L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
sctp: failed to load transform for md5: -2
INFO: rcu_sched detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=1287, c=1286, q=2)
All QSes seen, last rcu_sched kthread activity 10492 (4294963916-4294953424), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.3  R  running task    28528  7760   7341 0x80000008
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:5168 [inline]
 sched_show_task.cold+0x2f0/0x351 kernel/sched/core.c:5143
 print_other_cpu_stall kernel/rcu/tree.c:1501 [inline]
 check_cpu_stall kernel/rcu/tree.c:1616 [inline]
 __rcu_pending kernel/rcu/tree.c:3390 [inline]
 rcu_pending kernel/rcu/tree.c:3452 [inline]
 rcu_check_callbacks.cold+0xcb1/0xd0a kernel/rcu/tree.c:2792
 update_process_times+0x31/0x70 kernel/time/timer.c:1590
 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:165
 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1223
 __run_hrtimer kernel/time/hrtimer.c:1223 [inline]
 __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1287
 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1321
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:lock_timer_base+0x1/0x190 kernel/time/timer.c:907
RSP: 0018:ffff8880aec07c30 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10
RAX: ffff8880a457e540 RBX: 00000000fffff2dc RCX: dffffc0000000000
RDX: 0000000000000100 RSI: ffff8880aec07ca8 RDI: ffff888080ba7010
RBP: ffff8880aec07cf0 R08: ffff8880a457e540 R09: ffff8880a457ee30
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888080ba7010
R13: dffffc0000000000 R14: ffff8880aec239c0 R15: 0000000000000000
 garp_join_timer_arm+0x5e/0x80 net/802/garp.c:401
 garp_join_timer+0x74/0x80 net/802/garp.c:414
 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279
 expire_timers kernel/time/timer.c:1318 [inline]
 __run_timers kernel/time/timer.c:1636 [inline]
 __run_timers kernel/time/timer.c:1604 [inline]
 run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 invoke_softirq kernel/softirq.c:368 [inline]
 irq_exit+0x160/0x1b0 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:648 [inline]
 smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:lock_acquire+0x1ea/0x430 kernel/locking/lockdep.c:3997
RSP: 0018:ffff88804fcb7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff0fe2ce1 RBX: ffff8880a457e540 RCX: 0000000035cdb14b
RDX: dffffc0000000000 RSI: ffff8880a457ede8 RDI: 0000000000000286
RBP: ffff88804fcb7968 R08: 0000000000003d7d R09: ffffffff8956e468
R10: ffff8880a457ede8 R11: ffff8880a457e540 R12: ffff88808d917a90
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
 __might_fault mm/memory.c:4584 [inline]
 __might_fault+0x143/0x1d0 mm/memory.c:4569
 fetch_robust_entry kernel/futex.c:3685 [inline]
 exit_robust_list kernel/futex.c:3727 [inline]
 futex_cleanup+0x269/0xc60 kernel/futex.c:3768
 futex_exit_release+0x1d/0x70 kernel/futex.c:3869
 exit_mm_release+0x1b/0x30 kernel/fork.c:1171
 exit_mm kernel/exit.c:500 [inline]
 do_exit+0x57d/0x2cd0 kernel/exit.c:845
 do_group_exit+0x111/0x330 kernel/exit.c:955
 get_signal+0x381/0x1cd0 kernel/signal.c:2418
 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45dee7
RSP: 002b:00007fee89f089c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
RAX: 0000000000000004 RBX: 00007fee89f08a58 RCX: 000000000045dee7
RDX: 0000000000000010 RSI: 0000000000000003 RDI: 0000000000000010
RBP: 000000000075bf20 R08: 000000000000000b R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000202 R12: 00007fee89f08a40
R13: 0000000000000b84 R14: 00000000004d6208 R15: 000000000075bf2c
rcu_sched kthread starved for 10492 jiffies! g1287 c1286 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
rcu_sched       R  running task    29824     9      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3384
 schedule+0x92/0x1c0 kernel/sched/core.c:3428
 schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1746
 rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404