and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ------------[ cut here ]------------ WARNING: CPU: 2 PID: 6202 at fs/overlayfs/xattrs.c:136 ovl_listxattr+0x371/0x4b0 fs/overlayfs/xattrs.c:136 Modules linked in: CPU: 2 UID: 0 PID: 6202 Comm: syz.2.70 Not tainted 6.15.0-rc7-syzkaller-00007-g4a95bc121ccd #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ovl_listxattr+0x371/0x4b0 fs/overlayfs/xattrs.c:136 Code: ff ff ff 49 83 ec 08 48 01 c5 48 29 c2 48 01 d3 48 8d 75 08 48 89 ef 4c 01 f2 48 01 dd e8 27 72 e9 fe eb 43 e8 90 e9 83 fe 90 <0f> 0b 90 49 c7 c4 fb ff ff ff e8 80 e9 83 fe 4c 89 e0 48 83 c4 20 RSP: 0018:ffffc90004c5fdd0 EFLAGS: 00010283 RAX: 00000000000002fb RBX: 0000000000000012 RCX: ffffc9000c001000 RDX: 0000000000080000 RSI: ffffffff83375c60 RDI: 0000000000000006 RBP: ffff88802afc3a00 R08: 0000000000000006 R09: 0000000000000012 R10: 0000000000000011 R11: 0000000000000000 R12: 0000000000000011 R13: ffff888039982000 R14: 0000000000000011 R15: ffff88803187e100 FS: 00007f8d061c06c0(0000) GS:ffff8880d6bda000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c3447 CR3: 000000003394e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_listxattr+0xb7/0x140 fs/xattr.c:493 listxattr+0x69/0x1a0 fs/xattr.c:924 filename_listxattr fs/xattr.c:958 [inline] path_listxattrat+0x151/0x370 fs/xattr.c:988 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8d0538e969 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8d061c0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3 RAX: ffffffffffffffda RBX: 00007f8d055b5fa0 RCX: 00007f8d0538e969 RDX: 00000000000000ff RSI: 0000200000000200 RDI: 0000200000000000 RBP: 00007f8d05410ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f8d055b5fa0 R15: 00007ffddcc1f638