系统版本：nfs 客户端是 X86 PVE 上的虚拟机 Ubuntu 22.04
设备环境：飞牛是在 X86 PVE 上的虚拟机
BUG现象：
[ 265.513734] fh_update: .git/tyH17d3 still negative!
[ 265.513759] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 265.513769] #PF: supervisor read access in kernel mode
[ 265.513778] #PF: error_code(0x0000) - not-present page
[ 265.513787] PGD 0 P4D 0
[ 265.513795] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 265.513805] CPU: 1 UID: 0 PID: 2088 Comm: nfsd Tainted: P OE 6.12.18-trim #211
[ 265.513820] Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
[ 265.513830] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 4.2025.05-2 11/13/2025
[ 265.513842] RIP: 0010:__fh_verify+0x1ad/0x7c0 [nfsd]
[ 265.513880] Code: cd 4c 89 fa 48 89 de e8 51 87 fe ff 65 ff 0d 52 f5 05 3e 0f 85 d6 fe ff ff 0f 1f 44 00 00 e9 cc fe ff ff 49 8b 46 30 41 8b 16 <0f> b7 00 66 45 85 ed 0f 84 b5 02 00 00 66 25 00 f0 66 41 39 c5 0f
[ 265.513901] RSP: 0018:ffffb87b05fd3d10 EFLAGS: 00010246
[ 265.513910] RAX: 0000000000000000 RBX: ffff976374884000 RCX: ffff9762c5186600
[ 265.513920] RDX: 0000000000000088 RSI: ffff9763819a4d98 RDI: 0000000000000000
[ 265.513931] RBP: ffff9762c55bfa00 R08: ffffb87b05fd3c10 R09: 0000000000000000
[ 265.513942] R10: ffffb87b05fd3c68 R11: ffff9762d28c8580 R12: ffff976374884160
[ 265.513951] R13: 0000000000000000 R14: ffff9764adec1cc0 R15: ffff97637486c028
[ 265.513964] FS: 0000000000000000(0000) GS:ffff97662fc80000(0000) knlGS:0000000000000000
[ 265.513975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 265.513985] CR2: 0000000000000000 CR3: 00000001815fe000 CR4: 0000000000750ef0
[ 265.513997] PKRU: 55555554
[ 265.514003] Call Trace:
[ 265.514011]
[ 265.514019] ? __die+0x1f/0x60
[ 265.514038] ? page_fault_oops+0x155/0x510
[ 265.514051] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.514059] ? do_user_addr_fault+0x63/0x670
[ 265.514069] ? exc_page_fault+0x72/0x190
[ 265.514078] ? asm_exc_page_fault+0x22/0x30
[ 265.514092] ? __fh_verify+0x1ad/0x7c0 [nfsd]
[ 265.514121] ? nfsd4_encode_nfs_fh4+0x45/0x80 [nfsd]
[ 265.514381] fh_verify+0x3d/0x60 [nfsd]
[ 265.514601] nfsd4_getattr+0x16/0x80 [nfsd]
[ 265.514815] nfsd4_proc_compound+0x34c/0x670 [nfsd]
[ 265.515055] nfsd_dispatch+0xf4/0x210 [nfsd]
[ 265.515262] svc_process_common+0x30c/0x720 [sunrpc]
[ 265.515487] ? __pfx_nfsd_dispatch+0x10/0x10 [nfsd]
[ 265.515698] svc_process+0x12d/0x1c0 [sunrpc]
[ 265.515915] svc_recv+0x806/0x9e0 [sunrpc]
[ 265.516136] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 265.516348] nfsd+0x9f/0x100 [nfsd]
[ 265.516556] kthread+0xdd/0x110
[ 265.516753] ? __pfx_kthread+0x10/0x10
[ 265.516943] ret_from_fork+0x30/0x50
[ 265.517134] ? __pfx_kthread+0x10/0x10
[ 265.517342] ret_from_fork_asm+0x1a/0x30
[ 265.517534]
出现频率：必现
联系方式：飞牛私有云 fnOS505 SpaceSum
日志文件：
系统 BUG：进入日志应用-更多-系统诊断日志，上传到社区
APP端 BUG：进入 APP-设置-APP 日志上报，上报后提供设备 ID
飞牛同步：进入飞牛同步-设置-导出日志文件
请注意：系统诊断日志、APP 日志、飞牛同步日志不是同一种日志，请按实际问题提供对应日志
附件过大无法上传时，可通过飞牛外链分享或百度网盘提供日志文件。
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