loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): orphan cleanup on readonly fs ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4865 at fs/ext4/xattr.c:1875 ext4_xattr_block_set+0x2010/0x2810 fs/ext4/xattr.c:1875 Modules linked in: CPU: 0 PID: 4865 Comm: syz.4.139 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_block_set+0x2010/0x2810 fs/ext4/xattr.c:1875 lr : ext4_xattr_block_set+0x2010/0x2810 fs/ext4/xattr.c:1875 sp : ffff800021c86ec0 x29: ffff800021c87030 x28: ffff0000f5323a00 x27: ffff800021c87180 x26: dfff800000000000 x25: ffff0000d7f3e728 x24: ffff0000f5323a00 x23: 1ffff00004390e32 x22: 1ffff00004390e31 x21: 0000000000000000 x20: ffff800021c87190 x19: ffff800021c87188 x18: ffff800011a5bd40 x17: ffff800018184000 x16: ffff8000082d2558 x15: 0000000000000002 x14: 00000000ffffffc3 x13: 00000000ffffffc3 x12: 0000000000080000 x11: 0000000000037bfc x10: ffff80002a3cf000 x9 : ffff800008e53990 x8 : 0000000000037bfd x7 : ffff0000f7c6c000 x6 : ffff0000f7c6c020 x5 : ffff800021c86fc0 x4 : ffff0000f5323a28 x3 : ffff800008e51a38 x2 : 0000000000000028 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ext4_xattr_block_set+0x2010/0x2810 fs/ext4/xattr.c:1875 ext4_xattr_move_to_block fs/ext4/xattr.c:2626 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2701 [inline] ext4_expand_extra_isize_ea+0xcb8/0x15cc fs/ext4/xattr.c:2793 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5980 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6023 [inline] __ext4_mark_inode_dirty+0x3e4/0x790 fs/ext4/inode.c:6101 ext4_evict_inode+0xb58/0x1270 fs/ext4/inode.c:279 evict+0x3c8/0x810 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x764/0x7f4 fs/inode.c:1860 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:356 ext4_orphan_cleanup+0x908/0x104c fs/ext4/orphan.c:470 __ext4_fill_super fs/ext4/super.c:5530 [inline] ext4_fill_super+0x6440/0x68a8 fs/ext4/super.c:5661 get_tree_bdev+0x358/0x544 fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5691 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5b4/0xe78 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+0x49c/0x584 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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: 3886 hardirqs last enabled at (3885): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (3885): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (3886): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3660): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3660): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (3467): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ EA inode 11 i_nlink=2 WARNING: CPU: 1 PID: 4865 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020 Modules linked in: CPU: 1 PID: 4865 Comm: syz.4.139 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020 lr : ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020 sp : ffff800021c86e00 x29: ffff800021c86ea0 x28: 0000000000000000 x27: dfff800000000000 x26: 1fffe0001afe0095 x25: ffff700004390dc4 x24: 0000000000000000 x23: ffff800017a15000 x22: ffff0000d7f002f0 x21: 0000000000000002 x20: 0000000000000001 x19: ffff0000d7f002b0 x18: ffff800011a5bd40 x17: 0000000000000000 x16: ffff8000082d3a08 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 000000000007ffff x10: ffff80002a3cf000 x9 : ed362da405561600 x8 : ed362da405561600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021c86898 x4 : ffff800015134e00 x3 : ffff800008313428 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1045 [inline] ext4_xattr_set_entry+0x918/0x15ac fs/ext4/xattr.c:1683 ext4_xattr_ibody_set+0x204/0x600 fs/ext4/xattr.c:2230 ext4_xattr_move_to_block fs/ext4/xattr.c:2633 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2701 [inline] ext4_expand_extra_isize_ea+0xd00/0x15cc fs/ext4/xattr.c:2793 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5980 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6023 [inline] __ext4_mark_inode_dirty+0x3e4/0x790 fs/ext4/inode.c:6101 ext4_evict_inode+0xb58/0x1270 fs/ext4/inode.c:279 evict+0x3c8/0x810 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x764/0x7f4 fs/inode.c:1860 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:356 ext4_orphan_cleanup+0x908/0x104c fs/ext4/orphan.c:470 __ext4_fill_super fs/ext4/super.c:5530 [inline] ext4_fill_super+0x6440/0x68a8 fs/ext4/super.c:5661 get_tree_bdev+0x358/0x544 fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5691 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5b4/0xe78 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+0x49c/0x584 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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: 5814 hardirqs last enabled at (5813): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (5814): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (4022): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (4022): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (3889): [] __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.