rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=f14c/1/0x4000000000000000 softirq=9882/9883 fqs=5246
	(t=10501 jiffies g=10333 q=12952 ncpus=2)
CPU: 0 PID: 4423 Comm: syz.0.17 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:bpf_send_signal_common+0x1c/0x420 kernel/trace/bpf_trace.c:845
Code: 48 c7 c7 c0 7a 91 8a 5b e9 51 55 80 08 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00 00 00 89 74 24 18 <89> 7c 24 1c 65 48 8b 04 25 28 00 00 00 48 89 44 24 60 49 bd 00 00
RSP: 0018:ffffc90003407d00 EFLAGS: 00000286
RAX: ffffffff818a7b39 RBX: 0000000000000011 RCX: ffff88803089bb80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000011
RBP: ffffc90003407dc0 R08: dffffc0000000000 R09: fffffbfff215bc49
R10: fffffbfff215bc49 R11: 1ffffffff215bc48 R12: ffffc90002e04048
R13: 1ffff920005c0805 R14: 0000000000000000 R15: ffffc90002e04030
FS:  0000555568bfa500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002953e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ____bpf_send_signal kernel/trace/bpf_trace.c:888 [inline]
 bpf_send_signal+0x15/0x20 kernel/trace/bpf_trace.c:886
 bpf_prog_7ba5217f62dcd359+0x38/0x3c
 bpf_dispatcher_nop_func include/linux/bpf.h:1001 [inline]
 __bpf_prog_run include/linux/filter.h:603 [inline]
 bpf_prog_run include/linux/filter.h:610 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2285 [inline]
 bpf_trace_run2+0x1cd/0x3b0 kernel/trace/bpf_trace.c:2324
 __bpf_trace_sys_enter+0x60/0x70 include/trace/events/syscalls.h:18
 trace_sys_enter+0x6b/0x80 include/trace/events/syscalls.h:18
 syscall_trace_enter+0xf0/0x150 kernel/entry/common.c:81
 do_syscall_64+0x24/0xa0 arch/x86/entry/common.c:77
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9d3b32add9
Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
RSP: 002b:00007fffe624c900 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
RAX: ffffffffffffffda RBX: 00007f9d3b5b5fa8 RCX: 00007f9d3b32add9
RDX: 00007fffe624c900 RSI: 00007fffe624ca30 RDI: 0000000000000011
RBP: 0000000000000000 R08: 002dc46fcfd341a8 R09: 00000007e624d18f
R10: 0000000000000005 R11: 0000000000000246 R12: 00007f9d3b5b5fac
R13: 00007f9d3b5b5fa0 R14: 0000000000000095 R15: 0000000000000003
 </TASK>