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WARNING: kernel/rcu/tree_stall.h:1049 at rcu_check_gp_start_stall+0x2e4/0x470 kernel/rcu/tree_stall.h:1049, CPU#0: syz.3.24/6079
Modules linked in:
CPU: 0 UID: 0 PID: 6079 Comm: syz.3.24 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:rcu_check_gp_start_stall+0x2e4/0x470 kernel/rcu/tree_stall.h:1049
Code: ff ff 48 c7 c7 a0 25 d3 99 be 04 00 00 00 e8 93 db 7f 00 4c 89 f7 b8 01 00 00 00 87 05 55 b1 2a 18 85 c0 0f 85 17 ff ff ff 90 <0f> 0b 90 48 81 ff 00 6f 34 8e 74 47 48 c7 c0 a0 fe c3 8f 48 c1 e8
RSP: 0000:ffffc900034d7ab8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000a06 RCX: ffffffff81a8743d
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8e346f00
RBP: ffffc900034d7d70 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff33a64b4 R12: 0000000000002904
R13: 1ffff110170c7722 R14: ffffffff8e346f00 R15: dffffc0000000000
FS:  00007fd9a06a96c0(0000) GS:ffff8881259e6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 0000000031b8c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 rcu_core+0x6a9/0x1870 kernel/rcu/tree.c:2852
 handle_softirqs+0x27d/0x850 kernel/softirq.c:626
 __do_softirq kernel/softirq.c:660 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:727
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1056
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0033:0x7fd99f7865e7
Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d b2 62 d9 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 23 f8 fb ff 0f 1f 00 b8 27 00 00 00 0f 05 <c3> 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00
RSP: 002b:00007fd9a06a8b08 EFLAGS: 00000202
RAX: 0000000000000007 RBX: 00007fd9a06a8c70 RCX: 00007fd99f7865e7
RDX: 00007fd9a06a8b40 RSI: 00007fd9a06a8c70 RDI: 0000000000000021
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fd99f9e6038 R14: 00007ffc1a936030 R15: 00007ffc1a936118
 </TASK>