------------[ cut here ]------------
WARNING: CPU: 0 PID: 16 at kernel/rcu/tree_stall.h:1001 rcu_check_gp_start_stall+0x2dc/0x460 kernel/rcu/tree_stall.h:993
Modules linked in:
CPU: 0 PID: 16 Comm: ksoftirqd/0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:rcu_check_gp_start_stall+0x2dc/0x460 kernel/rcu/tree_stall.h:1001
Code: ff ff ff 48 c7 c7 a0 f4 ee 96 be 04 00 00 00 e8 ba ac 6c 00 48 89 df b8 01 00 00 00 87 05 ac bc 7e 15 85 c0 0f 85 19 ff ff ff <0f> 0b 48 81 ff 80 50 d3 8c 74 47 48 c7 c0 9c b4 4a 8e 48 c1 e8 03
RSP: 0018:ffffc90000157a18 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffffff8cd35080 RCX: ffffffff817037e6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8cd35080
RBP: ffffc90000157c90 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff2ddde94 R12: 0000000000002904
R13: 1ffff110171c7a22 R14: 0000000000000a06 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000167000 CR3: 000000002b144000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 rcu_core+0x612/0x1720 kernel/rcu/tree.c:2462
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 run_ksoftirqd+0x9c/0xf0 kernel/softirq.c:950
 smpboot_thread_fn+0x635/0xa00 kernel/smpboot.c:164
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>