------------[ cut here ]------------ WARNING: CPU: 1 PID: 7443 at fs/kernfs/dir.c:36 kernfs_active+0x119/0x150 fs/kernfs/dir.c:36 Modules linked in: CPU: 1 PID: 7443 Comm: syz-executor.1 Not tainted 6.1.0-rc3-syzkaller-00288-gb208b9fbbcba #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 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 56 30 7f ff 89 d8 5b f7 d0 5d c1 e8 1f c3 e8 77 33 7f ff <0f> 0b eb a5 48 89 ef e8 fb c7 ca ff eb d7 48 c7 c7 ac ad e1 8d e8 RSP: 0018:ffffc900031afbc0 EFLAGS: 00010212 RAX: 00000000000000c5 RBX: ffff8880123ecdd8 RCX: ffffc90021009000 RDX: 0000000000040000 RSI: ffffffff81fca0f9 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880123ecdd8 R13: ffff88801a458000 R14: 0000000000000000 R15: 0000000000000002 FS: 00007fb1031ff700(0000) GS:ffff88802c900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb103f14069 CR3: 0000000066b49000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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: 0033:0x7fb103e8b5a9 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:00007fb1031ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 RAX: ffffffffffffffda RBX: 00007fb103fabf80 RCX: 00007fb103e8b5a9 RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000005 RBP: 00007fb103ee67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd099e345f R14: 00007fb1031ff300 R15: 0000000000022000