------------[ cut here ]------------ WARNING: CPU: 0 PID: 3927 at kernel/rcu/tree_stall.h:937 rcu_check_gp_start_stall+0x2c8/0x450 kernel/rcu/tree_stall.h:922 Modules linked in: CPU: 0 PID: 3927 Comm: syz-executor.1 Not tainted 5.15.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:rcu_check_gp_start_stall+0x2c8/0x450 kernel/rcu/tree_stall.h:937 Code: c7 c7 60 3c 43 91 be 04 00 00 00 e8 e2 9c 5e 00 b8 01 00 00 00 87 05 b7 a2 d7 0f 85 c0 0f 85 1c ff ff ff 48 c7 c0 80 3a 92 8c <0f> 0b 49 39 c7 74 47 48 c7 c0 44 96 e4 8d 48 c1 e8 03 42 0f b6 04 RSP: 0000:ffffc90003147b38 EFLAGS: 00010046 RAX: ffffffff8c923a80 RBX: 0000000100020d71 RCX: ffffffff816b999e RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff91433c60 RBP: ffffc90003147d70 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000246 R15: ffffffff8c923a80 FS: 00005555556bc480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002006b000 CR3: 00000000746bd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_core+0x657/0x1650 kernel/rcu/tree.c:2758 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0033:0x7f67975204f0 Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d da 9c 04 00 e8 15 78 fa ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 RSP: 002b:00007ffd0ce2bc38 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000001786f0 RCX: 00007f67974f8d69 RDX: 00007ffd0ce2bc40 RSI: 00007ffd0ce2bd70 RDI: 0000000000000021 RBP: 00007ffd0ce2c2e0 R08: 0000000000000010 R09: 00000000000010a6 R10: 00007ffd0ce2c2c0 R11: 0000000000000246 R12: 0000000000178722 R13: 00007f679762705c R14: 00007ffd0ce2c2c0 R15: 0000000000000032