ntfs3: Unknown parameter 'windows_names' hfsplus: unable to parse mount options EXT4-fs (loop4): orphan cleanup on readonly fs ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6137 at fs/ext4/xattr.c:1865 ext4_xattr_block_set+0x20bc/0x28b4 fs/ext4/xattr.c:1865 Modules linked in: CPU: 0 PID: 6137 Comm: syz.4.527 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_block_set+0x20bc/0x28b4 fs/ext4/xattr.c:1865 lr : ext4_xattr_block_set+0x20bc/0x28b4 fs/ext4/xattr.c:1865 sp : ffff800021cb6f40 x29: ffff800021cb70d0 x28: ffff0000f4939f00 x27: ffff0000d933e000 x26: ffff800021cb7220 x25: dfff800000000000 x24: ffff0000f4939f00 x23: 1ffff00004396e46 x22: ffff800021cb7230 x21: 1ffff00004396e45 x20: ffff800021cb7228 x19: 0000000000000000 x18: 1fffe00033e7277e x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000002 x14: 0000000000000005 x13: 00000000ffffffc3 x12: 0000000000080000 x11: 000000000002f927 x10: ffff80002a713000 x9 : ffff800008e80368 x8 : 000000000002f928 x7 : ffff0000f9801000 x6 : ffff0000f9801020 x5 : ffff800021cb7060 x4 : ffff0000f4939f28 x3 : ffff800008e7e36c x2 : 0000000000000028 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ext4_xattr_block_set+0x20bc/0x28b4 fs/ext4/xattr.c:1865 ext4_xattr_move_to_block fs/ext4/xattr.c:2613 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2688 [inline] ext4_expand_extra_isize_ea+0xea4/0x1818 fs/ext4/xattr.c:2776 __ext4_expand_extra_isize+0x2a0/0x364 fs/ext4/inode.c:6003 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6046 [inline] __ext4_mark_inode_dirty+0x3d4/0x7b4 fs/ext4/inode.c:6124 ext4_evict_inode+0xb50/0x1264 fs/ext4/inode.c:281 evict+0x3d8/0x824 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x728/0x7e8 fs/inode.c:1860 ext4_process_orphan+0x24c/0x2c0 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c fs/namespace.c:3408 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 20026 hardirqs last enabled at (20025): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (20025): [] __find_get_block+0x1c4/0xde4 fs/buffer.c:1303 hardirqs last disabled at (20026): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (17438): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (17436): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ EA inode 11 i_nlink=2 WARNING: CPU: 0 PID: 6137 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1004 Modules linked in: CPU: 0 PID: 6137 Comm: syz.4.527 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1004 lr : ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1004 sp : ffff800021cb6ea0 x29: ffff800021cb6f50 x28: 0000000000000000 x27: 1fffe000200a7317 x26: ffff000100539700 x25: dfff800000000000 x24: ffff800021cb6ec0 x23: ffff700004396dd8 x22: ffff800017d5d000 x21: 0000000000000002 x20: 0000000000000001 x19: ffff0001005396c0 x18: 1fffe00033e7277e x17: ffff80001537d000 x16: ffff8000082dd248 x15: 0000000040000000 x14: 0000000000000001 x13: 1fffe00033e74e70 x12: 0000000000000000 x11: ff0080000a975d20 x10: 0000000000000003 x9 : 3bfa77b1f5021f00 x8 : 3bfa77b1f5021f00 x7 : ffff80000825ab50 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff800011cedc80 x0 : ffff80018a0bd000 Call trace: ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1004 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1029 [inline] ext4_xattr_set_entry+0x934/0x15f4 fs/ext4/xattr.c:1673 ext4_xattr_ibody_set+0x208/0x604 fs/ext4/xattr.c:2217 ext4_xattr_move_to_block fs/ext4/xattr.c:2620 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2688 [inline] ext4_expand_extra_isize_ea+0xeec/0x1818 fs/ext4/xattr.c:2776 __ext4_expand_extra_isize+0x2a0/0x364 fs/ext4/inode.c:6003 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6046 [inline] __ext4_mark_inode_dirty+0x3d4/0x7b4 fs/ext4/inode.c:6124 ext4_evict_inode+0xb50/0x1264 fs/ext4/inode.c:281 evict+0x3d8/0x824 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x728/0x7e8 fs/inode.c:1860 ext4_process_orphan+0x24c/0x2c0 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c fs/namespace.c:3408 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 20302 hardirqs last enabled at (20301): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline] hardirqs last enabled at (20301): [] finish_lock_switch+0xb0/0x1c8 kernel/sched/core.c:5005 hardirqs last disabled at (20302): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (20160): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (20160): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (20029): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop4): 1 orphan inode deleted EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.