loop0: detected capacity change from 0 to 512 EXT4-fs (loop0): orphan cleanup on r EXT4-fs (loop0): orphan cleanup on readonly fs ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6715 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: 6715 Comm: syz.0.17 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 : ffff80009a556e80 x29: ffff80009a556fe0 x28: ffff0000e917cf18 x27: dfff800000000000 x26: 0000000000000000 x25: ffff80009a557160 x24: 00000000000003e0 x23: 1ffff000134aae2e x22: 1ffff000134aae2d x21: 0000000000000000 x20: ffff80009a557170 x19: ffff80009a557168 x18: 00000000ffffffff x17: ffff800091843000 x16: ffff80008a456024 x15: 0000000000000005 x14: 1ffff000134aadeb x13: 00000000ffffffc3 x12: ffff0000e4d4c020 x11: ffff0000e4d4c400 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000ca415b80 x7 : ffff0000e4d4c000 x6 : ffff0000e4d4c020 x5 : ffff80009a556f80 x4 : ffff0000cc63e928 x3 : ffff80008119ef30 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+0x4714/0x4e94 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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 1746 hardirqs last enabled at (1745): [] lookup_bh_lru fs/buffer.c:1390 [inline] hardirqs last enabled at (1745): [] find_get_block_common+0x334/0xde8 fs/buffer.c:1404 hardirqs last disabled at (1746): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (1552): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (1552): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (1541): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ EA inode 11 i_nlink=2 WARNING: CPU: 0 PID: 6715 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: 6715 Comm: syz.0.17 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 : ffff80009a556dc0 x29: ffff80009a556e50 x28: 0000000000000000 x27: 1fffe0001d210091 x26: dfff800000000000 x25: ffff80009a556dc0 x24: ffff7000134aadb8 x23: ffff80009115b000 x22: ffff0000e90802d8 x21: 0000000000000002 x20: 0000000000000001 x19: ffff0000e9080298 x18: 1fffe00033ba8088 x17: ffff80008e39e000 x16: ffff80008a483708 x15: 0000000000000001 x14: 1fffe00033baab30 x13: 0000000000000000 x12: 0000000000000000 x11: ffff800091642be8 x10: 0000000000000003 x9 : 1421f36dd77dc900 x8 : 1421f36dd77dc900 x7 : ffff800080463b24 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 x2 : 0000000000000006 x1 : ffff80008aa8a200 x0 : 0000000000000001 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+0x4714/0x4e94 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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2008 hardirqs last enabled at (2007): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (2007): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (2008): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (1922): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (1922): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (1749): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): 1 orphan inode deleted EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: none.