NILFS (loop4): nilfs_palloc_commit_free_entry (ino=6): entry number 16 already freed NILFS (loop4): nilfs_palloc_commit_free_entry (ino=6): entry number 17 already freed NILFS (loop4): deleting nonexistent file (ino=11), 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4173 at fs/inode.c:307 drop_nlink+0xbb/0x100 Modules linked in: CPU: 1 PID: 4173 Comm: syz-executor Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:drop_nlink+0xbb/0x100 fs/inode.c:307 Code: 49 8b 1e 48 8d bb c8 07 00 00 be 08 00 00 00 e8 4b a4 ed ff f0 48 ff 83 c8 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 95 c7 a3 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c RSP: 0018:ffffc90002f2fc70 EFLAGS: 00010293 RAX: ffffffff81dcbd4b RBX: 1ffff1100ea64101 RCX: ffff8880288fd940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81dcbccf R09: ffffed100f48e0fa R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075320808 R13: 1ffff1100c2a8c33 R14: ffff8880753207c0 R15: dffffc0000000000 FS: 000055558e402500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe14a84ff8 CR3: 0000000063c48000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_rmdir+0x1ac/0x250 fs/nilfs2/namei.c:341 vfs_rmdir+0x305/0x460 fs/namei.c:4149 do_rmdir+0x368/0x670 fs/namei.c:4210 __do_sys_unlinkat fs/namei.c:4390 [inline] __se_sys_unlinkat fs/namei.c:4384 [inline] __x64_sys_unlinkat+0xdc/0xf0 fs/namei.c:4384 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fb562d032f7 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc73b4fe38 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007fb562d032f7 RDX: 0000000000000200 RSI: 00007ffc73b50fe0 RDI: 00000000ffffff9c RBP: 00007fb562d7f80c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffc73b50fe0 R13: 00007fb562d7f80c R14: 00007ffc73b53190 R15: 0000000000000030