------------[ cut here ]------------
SVC: permsocks remain for nfsd
WARNING: CPU: 0 PID: 9846 at net/sunrpc/svc.c:583 svc_destroy+0x2ed/0x390 net/sunrpc/svc.c:582
Modules linked in:
CPU: 0 PID: 9846 Comm: syz.3.1200 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:svc_destroy+0x2ed/0x390 net/sunrpc/svc.c:582
Code: 24 49 83 c7 20 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 52 a3 35 f8 49 8b 37 48 c7 c7 80 22 d9 8b e8 13 f0 a6 f7 <0f> 0b e9 78 fd ff ff e8 b7 25 dd f7 c6 05 04 b7 cc 04 01 4c 89 e0
RSP: 0018:ffffc90003327ae0 EFLAGS: 00010246
RAX: fbf34b75cf8a5900 RBX: ffff888026b55850 RCX: 0000000000080000
RDX: ffffc9000d8bb000 RSI: 000000000002a299 RDI: 000000000002a29a
RBP: ffffc90003327cb8 R08: ffff8880b8e28c53 R09: 1ffff110171c518a
R10: dffffc0000000000 R11: ffffed10171c518b R12: ffff888026b55800
R13: dffffc0000000000 R14: ffff888026b55850 R15: ffffffff8d3e1960
FS:  00007f82ff9c26c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f82ff9c1ff8 CR3: 0000000024e4c000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:124 [inline]
 __write_ports_addfd fs/nfsd/nfsctl.c:724 [inline]
 __write_ports fs/nfsd/nfsctl.c:788 [inline]
 write_ports+0xb1a/0xfa0 fs/nfsd/nfsctl.c:844
 nfsctl_transaction_write+0x10c/0x150 fs/nfsd/nfsctl.c:113
 vfs_write+0x299/0x9a0 fs/read_write.c:582
 ksys_write+0x151/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f82feb9de99
Code: ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f82ff9c2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f82fee25fa0 RCX: 00007f82feb9de99
RDX: 0000000000000002 RSI: 00002000000001c0 RDI: 0000000000000005
RBP: 00007f82fec33eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f82fee26038 R14: 00007f82fee25fa0 R15: 00007ffeb3fe7f98
 </TASK>