------------[ cut here ]------------ SVC: permsocks remain for nfsd WARNING: CPU: 1 PID: 6335 at net/sunrpc/svc.c:645 svc_destroy+0x2ed/0x390 net/sunrpc/svc.c:644 Modules linked in: CPU: 1 PID: 6335 Comm: syz.3.125 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:svc_destroy+0x2ed/0x390 net/sunrpc/svc.c:644 Code: 24 49 83 c7 20 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 42 82 2d f8 49 8b 37 48 c7 c7 e0 11 fa 8b e8 e3 2a 9e f7 <0f> 0b e9 78 fd ff ff e8 b7 7c d4 f7 c6 05 9c ee c4 05 01 4c 89 e0 RSP: 0018:ffffc9000bb2fae0 EFLAGS: 00010246 RAX: 58b346b6fb54a700 RBX: ffff888031ac0850 RCX: 0000000000080000 RDX: ffffc9000d253000 RSI: 000000000002fa08 RDI: 000000000002fa09 RBP: ffffc9000bb2fcb8 R08: ffffc9000bb2f6e7 R09: 1ffff92001765edc R10: dffffc0000000000 R11: fffff52001765edd R12: ffff888031ac0800 R13: dffffc0000000000 R14: ffff888031ac0850 R15: ffffffff8e3e1cc0 FS: 00007f2e93eb26c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e92fecc40 CR3: 0000000027826000 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: 0033:0x7f2e92f9f559 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:00007f2e93eb2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2e93225fa0 RCX: 00007f2e92f9f559 RDX: 0000000000000005 RSI: 0000200000000180 RDI: 0000000000000003 RBP: 00007f2e93036b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2e93226038 R14: 00007f2e93225fa0 R15: 00007ffe3e5fd248