffffc90000b622e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1920 [ 207.209416] 2 locks held by getty/4203: [ 207.213424] #0: ffff8881ccde4090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 207.221846] #1: ffffc90000b7e2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1920 [ 207.230872] 2 locks held by getty/4204: [ 207.235042] #0: ffff8881ccdf2090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 207.243335] #1: ffffc90000b722e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1920 [ 207.252320] 2 locks held by getty/4205: [ 207.256322] #0: ffff8881ccdec090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 207.264708] #1: ffffc90000b822e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1920 [ 207.273605] 2 locks held by getty/4206: [ 207.277622] #0: ffff8881cd2cc090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 207.285909] #1: ffffc90000b6a2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1920 [ 207.294820] 2 locks held by getty/4207: [ 207.298824] #0: ffff8881d1000090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 207.307171] #1: ffffc90000b522e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1920 [ 207.316202] 1 lock held by syz-executor3/5957: [ 207.320832] #0: ffff8881c66e20d8 (&type->s_umount_key#46/1){+.+.}, at: alloc_super+0x134/0x8a0 [ 207.329875] [ 207.331541] ============================================= [ 207.331541] [ 207.338693] NMI backtrace for cpu 1 [ 207.342455] CPU: 1 PID: 933 Comm: khungtaskd Not tainted 5.6.0-rc1-syzkaller #0 [ 207.349894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.359339] Call Trace: [ 207.361964] dump_stack+0x12f/0x187 [ 207.365687] nmi_cpu_backtrace.cold.8+0x46/0x83 [ 207.370352] ? lapic_can_unplug_cpu.cold.31+0x3f/0x3f [ 207.375528] nmi_trigger_cpumask_backtrace+0x160/0x177 [ 207.380796] arch_trigger_cpumask_backtrace+0x14/0x20 [ 207.386032] watchdog+0x624/0xc30 [ 207.389500] kthread+0x334/0x3f0 [ 207.393120] ? hungtask_pm_notify+0x40/0x40 [ 207.397467] ? kthread_mod_delayed_work+0x190/0x190 [ 207.402475] ret_from_fork+0x3a/0x50 [ 207.406265] Sending NMI from CPU 1 to CPUs 0: [ 207.410888] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x12/0x20 [ 207.411832] Kernel panic - not syncing: hung_task: blocked tasks [ 207.424770] CPU: 1 PID: 933 Comm: khungtaskd Not tainted 5.6.0-rc1-syzkaller #0 [ 207.432204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.441542] Call Trace: [ 207.444124] dump_stack+0x12f/0x187 [ 207.447787] panic+0x22a/0x4f5 [ 207.451061] ? add_taint.cold.7+0x11/0x11 [ 207.455250] ? cpumask_next+0x1a/0x20 [ 207.459053] ? __kasan_check_write+0x14/0x20 [ 207.463454] ? nmi_trigger_cpumask_backtrace+0x131/0x177 [ 207.468901] watchdog+0x635/0xc30 [ 207.472347] kthread+0x334/0x3f0 [ 207.475718] ? hungtask_pm_notify+0x40/0x40 [ 207.480022] ? kthread_mod_delayed_work+0x190/0x190 [ 207.485057] ret_from_fork+0x3a/0x50 [ 207.489663] Kernel Offset: disabled [ 207.493335] Rebooting in 86400 seconds..