rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=967/1/0x4000000000000002 softirq=8839/8842 fqs=2099 
	(detected by 1, t=10506 jiffies, g=10325, q=4277)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4841 Comm: syz-executor.0 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:irqentry_exit+0x1b/0x80 kernel/entry/common.c:407
Code: b0 01 5b c3 eb e7 66 0f 1f 84 00 00 00 00 00 83 3d 9d aa ca 03 00 74 16 65 8b 05 00 49 c2 75 85 c0 75 0b 65 8b 05 25 46 c2 75 <85> c0 75 0e f6 87 88 00 00 00 03 74 10 e9 53 ff ff ff 0f 0b f6 87
RSP: 0018:ffffc900035cf210 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88802ab6d940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900035cf218
RBP: 0000000000000000 R08: ffffffff815528e6 R09: ffffed1027fe3c81
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04a948eed8 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x520 kernel/rcu/tree_plugin.h:671
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 6d 6d 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0018:ffffc900035cf2c0 EFLAGS: 00000206
RAX: 227226fcf5665200 RBX: 1ffff920006b9e60 RCX: ffffffff816352a8
RDX: dffffc0000000000 RSI: ffffffff8aab2b60 RDI: ffffffff8af9fc80
RBP: ffffc900035cf398 R08: dffffc0000000000 R09: fffffbfff2132019
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8cb23500
R13: ffff88802ab6dd98 R14: ffffc900035cf300 R15: 1ffff920006b9e5c
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 __unlock_page_memcg+0xfd/0x110 mm/memcontrol.c:2095
 zap_pte_range mm/memory.c:1384 [inline]
 zap_pmd_range mm/memory.c:1505 [inline]
 zap_pud_range mm/memory.c:1534 [inline]
 zap_p4d_range mm/memory.c:1555 [inline]
 unmap_page_range+0xffa/0x2630 mm/memory.c:1576
 unmap_vmas+0x1f8/0x390 mm/memory.c:1653
 exit_mmap+0x3b6/0x620 mm/mmap.c:3204
 __mmput+0x112/0x3b0 kernel/fork.c:1127
 exit_mm+0x688/0x7f0 kernel/exit.c:550
 do_exit+0x626/0x2480 kernel/exit.c:861
 do_group_exit+0x144/0x310 kernel/exit.c:996
 get_signal+0xc66/0x14e0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 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+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9d95e4eda9
Code: Unable to access opcode bytes at RIP 0x7f9d95e4ed7f.
RSP: 002b:00007f9d951cf178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9d95f7cf88 RCX: 00007f9d95e4eda9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9d95f7cf88
RBP: 00007f9d95f7cf80 R08: 00007f9d951cf6c0 R09: 00007f9d951cf6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d95f7cf8c
R13: 000000000000000b R14: 00007ffcc7c30640 R15: 00007ffcc7c30728
 </TASK>