loop2: detected capacity change from 0 to 512 EXT4-fs (loop2): Test dummy encryption mode enabled ------------[ cut here ]------------ EA inode 11 i_nlink=1026 WARNING: CPU: 1 PID: 5877 at fs/ext4/xattr.c:1059 ext4_xattr_inode_update_ref+0x53c/0x590 fs/ext4/xattr.c:1057 Modules linked in: CPU: 1 PID: 5877 Comm: syz.2.15 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:ext4_xattr_inode_update_ref+0x53c/0x590 fs/ext4/xattr.c:1057 Code: 8d 7e 50 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 65 d5 98 ff 49 8b 37 48 c7 c7 20 d8 de 8a 89 da e8 34 54 0a ff <0f> 0b 4c 8b 74 24 08 4c 8b 7c 24 10 e9 ab fe ff ff e8 7e d5 3f 08 RSP: 0018:ffffc90004bbf2e0 EFLAGS: 00010246 RAX: 85fe6bc61bfbeb00 RBX: 0000000000000402 RCX: 0000000000080000 RDX: ffffc9000da9c000 RSI: 000000000001d588 RDI: 000000000001d589 RBP: ffffc90004bbf3d0 R08: ffff8880b8e28c13 R09: 1ffff110171c5182 R10: dffffc0000000000 R11: ffffed10171c5183 R12: dffffc0000000000 R13: ffff8880779ff2a8 R14: ffff8880779ff0b0 R15: ffff8880779ff100 FS: 00007f607bacb6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d622ff8 CR3: 0000000078e52000 CR4: 00000000003506e0 Call Trace: ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline] ext4_xattr_inode_dec_ref_all+0x9a6/0x1040 fs/ext4/xattr.c:1228 ext4_xattr_delete_inode+0xb3e/0xd10 fs/ext4/xattr.c:2949 ext4_evict_inode+0xaaf/0xea0 fs/ext4/inode.c:271 evict+0x4ca/0x8d0 fs/inode.c:705 ext4_orphan_cleanup+0xbec/0x1420 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5621 [inline] ext4_fill_super+0x5eea/0x67b0 fs/ext4/super.c:5744 get_tree_bdev+0x3f3/0x520 fs/super.c:1591 vfs_get_tree+0x8c/0x280 fs/super.c:1764 do_new_mount+0x24b/0xa40 fs/namespace.c:3386 do_mount fs/namespace.c:3726 [inline] __do_sys_mount fs/namespace.c:3935 [inline] __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f607ab9da8a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f607bacae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f607bacaee0 RCX: 00007f607ab9da8a RDX: 0000200000000180 RSI: 0000200000000140 RDI: 00007f607bacaea0 RBP: 0000200000000180 R08: 00007f607bacaee0 R09: 0000000000800718 R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000140 R13: 00007f607bacaea0 R14: 00000000000004a3 R15: 0000200000000a00