loop6: detected capacity change from 0 to 512 EXT4-fs (loop6): orphan cleanup on readonly fs ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8593 at fs/ext4/xattr.c:1906 ext4_xattr_block_set+0x1f18/0x24bc fs/ext4/xattr.c:1906 Modules linked in: CPU: 0 UID: 0 PID: 8593 Comm: syz.6.366 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_block_set+0x1f18/0x24bc fs/ext4/xattr.c:1906 lr : ext4_xattr_block_set+0x1f18/0x24bc fs/ext4/xattr.c:1906 sp : ffff80009bde6e80 x29: ffff80009bde6fe0 x28: ffff0000f81558a8 x27: dfff800000000000 x26: 0000000000000000 x25: ffff80009bde7160 x24: 00000000000003e0 x23: 1ffff000137bce2e x22: 1ffff000137bce2d x21: 0000000000000000 x20: ffff80009bde7170 x19: ffff80009bde7168 x18: 00000000ffffffff x17: ffff800093524000 x16: ffff80008afe6518 x15: 0000000000000005 x14: 1ffff000137bcdeb x13: 00000000ffffffc3 x12: ffff00010753e020 x11: 0000000000080000 x10: 0000000000019840 x9 : ffff80009ddba000 x8 : 0000000000019841 x7 : ffff00010753e000 x6 : ffff00010753e020 x5 : ffff80009bde6f80 x4 : ffff0000d2c443a8 x3 : ffff8000811e73b0 x2 : 0000000000000028 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ext4_xattr_block_set+0x1f18/0x24bc fs/ext4/xattr.c:1906 (P) ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_evict_inode+0x930/0x1084 fs/ext4/inode.c:254 evict+0x414/0x928 fs/inode.c:810 iput_final fs/inode.c:1897 [inline] iput+0x6e4/0x83c fs/inode.c:1923 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:360 ext4_orphan_cleanup+0x930/0x107c fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5609 [inline] ext4_fill_super+0x4724/0x4ea4 fs/ext4/super.c:5728 get_tree_bdev_flags+0x360/0x414 fs/super.c:1692 get_tree_bdev+0x2c/0x3c fs/super.c:1715 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5760 vfs_get_tree+0x90/0x28c fs/super.c:1815 do_new_mount+0x278/0x7f4 fs/namespace.c:3808 path_mount+0x5b4/0xde0 fs/namespace.c:4123 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount fs/namespace.c:4324 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4324 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 1736 hardirqs last enabled at (1735): [] lookup_bh_lru fs/buffer.c:1390 [inline] hardirqs last enabled at (1735): [] find_get_block_common+0x334/0xde8 fs/buffer.c:1404 hardirqs last disabled at (1736): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6): [] 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: 8593 at fs/ext4/xattr.c:1053 ext4_xattr_inode_update_ref+0x444/0x488 fs/ext4/xattr.c:1051 Modules linked in: CPU: 0 UID: 0 PID: 8593 Comm: syz.6.366 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_update_ref+0x444/0x488 fs/ext4/xattr.c:1051 lr : ext4_xattr_inode_update_ref+0x444/0x488 fs/ext4/xattr.c:1051 sp : ffff80009bde6dc0 x29: ffff80009bde6e50 x28: 0000000000000000 x27: 1fffe0001f02aee9 x26: dfff800000000000 x25: ffff80009bde6dc0 x24: ffff7000137bcdb8 x23: ffff800092e12000 x22: ffff0000f8157598 x21: 0000000000000002 x20: 0000000000000001 x19: ffff0000f8157558 x18: 00000000ffffffff x17: ffff800093524000 x16: ffff80008b0156e8 x15: 0000000000000001 x14: 1ffff000137bcd28 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 0000000000036d3a x9 : 8aef899c2ef9f500 x8 : 8aef899c2ef9f500 x7 : ffff800080563530 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de538 x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ext4_xattr_inode_update_ref+0x444/0x488 fs/ext4/xattr.c:1051 (P) ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1076 [inline] ext4_xattr_set_entry+0x928/0x15c0 fs/ext4/xattr.c:1714 ext4_xattr_ibody_set+0x204/0x5fc fs/ext4/xattr.c:2263 ext4_xattr_move_to_block fs/ext4/xattr.c:2666 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xefc/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_evict_inode+0x930/0x1084 fs/ext4/inode.c:254 evict+0x414/0x928 fs/inode.c:810 iput_final fs/inode.c:1897 [inline] iput+0x6e4/0x83c fs/inode.c:1923 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:360 ext4_orphan_cleanup+0x930/0x107c fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5609 [inline] ext4_fill_super+0x4724/0x4ea4 fs/ext4/super.c:5728 get_tree_bdev_flags+0x360/0x414 fs/super.c:1692 get_tree_bdev+0x2c/0x3c fs/super.c:1715 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5760 vfs_get_tree+0x90/0x28c fs/super.c:1815 do_new_mount+0x278/0x7f4 fs/namespace.c:3808 path_mount+0x5b4/0xde0 fs/namespace.c:4123 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount fs/namespace.c:4324 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4324 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2630 hardirqs last enabled at (2629): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (2630): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (2564): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (2564): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (2443): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop6): 1 orphan inode deleted EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: none.