loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): orphan cleanup on readonly fs ------------[ cut here ]------------ WARNING: CPU: 1 PID: 14305 at fs/ext4/xattr.c:1862 ext4_xattr_block_set+0x20a0/0x2880 fs/ext4/xattr.c:1862 Modules linked in: CPU: 1 PID: 14305 Comm: syz.4.2334 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+0x20a0/0x2880 fs/ext4/xattr.c:1862 lr : ext4_xattr_block_set+0x20a0/0x2880 fs/ext4/xattr.c:1862 sp : ffff800021b86e80 x29: ffff800021b87000 x28: ffff0000fc9b3ee0 x27: ffff0000f5a69100 x26: ffff0000fc9b3f08 x25: dfff800000000000 x24: 1ffff00004370e32 x23: 1ffff00004370e31 x22: 0000000000000000 x21: ffff800021b87190 x20: ffff800021b87180 x19: ffff800021b87188 x18: ffff800011b7bf60 x17: ffff800018338000 x16: ffff8000082d7e60 x15: 0000000000000002 x14: 0000000000000005 x13: 00000000ffffffc3 x12: 0000000000080000 x11: 0000000000036c44 x10: ffff8000282fe000 x9 : ffff800008e68cf8 x8 : 0000000000036c45 x7 : ffff0000fea1e000 x6 : ffff0000fea1e020 x5 : ffff800021b86fa0 x4 : ffff0000f5a69128 x3 : ffff800008e66d10 x2 : 0000000000000028 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ext4_xattr_block_set+0x20a0/0x2880 fs/ext4/xattr.c:1862 ext4_xattr_move_to_block fs/ext4/xattr.c:2610 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2685 [inline] ext4_expand_extra_isize_ea+0xe5c/0x17ac fs/ext4/xattr.c:2773 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5984 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6027 [inline] __ext4_mark_inode_dirty+0x3e4/0x784 fs/ext4/inode.c:6105 ext4_evict_inode+0xb64/0x1278 fs/ext4/inode.c:279 evict+0x3e0/0x828 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x754/0x7e4 fs/inode.c:1860 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x920/0x1060 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5556 [inline] ext4_fill_super+0x6188/0x660c fs/ext4/super.c:5687 get_tree_bdev+0x358/0x544 fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5717 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5bc/0xe80 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/0x59c fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 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: 2964 hardirqs last enabled at (2963): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (2963): [] __find_get_block+0x1c4/0xddc fs/buffer.c:1303 hardirqs last disabled at (2964): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2752): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (2752): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (2563): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ EA inode 11 i_nlink=2 WARNING: CPU: 0 PID: 14305 at fs/ext4/xattr.c:1005 ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1003 Modules linked in: CPU: 0 PID: 14305 Comm: syz.4.2334 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+0x454/0x498 fs/ext4/xattr.c:1003 lr : ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1003 sp : ffff800021b86dc0 x29: ffff800021b86e70 x28: 0000000000000000 x27: dfff800000000000 x26: ffff800021b86de0 x25: ffff700004370dbc x24: 0000000000000000 x23: ffff800017bc9000 x22: ffff0000f67e6740 x21: 0000000000000002 x20: 0000000000000001 x19: ffff0000f67e6700 x18: ffff800011b7bf60 x17: 0000000000000000 x16: ffff8000082d9364 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe00033eaaba3 x12: 0000000000080000 x11: 000000000005eee3 x10: ffff8000282fe000 x9 : 6f47a68201668000 x8 : 6f47a68201668000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021b86858 x4 : ffff8000152e4cc0 x3 : ffff800008538160 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1003 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1028 [inline] ext4_xattr_set_entry+0x918/0x15a0 fs/ext4/xattr.c:1670 ext4_xattr_ibody_set+0x204/0x5f8 fs/ext4/xattr.c:2214 ext4_xattr_move_to_block fs/ext4/xattr.c:2617 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2685 [inline] ext4_expand_extra_isize_ea+0xea4/0x17ac fs/ext4/xattr.c:2773 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5984 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6027 [inline] __ext4_mark_inode_dirty+0x3e4/0x784 fs/ext4/inode.c:6105 ext4_evict_inode+0xb64/0x1278 fs/ext4/inode.c:279 evict+0x3e0/0x828 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x754/0x7e4 fs/inode.c:1860 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x920/0x1060 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5556 [inline] ext4_fill_super+0x6188/0x660c fs/ext4/super.c:5687 get_tree_bdev+0x358/0x544 fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5717 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5bc/0xe80 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/0x59c fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 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: 3166 hardirqs last enabled at (3165): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (3166): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3154): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3154): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (3147): [] __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.