EXT4-fs (loop4): VFS: Found ext4 filesystem with unknown checksum algorithm.
ip6_tunnel: ip6tnl2 xmit: Local address not yet configured!
ip6_tunnel: ip6tnl3 xmit: Local address not yet configured!
INFO: rcu_sched self-detected stall on CPU
	1-...: (10499 ticks this GP) idle=8cd/140000000000001/0 softirq=182572/182573 fqs=5034 
	 (t=10500 jiffies g=2252 c=2251 q=4)
Task dump for CPU 1:
syz-executor.5  R  running task    26808  5819   2097 0x0000000c
 ffff8801db707c40 ffffffff813fc731 ffffffff813fc530 0000000000000002
 0000000000000001 ffff8801db721000 dffffc0000000000 ffffffff830d6b88
 ffffffff830d6bc0 ffff8801db707c60 ffffffff813fcbfc ffffffff830d6b40
Call Trace:
 <IRQ> [ 2366.350143]  [<000000006090357d>] sched_show_task.cold+0x27f/0x327 kernel/sched/core.c:5312
 [<0000000069c6f2d1>] dump_cpu_task+0x7a/0x7f kernel/sched/core.c:9050
 [<00000000741da597>] rcu_dump_cpu_stacks+0x193/0x1c3 kernel/rcu/tree.c:1303
 [<000000001a1eafc6>] print_cpu_stall kernel/rcu/tree.c:1446 [inline]
 [<000000001a1eafc6>] check_cpu_stall kernel/rcu/tree.c:1514 [inline]
 [<000000001a1eafc6>] __rcu_pending kernel/rcu/tree.c:3495 [inline]
 [<000000001a1eafc6>] rcu_pending kernel/rcu/tree.c:3559 [inline]
 [<000000001a1eafc6>] rcu_check_callbacks.cold+0x44a/0xd2f kernel/rcu/tree.c:2888
 [<00000000029813e2>] update_process_times+0x31/0x70 kernel/time/timer.c:1629
 [<000000006cf9670f>] tick_sched_handle.isra.0+0x4a/0xf0 kernel/time/tick-sched.c:151
 [<000000004dbbbd48>] tick_sched_timer+0x7a/0x130 kernel/time/tick-sched.c:1190
 [<00000000b044d77a>] __run_hrtimer kernel/time/hrtimer.c:1255 [inline]
 [<00000000b044d77a>] __hrtimer_run_queues+0x313/0xe00 kernel/time/hrtimer.c:1319
 [<00000000b3cfb7a9>] hrtimer_interrupt+0x1b6/0x450 kernel/time/hrtimer.c:1353
 [<00000000c247430c>] local_apic_timer_interrupt+0x76/0xa0 arch/x86/kernel/apic/apic.c:937
 [<00000000d777e2a7>] smp_apic_timer_interrupt+0x79/0xb0 arch/x86/kernel/apic/apic.c:961
 [<00000000fcb0ea26>] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:648
 <EOI> [ 2366.466561]  [<000000008a42eab3>] ? perf_output_read_group kernel/events/core.c:5742 [inline]
 <EOI> [ 2366.466561]  [<000000008a42eab3>] ? perf_output_read+0x66e/0x12e0 kernel/events/core.c:5779
 [<000000008a42eab3>] perf_output_read_group kernel/events/core.c:5742 [inline]
 [<000000008a42eab3>] perf_output_read+0x66e/0x12e0 kernel/events/core.c:5779
 [<00000000ce566cba>] perf_output_sample+0x1142/0x17e0 kernel/events/core.c:5821
 [<000000005dc3b871>] __perf_event_output kernel/events/core.c:6093 [inline]
 [<000000005dc3b871>] perf_event_output_forward+0x129/0x240 kernel/events/core.c:6106
 [<00000000fda9442d>] __perf_event_overflow+0x121/0x330 kernel/events/core.c:7206
 [<000000001d9c8d22>] perf_swevent_overflow+0x17c/0x210 kernel/events/core.c:7282
 [<00000000df0b5229>] perf_swevent_event+0x1ac/0x280 kernel/events/core.c:7315
 [<000000007474d9c5>] do_perf_sw_event kernel/events/core.c:7423 [inline]
 [<000000007474d9c5>] ___perf_sw_event+0x299/0x4c0 kernel/events/core.c:7454
 [<000000008b06745e>] __perf_sw_event+0x47/0x90 kernel/events/core.c:7466
 [<00000000e351864a>] perf_sw_event include/linux/perf_event.h:1045 [inline]
 [<00000000e351864a>] __do_page_fault+0x6cd/0xa60 arch/x86/mm/fault.c:1447
 [<000000004e60ac6a>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1469
 [<0000000043642e7f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:951
 [<000000004c981203>] pipe_write+0x25a/0xe40 fs/pipe.c:447
 [<000000001813f77f>] new_sync_write fs/read_write.c:498 [inline]
 [<000000001813f77f>] __vfs_write+0x3c1/0x560 fs/read_write.c:511
 [<00000000675e8011>] vfs_write+0x185/0x520 fs/read_write.c:559
 [<000000001fd3f5ab>] SYSC_write fs/read_write.c:606 [inline]
 [<000000001fd3f5ab>] SyS_write+0xdc/0x1c0 fs/read_write.c:598
 [<0000000036c5b2b9>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285
 [<00000000f7141e26>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
INFO: rcu_preempt self-detected stall on CPU[ 2366.850045] INFO: rcu_preempt detected stalls on CPUs/tasks:
	1-...: (10479 ticks this GP) idle=8cd/140000000000001/0 softirq=182573/182573 fqs=5028 
	
(detected by 0, t=10534 jiffies, g=70802, c=70801, q=11322)
Task dump for CPU 1:
syz-executor.5  R
  running task    26808  5819   2097 0x8000000c
 0000000000000000 0000000005080021 0000000000000010 ffff880149f977d0
 ffffffff81244221 ffff880149f97888 0000000000000246 ffff880149f97820
 ffffffff81bb55fc 0000000000000000 000060fe2460c400Call Trace:
	1-...: (10479 ticks this GP) idle=8cd/140000000000001/0 softirq=182573/182573 fqs=5029 
	 (t=10534 jiffies g=70802 c=70801 q=11322)
Task dump for CPU 1:
syz-executor.5  R  running task    26808  5819   2097 0x8000000c
 ffff8801db707c40 ffffffff813fc731 ffffffff813fc530 0000000000000002
 0000000000000001 ffff8801db721000 dffffc0000000000 ffffffff830d5948
 ffffffff830d5980 ffff8801db707c60 ffffffff813fcbfc ffffffff830d5900
Call Trace:
 <IRQ> [ 2367.185269]  [<000000006090357d>] sched_show_task.cold+0x27f/0x327 kernel/sched/core.c:5312
 [<0000000069c6f2d1>] dump_cpu_task+0x7a/0x7f kernel/sched/core.c:9050
 [<00000000741da597>] rcu_dump_cpu_stacks+0x193/0x1c3 kernel/rcu/tree.c:1303
 [<000000001a1eafc6>] print_cpu_stall kernel/rcu/tree.c:1446 [inline]
 [<000000001a1eafc6>] check_cpu_stall kernel/rcu/tree.c:1514 [inline]
 [<000000001a1eafc6>] __rcu_pending kernel/rcu/tree.c:3495 [inline]
 [<000000001a1eafc6>] rcu_pending kernel/rcu/tree.c:3559 [inline]
 [<000000001a1eafc6>] rcu_check_callbacks.cold+0x44a/0xd2f kernel/rcu/tree.c:2888
 [<00000000029813e2>] update_process_times+0x31/0x70 kernel/time/timer.c:1629
 [<000000006cf9670f>] tick_sched_handle.isra.0+0x4a/0xf0 kernel/time/tick-sched.c:151
 [<000000004dbbbd48>] tick_sched_timer+0x7a/0x130 kernel/time/tick-sched.c:1190
 [<00000000b044d77a>] __run_hrtimer kernel/time/hrtimer.c:1255 [inline]
 [<00000000b044d77a>] __hrtimer_run_queues+0x313/0xe00 kernel/time/hrtimer.c:1319
 [<00000000b3cfb7a9>] hrtimer_interrupt+0x1b6/0x450 kernel/time/hrtimer.c:1353
 [<00000000c247430c>] local_apic_timer_interrupt+0x76/0xa0 arch/x86/kernel/apic/apic.c:937
 [<00000000d777e2a7>] smp_apic_timer_interrupt+0x79/0xb0 arch/x86/kernel/apic/apic.c:961
 [<00000000fcb0ea26>] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:648
 <EOI> [ 2367.303301]  [<000000008a42eab3>] ? perf_output_read_group kernel/events/core.c:5742 [inline]
 <EOI> [ 2367.303301]  [<000000008a42eab3>] ? perf_output_read+0x66e/0x12e0 kernel/events/core.c:5779
 [<000000008a42eab3>] perf_output_read_group kernel/events/core.c:5742 [inline]
 [<000000008a42eab3>] perf_output_read+0x66e/0x12e0 kernel/events/core.c:5779
 [<00000000ce566cba>] perf_output_sample+0x1142/0x17e0 kernel/events/core.c:5821
 [<000000005dc3b871>] __perf_event_output kernel/events/core.c:6093 [inline]
 [<000000005dc3b871>] perf_event_output_forward+0x129/0x240 kernel/events/core.c:6106
 [<00000000fda9442d>] __perf_event_overflow+0x121/0x330 kernel/events/core.c:7206
 [<000000001d9c8d22>] perf_swevent_overflow+0x17c/0x210 kernel/events/core.c:7282
 [<00000000df0b5229>] perf_swevent_event+0x1ac/0x280 kernel/events/core.c:7315
 [<000000007474d9c5>] do_perf_sw_event kernel/events/core.c:7423 [inline]
 [<000000007474d9c5>] ___perf_sw_event+0x299/0x4c0 kernel/events/core.c:7454
 [<000000008b06745e>] __perf_sw_event+0x47/0x90 kernel/events/core.c:7466
 [<00000000e351864a>] perf_sw_event include/linux/perf_event.h:1045 [inline]
 [<00000000e351864a>] __do_page_fault+0x6cd/0xa60 arch/x86/mm/fault.c:1447
 [<000000004e60ac6a>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1469
 [<0000000043642e7f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:951
 [<000000004c981203>] pipe_write+0x25a/0xe40 fs/pipe.c:447
 [<000000001813f77f>] new_sync_write fs/read_write.c:498 [inline]
 [<000000001813f77f>] __vfs_write+0x3c1/0x560 fs/read_write.c:511
 [<00000000675e8011>] vfs_write+0x185/0x520 fs/read_write.c:559
 [<000000001fd3f5ab>] SYSC_write fs/read_write.c:606 [inline]
 [<000000001fd3f5ab>] SyS_write+0xdc/0x1c0 fs/read_write.c:598
 [<0000000036c5b2b9>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285
 [<00000000f7141e26>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... } 10884 jiffies s: 52813 root: 0x2/.
blocking rcu_node structures:
Task dump for CPU 1:
syz-executor.5  R  running task    26808  5819   2097 0x8000000c
 0000000000000000 0000000000000000 0000000005080021 0000000000000010
 ffff880149f977d0 ffffffff81244221 ffff880149f97888 0000000000000246
 ffff880149f97820 ffffffff81bb55fc 0000000000000000 000060fe2460c400
Call Trace: