rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (0 ticks this GP) idle=cdd/1/0x4000000000000002 softirq=7940/7940 fqs=1919 
	(detected by 1, t=10505 jiffies, g=9405, q=227606)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4547 Comm: syz.0.106 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x80 kernel/kcov.c:294
Code: 28 4d 39 ca 77 22 89 ff 89 f6 4a c7 44 02 08 03 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a c3 90 <48> 8b 04 24 65 48 8b 0d 34 a1 8a 7e 65 8b 15 35 a1 8a 7e 81 e2 00
RSP: 0000:ffffc900038cf868 EFLAGS: 00000086
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 89672e6af74f6500
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8c167380
R13: dffffc0000000000 R14: ffffc900038cf940 R15: ffffc900038cf960
FS:  0000555590c75500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33e63fff CR3: 000000005a602000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 perf_swevent_get_recursion_context+0x22/0x150 kernel/events/core.c:9742
 perf_trace_buf_alloc+0x54/0x300 kernel/trace/trace_event_perf.c:414
 perf_trace_preemptirq_template+0x178/0x380 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:674
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ad 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0000:ffffc900038cfac0 EFLAGS: 00000206
RAX: 89672e6af74f6500 RBX: 1ffff92000719f5c RCX: 89672e6af74f6500
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
RBP: ffffc900038cfb98 R08: dffffc0000000000 R09: fffffbfff1ff7819
R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: ffffffff8c120b00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 do_set_pte+0x3c9/0x530 mm/memory.c:4069
 finish_fault+0x52e/0x8d0 mm/memory.c:4143
 do_shared_fault mm/memory.c:4336 [inline]
 do_fault mm/memory.c:4396 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x2157/0x43c0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f1663dda021
Code: 85 5a ff ff 48 8b 05 56 47 ea 00 0f b6 4c 24 10 be 08 00 00 00 48 89 df 83 05 32 47 ea 00 01 48 8d 50 ff 48 89 15 37 47 ea 00 <88> 48 ff 8b 2d 1e 47 ea 00 e8 51 5a ff ff 48 8b 05 2a 47 ea 00 41
RSP: 002b:00007fff18e2b740 EFLAGS: 00010202
RAX: 0000001b33e64000 RBX: 00007f1664c7e720 RCX: 0000000000000003
RDX: 0000001b33e63fff RSI: 0000000000000008 RDI: 00007f1664c7e720
RBP: 00007f166414f038 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f1664c7e700 R11: 0000000000000001 R12: 0000000000004c03
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>