------------[ cut here ]------------ WARNING: CPU: 0 PID: 15599 at fs/kernfs/dir.c:36 kernfs_active+0x119/0x150 fs/kernfs/dir.c:36 Modules linked in: CPU: 0 PID: 15599 Comm: syz-executor.5 Not tainted 6.1.0-rc4-syzkaller-00362-gfef7fd48922d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:kernfs_active+0x119/0x150 fs/kernfs/dir.c:36 Code: e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1f 8b 5b 04 31 ff 89 de e8 e6 6d 7e ff 89 d8 5b f7 d0 5d c1 e8 1f c3 e8 07 71 7e ff <0f> 0b eb a5 48 89 ef e8 5b c7 ca ff eb d7 48 c7 c7 4c 65 e2 8d e8 RSP: 0018:ffffc9000574fbc0 EFLAGS: 00010216 RAX: 00000000000000bf RBX: ffff8881400f32b8 RCX: ffffc90004062000 RDX: 0000000000040000 RSI: ffffffff81fe3b79 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881400f32b8 R13: ffff888077314000 R14: 0000000000000000 R15: 00000000000000fe FS: 00007f0d2b142700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2eb21000 CR3: 0000000026aee000 CR4: 0000000000350ef0 Call Trace: kernfs_find_and_get_node_by_id+0x84/0x170 fs/kernfs/dir.c:708 __kernfs_fh_to_dentry+0xdb/0x270 fs/kernfs/mount.c:102 exportfs_decode_fh_raw+0x127/0x7d0 fs/exportfs/expfs.c:435 exportfs_decode_fh+0x38/0x90 fs/exportfs/expfs.c:575 do_handle_to_path fs/fhandle.c:152 [inline] handle_to_path fs/fhandle.c:207 [inline] do_handle_open+0x2b6/0x8b0 fs/fhandle.c:223 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0d2a48b639 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0d2b142168 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 RAX: ffffffffffffffda RBX: 00007f0d2a5abf80 RCX: 00007f0d2a48b639 RDX: 0000000000000840 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007f0d2a4e67e1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe101507cf R14: 00007f0d2b142300 R15: 0000000000022000