INFO: task syz.6.566:8369 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.566       state:D stack:24920 pid:8369  tgid:8369  ppid:6387   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x14bc/0x5000
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1350
 perf_event_ctx_lock_nested+0x38f/0x460
 perf_event_release_kernel+0xda/0x510
 perf_release+0x38/0x50
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xff/0x4f0
 do_syscall_64+0x2d0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6083d8f7c9
RSP: 002b:00007fff6c81db68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f6083fe7da0 RCX: 00007f6083d8f7c9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f6083fe7da0 R08: 0000000000000220 R09: 0000001e6c81de5f
R10: 00007f6083fe7cb0 R11: 0000000000000246 R12: 000000000002f81b
R13: 00007f6083fe6180 R14: ffffffffffffffff R15: 00007fff6c81dc80
 </TASK>
INFO: task syz.6.566:8385 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.566       state:D stack:28440 pid:8385  tgid:8369  ppid:6387   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x14bc/0x5000
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1350
 perf_trace_init+0x50/0x2d0
 perf_tp_event_init+0x8d/0x120
 perf_try_init_event+0x17f/0x870
 perf_event_alloc+0x1430/0x2d50
 __se_sys_perf_event_open+0x756/0x1d90
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6083d8f7c9
RSP: 002b:00007f6084bbc038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f6083fe6090 RCX: 00007f6083d8f7c9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000200
RBP: 00007f6083df297f R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6083fe6128 R14: 00007f6083fe6090 R15: 00007fff6c81da08
 </TASK>
INFO: task syz.7.567:8371 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.567       state:D stack:24920 pid:8371  tgid:8371  ppid:6505   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x14bc/0x5000
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1350
 perf_trace_destroy+0x2e/0x150
 __free_event+0x346/0x7e0
 perf_event_release_kernel+0x45b/0x510
 perf_release+0x38/0x50
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xff/0x4f0
 do_syscall_64+0x2d0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3867d8f7c9
RSP: 002b:00007ffec55b05c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f3867fe7da0 RCX: 00007f3867d8f7c9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f3867fe7da0 R08: 0000000000000210 R09: 0000001ec55b08bf
R10: 00007f3867fe7cb0 R11: 0000000000000246 R12: 000000000002f82a
R13: 00007f3867fe6090 R14: ffffffffffffffff R15: 00007ffec55b06e0
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8df41a20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
7 locks held by kworker/u11:0/55:
 #0: ffff88817566f948 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc9000141fb80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8880211dcec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8880211dc0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30
 #4: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
 #5: ffff88817566e338 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x7b/0x5b0
 #6: ffffffff8df47578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3b9/0x730
3 locks held by kworker/u10:18/5026:
 #0: ffff888100089948 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc9000a50fb80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
4 locks held by kworker/u11:1/5228:
 #0: ffff88818f963948 ((wq_completion)hci8#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc90009b0fb80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7e980c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x920
 #3: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x51c/0x920
1 lock held by dhcpcd/5583:
 #0: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_newaddr+0x5b7/0xd20
2 locks held by getty/5663:
 #0: ffff8881141240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000356e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460
1 lock held by sshd/5802:
5 locks held by kworker/u11:2/5840:
 #0: ffff888112402948 ((wq_completion)hci5){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc90004d87b80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7aecec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8881a7aec0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30
 #4: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
5 locks held by kworker/u11:3/5845:
 #0: ffff888102f96948 ((wq_completion)hci0){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc90004dc7b80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff88816fb9cec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88816fb9c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30
 #4: ffffffff8df47578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730
4 locks held by kworker/u11:4/5846:
 #0: ffff88818f966148 ((wq_completion)hci7#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc90004dd7b80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7f180c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x920
 #3: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x51c/0x920
4 locks held by kworker/u8:4/5868:
 #0: ffff888100ef7948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc90005317b80 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffffffff8f304c70 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xf7/0x7a0
 #3: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: wg_netns_pre_exit+0x1c/0x200
3 locks held by kworker/1:9/6000:
 #0: ffff888100076948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc90004457b80 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0xa1/0xf00
3 locks held by kworker/u8:5/6080:
 #0: ffff888111344148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc90004257b80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30
1 lock held by syz.8.564/8363:
 #0: ffffffff8dfa9128 (event_mutex){+.+.}-{4:4}, at: perf_trace_destroy+0x2e/0x150
1 lock held by syz.6.566/8369:
 #0: ffff88816ed314a8 (&ctx->mutex){+.+.}-{4:4}, at: perf_event_ctx_lock_nested+0x38f/0x460
5 locks held by syz.6.566/8370:
3 locks held by syz.6.566/8385:
 #0: ffffffff998f3298 (&pmus_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x2c/0x60
 #1: ffffffff998f3298 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc+0x1062/0x2d50
 #2: ffffffff8dfa9128 (event_mutex){+.+.}-{4:4}, at: perf_trace_init+0x50/0x2d0
1 lock held by syz.7.567/8371:
 #0: ffffffff8dfa9128 (event_mutex){+.+.}-{4:4}, at: perf_trace_destroy+0x2e/0x150
7 locks held by syz-executor/8395:
 #0: ffff88816f1a6420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x211/0xb30
 #1: ffff88816eb69488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1de/0x540
 #2: ffff88810ace9e18 (kn->active#48){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x231/0x540
 #3: ffffffff8eb9fa68 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x360
 #4: ffff8881b76d70e8 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb6/0x800
 #5: ffff8881b8eb5250 (&devlink->lock_key#3){+.+.}-{4:4}, at: nsim_drv_remove+0x50/0x160
 #6: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0xed/0x680
1 lock held by dhcpcd/8416:
 #0: ffff8881b5529a08 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: sock_close+0x9b/0x240
1 lock held by dhcpcd/8417:
 #0: ffff8881b552c408 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: sock_close+0x9b/0x240
1 lock held by dhcpcd/8418:
 #0: ffff8881b552ac08 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: sock_close+0x9b/0x240
1 lock held by dhcpcd/8419:
 #0: ffff8881b5528e08 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: sock_close+0x9b/0x240
1 lock held by dhcpcd/8420:
 #0: ffff8881b6fc3e08 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: sock_close+0x9b/0x240
1 lock held by syz-executor/8424:
 #0: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0
1 lock held by syz-executor/8426:
 #0: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0
1 lock held by syz-executor/8430:
 #0: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0
5 locks held by kworker/u11:5/8431:
 #0: ffff88816a0cd948 ((wq_completion)hci2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc9000847fb80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff888116c60ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff888116c600c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30
 #4: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
4 locks held by kworker/u11:6/8432:
 #0: ffff8881b7eaf148 ((wq_completion)hci6#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc900084dfb80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7f1c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x920
 #3: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x51c/0x920
1 lock held by dhcpcd/8434:
 #0: ffff8881b0d28260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xcd0
4 locks held by kworker/u11:7/8435:
 #0: ffff888028a91948 ((wq_completion)hci10#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc9000843fb80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7a9c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x920
 #3: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x51c/0x920
1 lock held by syz-executor/8439:
 #0: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0
1 lock held by syz-executor/8440:
 #0: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0
4 locks held by kworker/u11:8/8443:
 #0: ffff888022518148 ((wq_completion)hci9#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc9000854fb80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7a240c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x920
 #3: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x51c/0x920
4 locks held by kworker/u11:9/8444:
 #0: ffff8880219bd148 ((wq_completion)hci11#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc9000853fb80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7fac0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x920
 #3: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x51c/0x920
1 lock held by syz-executor/8448:
 #0: ffffffff8f311d08 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0
5 locks held by kworker/u11:11/8451:
 #0: ffff888112400148 ((wq_completion)hci4){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc9000860fb80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7bc8ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8881a7bc80c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30
 #4: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
5 locks held by kworker/u11:12/8452:
 #0: ffff88816f48a148 ((wq_completion)hci3){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
 #1: ffffc9000861fb80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
 #2: ffff8881a7bb4ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8881a7bb40c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30
 #4: ffffffff8f483788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xf95/0xfe0
 kthread+0x711/0x8a0
 ret_from_fork+0x599/0xb30
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 8370 Comm: syz.6.566 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:irqentry_exit+0x0/0x660
Code: ff ff f3 0f 1e fa bf 02 00 00 00 e8 2a 13 00 00 e9 3b ff ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 83 3d 67 85
RSP: 0018:ffffc90000005d00 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: fc17f0614fee2f00
RDX: 0000000000010100 RSI: 0000000000000000 RDI: ffffc90000005d08
RBP: 0000000000000000 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f6084bdd6c0(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c379b02 CR3: 00000001b111c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_release+0x80/0x3b0
Code: a8 e3 0d 00 0f 84 3e 02 00 00 65 8b 05 89 4e e0 10 85 c0 0f 85 2f 02 00 00 65 4c 8b 3c 25 08 b0 7e 92 41 83 bf 2c 0b 00 00 00 <0f> 85 18 02 00 00 49 81 3e c0 63 42 93 0f 84 0b 02 00 00 48 c7 44
RSP: 0018:ffffc90000005db0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f6083df2901 RCX: fc17f0614fee2f00
RDX: ffffffff900c3800 RSI: ffffffff8bc082c0 RDI: ffffffff8bc08280
RBP: dffffc0000000000 R08: 0000000000000022 R09: ffffffff8df41a20
R10: ffffc90000005f38 R11: ffffffff81ada120 R12: 00007f6084bdd038
R13: ffffffff81743f85 R14: ffffffff8df41a20 R15: ffff8881b26e8000
 unwind_next_frame+0x1ab1/0x23d0
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kmem_cache_free+0x197/0x620
 skb_scrub_packet+0x2c8/0x3d0
 __dev_forward_skb2+0x28f/0x730
 veth_xmit+0x45d/0xd50
 dev_hard_start_xmit+0x2cd/0x800
 __dev_queue_xmit+0x1493/0x3140
 br_dev_queue_push_xmit+0x6c5/0x890
 NF_HOOK+0x61b/0x6b0
 br_nf_post_routing+0xb66/0xfe0
 nf_hook_slow+0xc5/0x220
 NF_HOOK+0x215/0x3c0
 br_forward_finish+0xd3/0x130
 br_nf_forward_finish+0xa40/0xe60
 NF_HOOK+0x61b/0x6b0
 br_nf_forward_ip+0x647/0x7e0
 nf_hook_slow+0xc5/0x220
 NF_HOOK+0x215/0x3c0
 __br_forward+0x41e/0x600
 maybe_deliver+0xb5/0x160
 br_flood+0x31a/0x6a0
 br_handle_frame_finish+0x15a3/0x1c90
 br_nf_hook_thresh+0x3c6/0x4a0
 br_nf_pre_routing_finish_ipv6+0x999/0xd60
 br_nf_pre_routing_ipv6+0x37e/0x6b0
 br_handle_frame+0x96e/0x14f0
 __netif_receive_skb_core+0x95f/0x2f90
 __netif_receive_skb+0x72/0x380
 process_backlog+0x622/0x1500
 __napi_poll+0xae/0x320
 net_rx_action+0x672/0xe50
 handle_softirqs+0x27d/0x850
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:finish_task_switch+0x242/0x940
Code: 0f 84 c2 01 00 00 48 85 db 0f 85 e9 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 28 4a cc 09 e8 83 75 37 00 fb 4c 8b 65 c0 <49> 8d bc 24 48 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90005c67738 EFLAGS: 00000282
RAX: fc17f0614fee2f00 RBX: 0000000000000000 RCX: fc17f0614fee2f00
RDX: 0000000000000006 RSI: ffffffff8d792409 RDI: ffffffff8bc082e0
RBP: ffffc90005c67790 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: ffff8881b26e8000
R13: dffffc0000000000 R14: ffff888102adba80 R15: ffff88812103b498
 __schedule+0x14c4/0x5000
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 smp_call_function_single+0x470/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x1966/0x1d90
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6083d8f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6084bdd038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f6083fe5fa0 RCX: 00007f6083d8f7c9
RDX: bfffffffffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f6083df297f R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6083fe6038 R14: 00007f6083fe5fa0 R15: 00007fff6c81da08
 </TASK>
