EXT4-fs warning (device loop1): ext4_xattr_inode_get:556: inode #11: comm syz.1.229: EA inode hash validation failed EXT4-fs warning (device loop1): ext4_expand_extra_isize_ea:2848: Unable to expand inode 15. Delete some EAs or run e2fsck. ------------[ cut here ]------------ EA inode 11 ref_count=-1 WARNING: CPU: 0 PID: 7229 at fs/ext4/xattr.c:1048 ext4_xattr_inode_update_ref+0x3c4/0x488 fs/ext4/xattr.c:1047 Modules linked in: CPU: 0 UID: 0 PID: 7229 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT 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+0x3c4/0x488 fs/ext4/xattr.c:1047 lr : ext4_xattr_inode_update_ref+0x3c4/0x488 fs/ext4/xattr.c:1047 sp : ffff8000a57e6f80 x29: ffff8000a57e7000 x28: 00000000ffffffff x27: 1fffe0001f081091 x26: dfff800000000000 x25: ffff8000a57e6f80 x24: ffff700014afcdf0 x23: ffff800092e12000 x22: ffff0000f84082d8 x21: ffffffffffffffff x20: 0000000000000001 x19: ffff0000f8408298 x18: 00000000ffffffff x17: ffff800093524000 x16: ffff80008b0142f8 x15: 0000000000000001 x14: 1ffff00011f1c4c3 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000001a7ce x9 : 602f7a709552a700 x8 : 602f7a709552a700 x7 : ffff800080563d30 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ext4_xattr_inode_update_ref+0x3c4/0x488 fs/ext4/xattr.c:1047 (P) ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1076 [inline] ext4_xattr_inode_dec_ref_all+0x76c/0xbfc fs/ext4/xattr.c:1218 ext4_xattr_delete_inode+0x8b0/0xa40 fs/ext4/xattr.c:2942 ext4_evict_inode+0xb98/0x1084 fs/ext4/inode.c:271 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+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: 1906 hardirqs last enabled at (1905): [] vprintk_store+0x898/0xac8 kernel/printk/printk.c:2356 hardirqs last disabled at (1906): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (300): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (298): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs error (device loop1): ext4_do_update_inode:5653: inode #15: comm syz.1.229: corrupted inode contents EXT4-fs error (device loop1): ext4_dirty_inode:6538: inode #15: comm syz.1.229: mark_inode_dirty error EXT4-fs error (device loop1): ext4_do_update_inode:5653: inode #15: comm syz.1.229: corrupted inode contents EXT4-fs error (device loop1): ext4_xattr_delete_inode:2991: inode #15: comm syz.1.229: mark_inode_dirty error EXT4-fs error (device loop1): ext4_xattr_delete_inode:2994: inode #15: comm syz.1.229: mark inode dirty (error -117) EXT4-fs warning (device loop1): ext4_evict_inode:274: xattr delete (err -117) EXT4-fs (loop1): 1 orphan inode deleted EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: none.