rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=144053, q=54)
rcu: All QSes seen, last rcu_sched kthread activity 10492 (4295086505-4295076013), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.5  R  running task    26184  9510   9601 0x00004000
Call Trace:
 <IRQ>
 sched_show_task /kernel/sched/core.c:5755 [inline]
 sched_show_task.cold+0x2ef/0x350 /kernel/sched/core.c:5730
 print_other_cpu_stall /kernel/rcu/tree_stall.h:410 [inline]
 check_cpu_stall /kernel/rcu/tree_stall.h:536 [inline]
 rcu_pending /kernel/rcu/tree.c:2736 [inline]
 rcu_sched_clock_irq.cold+0x837/0x8c0 /kernel/rcu/tree.c:2183
 update_process_times+0x32/0x80 /kernel/time/timer.c:1639
 tick_sched_handle+0xa2/0x190 /kernel/time/tick-sched.c:167
 tick_sched_timer+0x47/0x130 /kernel/time/tick-sched.c:1296
 __run_hrtimer /kernel/time/hrtimer.c:1389 [inline]
 __hrtimer_run_queues+0x364/0xd90 /kernel/time/hrtimer.c:1451
 hrtimer_interrupt+0x2ea/0x730 /kernel/time/hrtimer.c:1509
 local_apic_timer_interrupt /arch/x86/kernel/apic/apic.c:1068 [inline]
 smp_apic_timer_interrupt+0x10b/0x550 /arch/x86/kernel/apic/apic.c:1093
 apic_timer_interrupt+0xf/0x20 /arch/x86/entry/entry_64.S:828
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 /kernel/kcov.c:95
Code: 25 24 5b 19 09 41 bc f4 ff ff ff e8 2d 35 ea ff 48 c7 05 0e 5b 19 09 00 00 00 00 e9 77 e9 ff ff 90 90 90 90 90 90 90 90 90 55 <48> 89 e5 65 48 8b 04 25 c0 fd 01 00 65 8b 15 f4 a6 90 7e 81 e2 00
RSP: 0018:ffff8880577c77d0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000002 RBX: ffff888022cff330 RCX: ffffffff81bb859c
RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffff8880577c7808 R08: ffff8880a8b46480 R09: fffffbfff14a6d51
R10: fffffbfff14a6d50 R11: ffffffff8a536a87 R12: 0000000000000020
R13: 0000000077359484 R14: 0000000005f5dd04 R15: ffff8880964256b0
 touch_atime+0xce/0x2a0 /fs/inode.c:1733
 file_accessed /./include/linux/fs.h:2175 [inline]
 generic_file_buffered_read /mm/filemap.c:2278 [inline]
 generic_file_read_iter+0x182c/0x1de0 /mm/filemap.c:2344
 ext4_file_read_iter /fs/ext4/file.c:77 [inline]
 ext4_file_read_iter+0x1d6/0x420 /fs/ext4/file.c:65
 call_read_iter /./include/linux/fs.h:1864 [inline]
 generic_file_splice_read+0x4af/0x800 /fs/splice.c:307
 do_splice_to+0x127/0x180 /fs/splice.c:877
 splice_direct_to_actor+0x2d2/0x970 /fs/splice.c:954
 do_splice_direct+0x1da/0x2a0 /fs/splice.c:1063
 do_sendfile+0x597/0xd00 /fs/read_write.c:1464
 __do_sys_sendfile64 /fs/read_write.c:1525 [inline]
 __se_sys_sendfile64 /fs/read_write.c:1511 [inline]
 __x64_sys_sendfile64+0x1dd/0x220 /fs/read_write.c:1511
 do_syscall_64+0xfd/0x6a0 /arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459819
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9d3aa19c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459819
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008000fffffffe R11: 0000000000000246 R12: 00007f9d3aa1a6d4
R13: 00000000004c6e87 R14: 00000000004dc238 R15: 00000000ffffffff
rcu: rcu_sched kthread starved for 10492 jiffies! g144053 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_sched       R  running task    29048    10      2 0x80004000
Call Trace:
 context_switch /kernel/sched/core.c:3254 [inline]
 __schedule+0x772/0x1530 /kernel/sched/core.c:3880
 schedule+0xa5/0x260 /kernel/sched/core.c:3944
 schedule_timeout+0x44e/0xbc0 /kernel/time/timer.c:1807
 rcu_gp_fqs_loop /kernel/rcu/tree.c:1611 [inline]
 rcu_gp_kthread+0x835/0x1320 /kernel/rcu/tree.c:1768
 kthread+0x361/0x430 /kernel/kthread.c:255
 ret_from_fork+0x24/0x30 /arch/x86/entry/entry_64.S:352