rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=11961, q=163)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294957180-4294946677), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g11961 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28032 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1e0 kernel/sched/core.c:6459
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5550 Comm: syz-executor.1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:should_fail+0x139/0x4c0 lib/fault-inject.c:106
Code: 00 00 00 e8 19 ae c5 fd f0 45 29 37 eb 4a 65 4c 8b 3d 9b f4 0b 7c 49 81 c7 d4 15 00 00 4d 89 fd 49 c1 ed 03 43 0f b6 44 25 00 <84> c0 0f 85 6b 02 00 00 41 8b 2f 85 ed 0f 84 e4 fe ff ff ff cd 43
RSP: 0018:ffffc900032dfad0 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffffffff8c72cda0 RCX: ffff888023839dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8c72cda0
RBP: ffffc900032dfcb0 R08: dffffc0000000000 R09: fffffbfff1ad2dce
R10: fffffbfff1ad2dce R11: 1ffffffff1ad2dcd R12: dffffc0000000000
R13: 1ffff11004707672 R14: 0000000000000001 R15: ffff88802383b394
FS:  00007fa68f2e56c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa68f2e4d80 CR3: 0000000063871000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __copy_to_user include/linux/uaccess.h:144 [inline]
 save_xstate_epilog arch/x86/kernel/fpu/signal.c:104 [inline]
 copy_fpstate_to_sigframe+0x887/0xb90 arch/x86/kernel/fpu/signal.c:217
 get_sigframe arch/x86/kernel/signal.c:295 [inline]
 __setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:780 [inline]
 handle_signal arch/x86/kernel/signal.c:824 [inline]
 arch_do_signal_or_restart+0x67a/0x1300 arch/x86/kernel/signal.c:869
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa68ff63ee7
Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89
RSP: 002b:00007fa68f2e5178 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007fa690092f88 RCX: 00007fa68ff63ee9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa690092f88
RBP: 00007fa690092f80 R08: 00007fa68f2e56c0 R09: 00007fa68f2e56c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa690092f8c
R13: 000000000000000b R14: 00007ffc077cbbe0 R15: 00007ffc077cbcc8
 </TASK>