EXT4-fs error (device loop0) in ext4_free_blocks:5011: Filesystem failed CRC ------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:5505! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 457 Comm: syz-executor.0 Not tainted 5.4.268-syzkaller-04882-g51cf29fc2bfc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:ext4_do_update_inode fs/ext4/inode.c:5504 [inline] RIP: 0010:ext4_mark_iloc_dirty+0x3556/0x3560 fs/ext4/inode.c:6071 Code: f1 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 2b f1 ff ff 48 89 df e8 a9 26 cc ff e9 1e f1 ff ff e8 cf fb 72 ff e8 9a 43 9c ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 50 49 RSP: 0018:ffff8881d502f060 EFLAGS: 00010293 RAX: ffffffff81c80386 RBX: 0000000000000000 RCX: ffff8881ed025e80 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000000 RBP: ffff8881d502f1b0 R08: ffffffff81c7ea39 R09: ffffed103aa96d73 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881d7377c00 R13: dffffc0000000000 R14: ffff8881eb080000 R15: 0000000000000000 FS: 00007f45a34ec6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3da37b4988 CR3: 00000001d5b3e000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_mark_inode_dirty+0x4e7/0x7a0 fs/ext4/inode.c:6273 ext4_ext_rm_leaf fs/ext4/extents.c:2915 [inline] ext4_ext_remove_space+0x205d/0x4ba0 fs/ext4/extents.c:3124 ext4_truncate+0xb23/0x1290 fs/ext4/inode.c:4641 ext4_setattr+0xeb5/0x1500 fs/ext4/inode.c:5857 notify_change+0xc00/0xeb0 fs/attr.c:354 do_truncate+0x1ed/0x2d0 fs/open.c:64 handle_truncate fs/namei.c:3103 [inline] do_last fs/namei.c:3521 [inline] path_openat+0x2de2/0x3480 fs/namei.c:3634 do_filp_open+0x20b/0x450 fs/namei.c:3664 do_sys_open+0x39c/0x810 fs/open.c:1113 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Modules linked in: ---[ end trace a8f2656ace54d95f ]--- RIP: 0010:ext4_do_update_inode fs/ext4/inode.c:5504 [inline] RIP: 0010:ext4_mark_iloc_dirty+0x3556/0x3560 fs/ext4/inode.c:6071 Code: f1 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 2b f1 ff ff 48 89 df e8 a9 26 cc ff e9 1e f1 ff ff e8 cf fb 72 ff e8 9a 43 9c ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 50 49 RSP: 0018:ffff8881d502f060 EFLAGS: 00010293 RAX: ffffffff81c80386 RBX: 0000000000000000 RCX: ffff8881ed025e80 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000000 RBP: ffff8881d502f1b0 R08: ffffffff81c7ea39 R09: ffffed103aa96d73 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881d7377c00 R13: dffffc0000000000 R14: ffff8881eb080000 R15: 0000000000000000 FS: 00007f45a34ec6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3da37b4988 CR3: 00000001d5b3e000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400