Warning: Permanently added '10.128.0.140' (ECDSA) to the list of known hosts. syzkaller login: [ 1426.726518] IPVS: ftp: loaded support on port[0] = 21 [ 1426.832832] chnl_net:caif_netlink_parms(): no params data found [ 1426.956561] bridge0: port 1(bridge_slave_0) entered blocking state [ 1426.963887] bridge0: port 1(bridge_slave_0) entered disabled state [ 1426.972021] device bridge_slave_0 entered promiscuous mode [ 1426.979365] bridge0: port 2(bridge_slave_1) entered blocking state [ 1426.985849] bridge0: port 2(bridge_slave_1) entered disabled state [ 1426.993187] device bridge_slave_1 entered promiscuous mode [ 1427.010879] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1427.020703] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1427.040037] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1427.047537] team0: Port device team_slave_0 added [ 1427.054439] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1427.062570] team0: Port device team_slave_1 added [ 1427.077976] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1427.084480] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1427.110680] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1427.123372] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1427.129611] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1427.160012] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1427.171077] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1427.178984] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1427.198668] device hsr_slave_0 entered promiscuous mode [ 1427.204656] device hsr_slave_1 entered promiscuous mode [ 1427.210634] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1427.218722] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1427.283915] bridge0: port 2(bridge_slave_1) entered blocking state [ 1427.290370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1427.297223] bridge0: port 1(bridge_slave_0) entered blocking state [ 1427.303728] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1427.335578] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1427.341696] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1427.349502] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1427.359128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1427.368707] bridge0: port 1(bridge_slave_0) entered disabled state [ 1427.377135] bridge0: port 2(bridge_slave_1) entered disabled state [ 1427.384813] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1427.396110] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1427.402350] 8021q: adding VLAN 0 to HW filter on device team0 [ 1427.411358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1427.418957] bridge0: port 1(bridge_slave_0) entered blocking state [ 1427.425362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1427.435286] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1427.443348] bridge0: port 2(bridge_slave_1) entered blocking state [ 1427.449667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1427.465264] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1427.473412] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1427.487985] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1427.497951] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1427.508793] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1427.515811] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1427.523708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1427.531979] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1427.539568] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1427.552844] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1427.560083] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1427.566927] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1427.577239] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1427.589088] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1427.599497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1427.629809] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1427.638467] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1427.645153] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1427.654337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1427.662432] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1427.669244] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1427.678180] device veth0_vlan entered promiscuous mode [ 1427.688087] device veth1_vlan entered promiscuous mode [ 1427.694538] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1427.703702] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1427.716522] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1427.726003] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1427.734151] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1427.742305] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1427.751930] device veth0_macvtap entered promiscuous mode [ 1427.758268] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1427.766797] device veth1_macvtap entered promiscuous mode [ 1427.775718] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1427.786307] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1427.796349] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1427.803435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1427.812038] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1427.821998] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 1427.828852] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1427.835629] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1427.843576] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1427.966882] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1427.974513] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1427.995280] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1428.006072] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready executing program [ 1428.014712] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1428.023676] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1428.030795] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1428.037896] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1485.649033] ieee802154 phy0 wpan0: encryption failed: -22 [ 1485.654759] ieee802154 phy1 wpan1: encryption failed: -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1547.086871] ieee802154 phy0 wpan0: encryption failed: -22 [ 1547.092492] ieee802154 phy1 wpan1: encryption failed: -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1608.521579] ieee802154 phy0 wpan0: encryption failed: -22 [ 1608.527189] ieee802154 phy1 wpan1: encryption failed: -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1669.959439] ieee802154 phy0 wpan0: encryption failed: -22 [ 1669.965071] ieee802154 phy1 wpan1: encryption failed: -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1731.395800] ieee802154 phy0 wpan0: encryption failed: -22 [ 1731.401545] ieee802154 phy1 wpan1: encryption failed: -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1772.864005] [ 1772.865644] ====================================================== [ 1772.871935] WARNING: possible circular locking dependency detected [ 1772.878226] 4.19.211-syzkaller #0 Not tainted [ 1772.882692] ------------------------------------------------------ [ 1772.888990] syz-executor728/12995 is trying to acquire lock: [ 1772.894757] 000000001eb09c18 (&rs->rs_recv_lock){....}, at: rds_wake_sk_sleep+0x1d/0xc0 [ 1772.902885] [ 1772.902885] but task is already holding lock: [ 1772.908834] 0000000063aa4bb2 (&(&rm->m_rs_lock)->rlock){....}, at: rds_send_remove_from_sock+0x278/0x8b0 [ 1772.918441] [ 1772.918441] which lock already depends on the new lock. [ 1772.918441] [ 1772.926827] [ 1772.926827] the existing dependency chain (in reverse order) is: [ 1772.934430] [ 1772.934430] -> #1 (&(&rm->m_rs_lock)->rlock){....}: [ 1772.940919] rds_message_put+0x198/0xd00 [ 1772.945480] rds_inc_put+0xf9/0x140 [ 1772.949704] rds_clear_recv_queue+0x147/0x350 [ 1772.954706] rds_release+0xc6/0x350 [ 1772.958835] __sock_release+0xcd/0x2a0 [ 1772.963226] sock_close+0x15/0x20 [ 1772.967180] __fput+0x2ce/0x890 [ 1772.970965] task_work_run+0x148/0x1c0 [ 1772.975355] exit_to_usermode_loop+0x251/0x2a0 [ 1772.980529] do_syscall_64+0x538/0x620 [ 1772.984919] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1772.990604] [ 1772.990604] -> #0 (&rs->rs_recv_lock){....}: [ 1772.996476] _raw_read_lock_irqsave+0x93/0xd0 [ 1773.001474] rds_wake_sk_sleep+0x1d/0xc0 [ 1773.006033] rds_send_remove_from_sock+0xb1/0x8b0 [ 1773.011375] rds_send_path_drop_acked+0x2de/0x3c0 [ 1773.016723] rds_tcp_write_space+0x199/0x650 [ 1773.021631] tcp_check_space+0x407/0x6f0 [ 1773.026192] tcp_rcv_established+0x916/0x1ef0 [ 1773.031183] tcp_v4_do_rcv+0x5d6/0x870 [ 1773.035584] __release_sock+0x134/0x3a0 [ 1773.040750] release_sock+0x54/0x1b0 [ 1773.044999] do_tcp_setsockopt.constprop.0+0x42e/0x2340 [ 1773.050861] tcp_setsockopt+0xb2/0xd0 [ 1773.055164] kernel_setsockopt+0x106/0x1c0 [ 1773.059915] rds_tcp_xmit_path_complete+0xbf/0x100 [ 1773.065342] rds_send_xmit+0x13b5/0x2290 [ 1773.069900] rds_sendmsg+0x289d/0x2ea0 [ 1773.074291] sock_sendmsg+0xc3/0x120 [ 1773.078524] __sys_sendto+0x21a/0x320 [ 1773.082831] __x64_sys_sendto+0xdd/0x1b0 [ 1773.087391] do_syscall_64+0xf9/0x620 [ 1773.091688] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1773.097369] [ 1773.097369] other info that might help us debug this: [ 1773.097369] [ 1773.105485] Possible unsafe locking scenario: [ 1773.105485] [ 1773.111618] CPU0 CPU1 [ 1773.116357] ---- ---- [ 1773.120998] lock(&(&rm->m_rs_lock)->rlock); [ 1773.125472] lock(&rs->rs_recv_lock); [ 1773.131857] lock(&(&rm->m_rs_lock)->rlock); [ 1773.138844] lock(&rs->rs_recv_lock); [ 1773.142705] [ 1773.142705] *** DEADLOCK *** [ 1773.142705] [ 1773.148740] 3 locks held by syz-executor728/12995: [ 1773.153655] #0: 00000000589d3912 (k-sk_lock-AF_INET){+.+.}, at: do_tcp_setsockopt.constprop.0+0x13f/0x2340 [ 1773.163519] #1: 00000000b5d5c10f (k-clock-AF_INET){++.-}, at: rds_tcp_write_space+0x25/0x650 [ 1773.172188] #2: 0000000063aa4bb2 (&(&rm->m_rs_lock)->rlock){....}, at: rds_send_remove_from_sock+0x278/0x8b0 [ 1773.182229] [ 1773.182229] stack backtrace: [ 1773.186706] CPU: 1 PID: 12995 Comm: syz-executor728 Not tainted 4.19.211-syzkaller #0 [ 1773.194648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1773.203982] Call Trace: [ 1773.206556] dump_stack+0x1fc/0x2ef [ 1773.210171] print_circular_bug.constprop.0.cold+0x2d7/0x41e [ 1773.215950] __lock_acquire+0x30c9/0x3ff0 [ 1773.220080] ? mark_held_locks+0xf0/0xf0 [ 1773.224122] ? mark_held_locks+0xf0/0xf0 [ 1773.228175] ? rds_tcp_xmit_path_complete+0xbf/0x100 [ 1773.233263] ? rds_send_xmit+0x13b5/0x2290 [ 1773.237479] ? rds_sendmsg+0x289d/0x2ea0 [ 1773.241517] ? sock_sendmsg+0xc3/0x120 [ 1773.245382] ? __sys_sendto+0x21a/0x320 [ 1773.249334] ? __x64_sys_sendto+0xdd/0x1b0 [ 1773.253551] ? do_syscall_64+0xf9/0x620 [ 1773.257510] ? __lock_acquire+0x6de/0x3ff0 [ 1773.261724] lock_acquire+0x170/0x3c0 [ 1773.265532] ? rds_wake_sk_sleep+0x1d/0xc0 [ 1773.269749] ? rds_send_remove_from_sock+0x278/0x8b0 [ 1773.274832] _raw_read_lock_irqsave+0x93/0xd0 [ 1773.279305] ? rds_wake_sk_sleep+0x1d/0xc0 [ 1773.283524] rds_wake_sk_sleep+0x1d/0xc0 [ 1773.287645] rds_send_remove_from_sock+0xb1/0x8b0 [ 1773.292465] rds_send_path_drop_acked+0x2de/0x3c0 [ 1773.297286] ? tcp_data_queue+0x971/0x4730 [ 1773.301502] ? rds_tcp_recv_exit+0x20/0x20 [ 1773.305720] ? rds_send_remove_from_sock+0x8b0/0x8b0 [ 1773.310800] ? rds_tcp_write_space+0x25/0x650 [ 1773.315273] ? sk_stream_wait_close+0x320/0x320 [ 1773.319916] rds_tcp_write_space+0x199/0x650 [ 1773.324303] tcp_check_space+0x407/0x6f0 [ 1773.328341] tcp_rcv_established+0x916/0x1ef0 [ 1773.332859] ? __release_sock+0xd0/0x3a0 [ 1773.336897] ? tcp_data_queue+0x4730/0x4730 [ 1773.341197] tcp_v4_do_rcv+0x5d6/0x870 [ 1773.345063] __release_sock+0x134/0x3a0 [ 1773.349020] release_sock+0x54/0x1b0 [ 1773.352714] do_tcp_setsockopt.constprop.0+0x42e/0x2340 [ 1773.358055] ? tcp_get_md5sig_pool+0xc0/0xc0 [ 1773.362445] ? mark_held_locks+0xf0/0xf0 [ 1773.366573] ? rds_tcp_is_acked+0xb0/0xb0 [ 1773.370706] tcp_setsockopt+0xb2/0xd0 [ 1773.374533] kernel_setsockopt+0x106/0x1c0 [ 1773.378753] rds_tcp_xmit_path_complete+0xbf/0x100 [ 1773.383661] ? rds_tcp_xmit_path_prepare+0x100/0x100 [ 1773.388743] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1773.393324] ? rds_tcp_xmit_path_prepare+0x100/0x100 [ 1773.398408] rds_send_xmit+0x13b5/0x2290 [ 1773.402466] ? rds_send_drop_acked+0xc0/0xc0 [ 1773.406854] rds_sendmsg+0x289d/0x2ea0 [ 1773.411069] ? __fget+0x32f/0x510 [ 1773.414522] ? rds_send_drop_to+0x13c0/0x13c0 [ 1773.419012] ? aa_af_perm+0x230/0x230 [ 1773.422792] ? do_dup2+0x450/0x450 [ 1773.426316] ? rds_send_drop_to+0x13c0/0x13c0 [ 1773.430819] sock_sendmsg+0xc3/0x120 [ 1773.434511] __sys_sendto+0x21a/0x320 [ 1773.438294] ? __ia32_sys_getpeername+0xb0/0xb0 [ 1773.442942] ? __sys_bind+0x111/0x250 [ 1773.446726] ? __ia32_sys_socketpair+0xf0/0xf0 [ 1773.451299] ? __se_sys_futex+0x28f/0x3b0 [ 1773.455423] ? __se_sys_futex+0x298/0x3b0 [ 1773.459553] ? do_futex+0x1880/0x1880 [ 1773.463338] __x64_sys_sendto+0xdd/0x1b0 [ 1773.467381] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1773.471945] do_syscall_64+0xf9/0x620 [ 1773.475726] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1773.480895] RIP: 0033:0x7f31e6ecc079 [ 1773.484594] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 18 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1773.503475] RSP: 002b:00007f31e6e71308 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 1773.511161] RAX: ffffffffffffffda RBX: 00007f31e6f53268 RCX: 00007f31e6ecc079 [ 1773.518422] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 1773.525672] RBP: 00007f31e6f53260 R08: 0000000000000000 R09: 0000000000000000 [ 1773.532919] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31e6f1a74c [ 1773.540168] R13: 00007ffed006e09f R14: 00007f31e6e71400 R15: 0000000000022000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program