INFO: task kworker/0:2:3080 blocked for more than 143 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:25984 pid: 3080 ppid: 2 flags:0x00004000 Workqueue: events ovs_dp_masks_rebalance Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 INFO: task kworker/1:3:8452 blocked for more than 143 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:26440 pid: 8452 ppid: 2 flags:0x00004000 Workqueue: events ovs_dp_masks_rebalance Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 INFO: task kworker/0:4:9773 blocked for more than 143 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack:25096 pid: 9773 ppid: 2 flags:0x00004000 Workqueue: events ovs_dp_masks_rebalance Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 INFO: task kworker/1:1:26412 blocked for more than 143 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:27040 pid:26412 ppid: 2 flags:0x00004000 Workqueue: events ovs_dp_masks_rebalance Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 INFO: task kworker/0:5:1485 blocked for more than 144 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:26456 pid: 1485 ppid: 2 flags:0x00004000 Workqueue: events ovs_dp_masks_rebalance Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 INFO: task kworker/1:6:10110 blocked for more than 144 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:6 state:D stack:27640 pid:10110 ppid: 2 flags:0x00004000 Workqueue: events ovs_dp_masks_rebalance Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 INFO: task kworker/1:0:2706 blocked for more than 144 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:28328 pid: 2706 ppid: 2 flags:0x00004000 Workqueue: events ovs_dp_masks_rebalance Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 INFO: task kworker/0:0:2774 blocked for more than 144 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:28536 pid: 2774 ppid: 2 flags:0x00004000 Workqueue: events ovs_dp_masks_rebalance Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 INFO: task syz-executor.3:4262 blocked for more than 144 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27840 pid: 4262 ppid: 8475 flags:0x00004004 Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_cmd_new+0x4c4/0xec0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:1707 genl_family_rcv_msg_doit+0x228/0x320 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:739 genl_family_rcv_msg syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/af_netlink.c:2494 genl_rcv+0x24/0x40 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:811 netlink_unicast_kernel syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/af_netlink.c:1919 sock_sendmsg_nosec syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:672 ____sys_sendmsg+0x6e8/0x810 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:2345 ___sys_sendmsg+0xf3/0x170 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:2399 __sys_sendmsg+0xe5/0x1b0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:2432 do_syscall_64+0x2d/0x70 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x465b09 RSP: 002b:00007f2b62f19188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc4a31efff R14: 00007f2b62f19300 R15: 0000000000022000 INFO: task syz-executor.3:4270 blocked for more than 145 seconds. Not tainted 5.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27624 pid: 4270 ppid: 8475 flags:0x00004004 Call Trace: context_switch syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4327 [inline] __schedule+0x90c/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5078 schedule+0xcf/0x270 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:5216 __mutex_lock_common syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/mutex.c:1103 ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] ovs_dp_cmd_new+0x4c4/0xec0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:1707 genl_family_rcv_msg_doit+0x228/0x320 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:739 genl_family_rcv_msg syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/af_netlink.c:2494 genl_rcv+0x24/0x40 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:811 netlink_unicast_kernel syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/af_netlink.c:1919 sock_sendmsg_nosec syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:672 ____sys_sendmsg+0x6e8/0x810 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:2345 ___sys_sendmsg+0xf3/0x170 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:2399 __sys_sendmsg+0xe5/0x1b0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/socket.c:2432 do_syscall_64+0x2d/0x70 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x465b09 RSP: 002b:00007f2b62ef8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465b09 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 R13: 00007ffc4a31efff R14: 00007f2b62ef8300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1659: #0: ffffffff8bd73da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/lockdep.c:6259 3 locks held by kworker/0:2/3080: #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc900018a7da8 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 1 lock held by systemd-journal/4893: 1 lock held by in:imklog/8171: #0: ffff88801802d9f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 syzkaller/managers/upstream-bpf-kasan-gce/kernel/fs/file.c:947 3 locks held by kworker/1:3/8452: #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc900018dfda8 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 3 locks held by kworker/0:4/9773: #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc90016297da8 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 2 locks held by kworker/1:4/9774: #0: ffff888010c7c538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c7c538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c7c538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c7c538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c7c538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c7c538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc900161e7da8 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 4 locks held by kworker/0:3/16350: #0: ffff8880b9c34c58 (&rq->lock){-.-.}-{2:2}, at: rq_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/sched.h:1320 [inline] #0: ffff8880b9c34c58 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x217/0x21a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/core.c:4995 #1: ffff8880b9c20088 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x305/0x440 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/psi.c:833 #2: ffffffff8bd73da0 (rcu_read_lock){....}-{1:2}, at: trace_sched_stat_runtime syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/trace/events/sched.h:519 [inline] #2: ffffffff8bd73da0 (rcu_read_lock){....}-{1:2}, at: update_curr+0x2e4/0x840 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/sched/fair.c:869 #3: ffffffff8fdcc918 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x12e/0x3e0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/lib/debugobjects.c:656 3 locks held by kworker/1:1/26412: #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc90008b3fda8 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 6 locks held by kworker/u4:1/1228: #0: ffff888011abb138 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888011abb138 ((wq_completion)netns){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888011abb138 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888011abb138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888011abb138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888011abb138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc9000191fda8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d445c90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xb10 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/core/net_namespace.c:566 #3: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #3: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_exit_net+0x1de/0xba0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2530 #4: ffffffff8d4590e8 (rtnl_mutex){+.+.}-{3:3}, at: internal_dev_destroy+0x6f/0x150 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/vport-internal_dev.c:183 #5: ffffffff8bd7c668 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/rcu/tree_exp.h:290 [inline] #5: ffffffff8bd7c668 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f2/0x610 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/rcu/tree_exp.h:836 3 locks held by kworker/0:5/1485: #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc9000261fda8 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 3 locks held by kworker/1:6/10110: #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc9000250fda8 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 3 locks held by kworker/1:0/2706: #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc9000180fda8 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 3 locks held by kworker/0:0/2774: #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/asm-generic/atomic-long.h:41 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:616 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:643 [inline] #0: ffff888010c62d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2246 #1: ffffc90001aafda8 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2250 #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #2: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_masks_rebalance+0x20/0xf0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:2382 2 locks held by syz-executor.3/4262: #0: ffffffff8d4e8190 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:810 #1: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #1: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_cmd_new+0x4c4/0xec0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:1707 2 locks held by syz-executor.3/4270: #0: ffffffff8d4e8190 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/netlink/genetlink.c:810 #1: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_lock syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:105 [inline] #1: ffffffff8d8a0d28 (ovs_mutex){+.+.}-{3:3}, at: ovs_dp_cmd_new+0x4c4/0xec0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/openvswitch/datapath.c:1707 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1659 Comm: khungtaskd Not tainted 5.11.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack syzkaller/managers/upstream-bpf-kasan-gce/kernel/lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 syzkaller/managers/upstream-bpf-kasan-gce/kernel/lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x44/0xd7 syzkaller/managers/upstream-bpf-kasan-gce/kernel/lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1b3/0x230 syzkaller/managers/upstream-bpf-kasan-gce/kernel/lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/hung_task.c:209 [inline] watchdog+0xd43/0xfa0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/hung_task.c:294 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 258 Comm: kworker/u4:5 Not tainted 5.11.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:lockdep_hardirqs_off+0x27/0xd0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/locking/lockdep.c:4190 Code: 00 00 00 8b 0d e6 b8 a9 04 85 c9 0f 84 b5 00 00 00 65 8b 05 7b ec 07 77 a9 00 00 f0 00 55 53 48 89 fb 74 49 8b 15 09 33 c5 06 <85> d2 74 0e 65 8b 05 da fa 07 77 85 c0 75 4e 5b 5d c3 9c 58 f6 c4 RSP: 0018:ffffc90001affbd0 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffffffff814473d3 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000 RBP: ffffffff889b4a55 R08: 0000000000000000 R09: ffff88801d498a03 R10: ffffed1003a93140 R11: 0000000000000000 R12: ffff8880590256e8 R13: ffff888059024bc0 R14: dffffc0000000000 R15: ffffffff889b4c90 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc67861f000 CR3: 0000000011f5f000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: trace_hardirqs_off+0x13/0x1b0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/trace/trace_preemptirq.c:76 __local_bh_enable_ip+0xc3/0x110 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/softirq.c:178 spin_unlock_bh syzkaller/managers/upstream-bpf-kasan-gce/kernel/./include/linux/spinlock.h:399 [inline] batadv_nc_purge_paths+0x2a5/0x3a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/batman-adv/network-coding.c:467 batadv_nc_worker+0x868/0xe50 syzkaller/managers/upstream-bpf-kasan-gce/kernel/net/batman-adv/network-coding.c:718 process_one_work+0x98d/0x15f0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-kasan-gce/kernel/kernel/kthread.c:292 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-kasan-gce/kernel/arch/x86/entry/entry_64.S:296