------------[ cut here ]------------ SVC: permsocks remain for nfsd WARNING: CPU: 1 PID: 6201 at net/sunrpc/svc.c:583 svc_destroy+0x2ed/0x390 net/sunrpc/svc.c:582 Modules linked in: CPU: 1 PID: 6201 Comm: syz.0.77 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 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 62 a7 35 f8 49 8b 37 48 c7 c7 a0 20 d9 8b e8 93 f2 a6 f7 <0f> 0b e9 78 fd ff ff e8 d7 24 dd f7 c6 05 f6 b7 cc 04 01 4c 89 e0 RSP: 0000:ffffc9000bbdfae0 EFLAGS: 00010246 RAX: cb3f66d02483e600 RBX: ffff88807ca7f850 RCX: 0000000000080000 RDX: ffffc9000c851000 RSI: 000000000002be18 RDI: 000000000002be19 RBP: ffffc9000bbdfcb8 R08: ffffc9000bbdf6e7 R09: 1ffff9200177bedc R10: dffffc0000000000 R11: fffff5200177bedd R12: ffff88807ca7f800 R13: dffffc0000000000 R14: ffff88807ca7f850 R15: ffffffff8d3e18e0 FS: 00007fa195c726c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff389d15000 CR3: 000000005e281000 CR4: 00000000003506e0 Call Trace: kref_put include/linux/kref.h:65 [inline] svc_put include/linux/sunrpc/svc.h:124 [inline] __write_ports_addxprt fs/nfsd/nfsctl.c:765 [inline] __write_ports fs/nfsd/nfsctl.c:791 [inline] write_ports+0xb99/0xfa0 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: 0033:0x7fa194d9e019 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:00007fa195c72028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa195025fa0 RCX: 00007fa194d9e019 RDX: 0000000000000009 RSI: 0000200000001700 RDI: 0000000000000004 RBP: 00007fa194e3500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa195026038 R14: 00007fa195025fa0 R15: 00007ffce083c208