[OLK-5.10] 【syzkaller】WARNING in unregister_ftrace_direct，WARNING in modify_ftrace_direct

【标题描述】[OLK-5.10] 【syzkaller】WARNING in unregister_ftrace_direct，WARNING in modify_ftrace_direct
【环境信息】
qemu x86_64
【问题复现步骤】
概率性错误
【预期结果】
不出现WARNING
【实际结果】
描述出问题的结果 
【附件信息】
------------[ cut here ]------------
WARNING: CPU: 3 PID: 660 at kernel/trace/ftrace.c:5368 modify_ftrace_direct+0x230/0x380 kernel/trace/ftrace.c:5368
Modules linked in:
CPU: 3 PID: 660 Comm: syz-executor125 Not tainted 5.10.0-04739-g6b22541c0706-dirty #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:modify_ftrace_direct+0x230/0x380 kernel/trace/ftrace.c:5368
Code: 04 25 28 00 00 00 0f 85 69 01 00 00 48 81 c4 98 00 00 00 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 70 d1 fb ff <0f> 0b 41 bd ea ff ff ff eb 89 e8 61 d1 fb ff 4c 89 ef e8 39 fb fe
RSP: 0018:ffffc900004d7a00 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffffff84e85da0 RCX: ffffffff81470749
RDX: ffff888128504540 RSI: ffffffff81470880 RDI: ffff88812246f6e0
RBP: ffff88812246eb80 R08: ffffffff8145f860 R09: ffffc900004d79a7
R10: ffffffffa0104000 R11: 0000000000000001 R12: 1ffff9200009af43
R13: ffffffffa010a000 R14: ffffffffa0104000 R15: ffffffffa0108000
FS:  0000000001fb5880(0000) GS:ffff888265180000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004857e0 CR3: 000000012850e005 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 modify_fentry kernel/bpf/trampoline.c:120 [inline]
 bpf_trampoline_update+0x6d6/0x8b0 kernel/bpf/trampoline.c:340
 bpf_trampoline_link_prog+0x1bb/0x450 kernel/bpf/trampoline.c:418
 bpf_tracing_prog_attach+0x5e2/0x880 kernel/bpf/syscall.c:2706
 bpf_raw_tracepoint_open+0x37e/0x500 kernel/bpf/syscall.c:2853
 __do_sys_bpf kernel/bpf/syscall.c:4467 [inline]
 __se_sys_bpf+0x1d6/0x1580 kernel/bpf/syscall.c:4383
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x44b259
Code: 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe87181978 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 000000000044b259
RDX: 0000000000000010 RSI: 0000000020000140 RDI: 0000000000000011
RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000088da
R13: 0000000000000000 R14: 00000000006bb018 R15: 0000000000000000

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