[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 43.971320] IPVS: ftp: loaded support on port[0] = 21 [ 44.294204] tipc: TX() has been purged, node left! [ 44.543686] can: request_module (can-proto-0) failed. [ 47.309448] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. 2020/02/16 09:21:03 parsed 1 programs 2020/02/16 09:21:04 executed programs: 0 [ 55.776848] IPVS: ftp: loaded support on port[0] = 21 [ 55.776853] IPVS: ftp: loaded support on port[0] = 21 [ 55.813666] IPVS: ftp: loaded support on port[0] = 21 [ 55.821675] IPVS: ftp: loaded support on port[0] = 21 [ 55.828316] IPVS: ftp: loaded support on port[0] = 21 [ 55.889692] IPVS: ftp: loaded support on port[0] = 21 [ 55.982358] chnl_net:caif_netlink_parms(): no params data found [ 55.997714] chnl_net:caif_netlink_parms(): no params data found [ 56.117125] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.123604] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.130941] device bridge_slave_0 entered promiscuous mode [ 56.143272] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.150504] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.157557] device bridge_slave_1 entered promiscuous mode [ 56.165149] chnl_net:caif_netlink_parms(): no params data found [ 56.173441] chnl_net:caif_netlink_parms(): no params data found [ 56.218082] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.226564] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.233506] device bridge_slave_0 entered promiscuous mode [ 56.242223] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.248726] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.256108] device bridge_slave_1 entered promiscuous mode [ 56.272834] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.287874] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.314059] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.320532] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.327678] device bridge_slave_0 entered promiscuous mode [ 56.360745] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.370248] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.377045] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.384168] device bridge_slave_1 entered promiscuous mode [ 56.390373] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.397092] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.404304] device bridge_slave_0 entered promiscuous mode [ 56.423927] chnl_net:caif_netlink_parms(): no params data found [ 56.433030] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.448994] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.455511] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.462382] device bridge_slave_1 entered promiscuous mode [ 56.470798] team0: Port device team_slave_0 added [ 56.481307] team0: Port device team_slave_1 added [ 56.518980] team0: Port device team_slave_0 added [ 56.534425] chnl_net:caif_netlink_parms(): no params data found [ 56.548859] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.562663] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.572943] team0: Port device team_slave_1 added [ 56.627042] device hsr_slave_0 entered promiscuous mode [ 56.664674] device hsr_slave_1 entered promiscuous mode [ 56.711771] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.741208] team0: Port device team_slave_0 added [ 56.750263] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.782052] team0: Port device team_slave_0 added [ 56.788777] team0: Port device team_slave_1 added [ 56.796849] team0: Port device team_slave_1 added [ 56.806651] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.813574] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.823703] device bridge_slave_0 entered promiscuous mode [ 56.886803] device hsr_slave_0 entered promiscuous mode [ 56.924603] device hsr_slave_1 entered promiscuous mode [ 56.965131] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.972356] Cannot create hsr debugfs directory [ 56.982749] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.989332] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.996976] device bridge_slave_1 entered promiscuous mode [ 57.008472] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.015389] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.022730] device bridge_slave_0 entered promiscuous mode [ 57.077001] device hsr_slave_0 entered promiscuous mode [ 57.114492] device hsr_slave_1 entered promiscuous mode [ 57.174230] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.181164] Cannot create hsr debugfs directory [ 57.202417] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.209031] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.216323] device bridge_slave_1 entered promiscuous mode [ 57.276522] device hsr_slave_0 entered promiscuous mode [ 57.314433] device hsr_slave_1 entered promiscuous mode [ 57.364232] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.371160] Cannot create hsr debugfs directory [ 57.385189] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.409360] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.423573] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.443140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.475907] team0: Port device team_slave_0 added [ 57.483098] team0: Port device team_slave_0 added [ 57.490608] team0: Port device team_slave_1 added [ 57.518445] team0: Port device team_slave_1 added [ 57.577851] device hsr_slave_0 entered promiscuous mode [ 57.614535] device hsr_slave_1 entered promiscuous mode [ 57.674292] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.681205] Cannot create hsr debugfs directory [ 57.710415] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.716895] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.747623] device hsr_slave_0 entered promiscuous mode [ 57.784680] device hsr_slave_1 entered promiscuous mode [ 57.824428] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.831401] Cannot create hsr debugfs directory [ 57.903544] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.944577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.955744] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.966443] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.977301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.985450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.997418] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.006658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.020892] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.035041] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.057193] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.063288] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.072395] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.079905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.086953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.094007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.104568] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.112489] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.123410] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.129819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.141830] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.159810] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.168759] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.176312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.184478] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.192221] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.198664] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.206161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.214524] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.222171] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.228744] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.236288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.244029] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.250576] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.269902] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.280962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.288175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.297220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.306639] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.313021] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.320253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.327194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.334313] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.342110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.349880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.358245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.366079] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.372521] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.404750] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.416599] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.433770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.442229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.450306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.459223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.466671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.474905] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.482628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.490917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.499128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.507132] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.515126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.522882] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.530738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.538849] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.547219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.554871] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.562550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.570574] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.578612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.586785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.594734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.602436] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.610274] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.618372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.627728] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.635044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.641945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.650103] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.658965] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.665365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.673273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.681348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.689346] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.695778] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.702606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.711031] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.718784] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.725972] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.733043] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.740125] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.749421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.759904] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.796743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.805399] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.813184] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.819599] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.828879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.837212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.844880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.852463] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.861841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.869827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.877902] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.885790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.893548] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.901255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.909113] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.917042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.924988] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.932541] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.940861] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.949579] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.959547] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.968672] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.982312] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.001900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.013581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.021725] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.028174] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.043428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.063919] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.084639] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.091862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.107058] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.117184] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.123556] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.131303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.139651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.147799] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.154221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.161366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.169659] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.177868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.205139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.213034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.222720] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.231279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.239391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.248211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.256340] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.265100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.272960] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.282818] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.289994] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.300096] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.312799] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.346826] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.382126] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.393394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.417662] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.434090] hrtimer: interrupt took 34416 ns [ 59.450488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.458698] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.467235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.475406] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.485471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.493361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.515531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.578339] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.653213] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.424065] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.430593] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7617 [ 165.437614] (detected by 1, t=10503 jiffies, g=5553, q=439) [ 165.443443] syz-executor.1 R running task 25944 7617 7585 0x00004000 [ 165.450651] Call Trace: [ 165.453253] __schedule+0x856/0x1910 [ 165.456986] ? __sched_text_start+0x8/0x8 [ 165.461128] ? retint_kernel+0x1b/0x2b [ 165.465022] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 165.469629] ? preempt_schedule_irq+0x5e/0x120 [ 165.474310] ? trace_hardirqs_on+0x28/0x1b0 [ 165.478665] preempt_schedule_irq+0x8b/0x120 [ 165.483128] retint_kernel+0x1b/0x2b [ 165.486842] RIP: 0010:lock_acquire+0x212/0x410 [ 165.491428] Code: 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 cd 01 00 00 48 83 3d f2 ad 00 07 00 0f 84 54 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b [ 165.510770] RSP: 0018:ffff88807da4f4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 165.518568] RAX: dffffc0000000000 RBX: ffff88809c778280 RCX: 1ffff1100fb49e7d [ 165.525858] RDX: 1ffffffff10a6c8f RSI: 0000000000000008 RDI: 0000000000000286 [ 165.533394] RBP: ffff88807da4f4e8 R08: fffffbfff1394ded R09: fffffbfff1394ded [ 165.540669] R10: ffff88809c778b40 R11: ffff88809c778280 R12: 0000000000000000 [ 165.547945] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 [ 165.555863] ? __unwind_start+0x29/0x410 [ 165.559948] is_bpf_text_address+0x2d/0xe0 [ 165.564193] ? __bpf_address_lookup+0x260/0x260 [ 165.568866] kernel_text_address+0x79/0x110 [ 165.573273] __kernel_text_address+0xd/0x40 [ 165.577605] unwind_get_return_address+0x61/0xa0 [ 165.582364] ? profile_setup.cold.14+0xa0/0xa0 [ 165.586948] arch_stack_walk+0xa0/0xf0 [ 165.590851] stack_trace_save+0x82/0xb0 [ 165.594832] ? stack_trace_consume_entry+0x170/0x170 [ 165.599949] ? __kasan_check_read+0x11/0x20 [ 165.604268] ? mark_lock+0xc5/0x11d0 [ 165.607994] save_stack+0x21/0x90 [ 165.611473] ? save_stack+0x21/0x90 [ 165.615103] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 165.620208] ? kasan_slab_alloc+0x12/0x20 [ 165.624346] ? __kmalloc+0x14a/0x790 [ 165.628067] ? iter_file_splice_write+0x12c/0xb80 [ 165.632912] ? direct_splice_actor+0x107/0x1c0 [ 165.637599] ? splice_direct_to_actor+0x348/0x960 [ 165.642434] ? do_splice_direct+0x14c/0x270 [ 165.646901] ? do_sendfile+0x481/0xd10 [ 165.650788] ? __x64_sys_sendfile64+0x12e/0x1e0 [ 165.655468] ? do_syscall_64+0xd0/0x600 [ 165.659443] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.664809] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.669578] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 165.674297] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.679059] ? trace_hardirqs_on_caller+0x28/0x1a0 [ 165.684023] ? find_held_lock+0x36/0x1d0 [ 165.688095] ? __kasan_check_read+0x11/0x20 [ 165.692418] ? mark_lock+0xc5/0x11d0 [ 165.696138] ? mark_held_locks+0xb8/0x130 [ 165.702922] ? kasan_unpoison_shadow+0x35/0x50 [ 165.707515] __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 165.712475] kasan_slab_alloc+0x12/0x20 [ 165.716456] __kmalloc+0x14a/0x790 [ 165.720001] ? atime_needs_update+0x1ca/0x570 [ 165.724506] ? iter_file_splice_write+0x12c/0xb80 [ 165.729358] iter_file_splice_write+0x12c/0xb80 [ 165.734037] ? ext4_file_read_iter+0x194/0x540 [ 165.738629] ? generic_file_splice_read+0x4fd/0x7b0 [ 165.743766] ? page_cache_pipe_buf_steal+0x1f0/0x1f0 [ 165.748894] ? rw_verify_area+0xc5/0x2b0 [ 165.752967] direct_splice_actor+0x107/0x1c0 [ 165.757475] splice_direct_to_actor+0x348/0x960 [ 165.762167] ? pipe_to_sendpage+0x4b0/0x4b0 [ 165.766502] ? do_splice_to+0x130/0x130 [ 165.770485] ? rw_verify_area+0xc5/0x2b0 [ 165.774550] do_splice_direct+0x14c/0x270 [ 165.778715] ? rcu_read_lock_any_held+0xcd/0xf0 [ 165.783384] ? splice_direct_to_actor+0x960/0x960 [ 165.788361] ? __sb_start_write+0x222/0x330 [ 165.792693] do_sendfile+0x481/0xd10 [ 165.796436] ? do_compat_pwritev64+0x190/0x190 [ 165.801034] ? __kasan_check_write+0x14/0x20 [ 165.805443] __x64_sys_sendfile64+0x12e/0x1e0 [ 165.809958] ? __ia32_sys_sendfile+0x1d0/0x1d0 [ 165.814544] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.819904] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 165.824509] ? do_syscall_64+0x21/0x600 [ 165.828483] ? trace_hardirqs_on+0x28/0x1b0 [ 165.832958] do_syscall_64+0xd0/0x600 [ 165.836774] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.841988] RIP: 0033:0x457f79 [ 165.845197] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.864109] RSP: 002b:00007fc6bc363c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 165.871970] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457f79 [ 165.879249] RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 165.886526] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 165.893801] R10: 00008080fffffffe R11: 0000000000000246 R12: 00007fc6bc3646d4 [ 165.901187] R13: 00000000004c4e6e R14: 00000000004d8b98 R15: 00000000ffffffff [ 165.908857] rcu: rcu_preempt kthread starved for 10550 jiffies! g5553 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 165.919431] rcu: RCU grace-period kthread stack dump: [ 165.924626] rcu_preempt I29360 10 2 0x80004000 [ 165.930271] Call Trace: [ 165.932873] __schedule+0x856/0x1910 [ 165.936614] ? __sched_text_start+0x8/0x8 [ 165.940843] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 165.945991] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 165.950740] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 165.955889] schedule+0xc3/0x2b0 [ 165.959285] schedule_timeout+0x38b/0xad0 [ 165.963448] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 165.968040] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 165.973156] ? usleep_range+0x130/0x130 [ 165.977142] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 165.982256] ? prepare_to_swait_event+0x130/0x390 [ 165.987213] ? __next_timer_interrupt+0x100/0x100 [ 165.992081] rcu_gp_kthread+0x9f2/0x1890 [ 165.996194] ? rcu_note_context_switch+0x1b30/0x1b30 [ 166.001314] ? __kthread_parkme+0x47/0x1a0 [ 166.005569] ? __kthread_parkme+0xc8/0x1a0 [ 166.009801] ? __kasan_check_read+0x11/0x20 [ 166.014124] kthread+0x334/0x3f0 [ 166.017500] ? rcu_note_context_switch+0x1b30/0x1b30 [ 166.022612] ? kthread_mod_delayed_work+0x190/0x190 [ 166.027642] ret_from_fork+0x3a/0x50