EXT4-fs error (device loop0): ext4_validate_block_bitmap:400: comm syz-executor.0: bg 0: bad block bitmap checksum
EXT4-fs error (device loop0) in ext4_free_blocks:5011: Filesystem failed CRC
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kernel BUG at fs/ext4/inode.c:5505!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 475 Comm: syz-executor.0 Not tainted 5.4.268-syzkaller-00003-g2d5d8240a7cb #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 b9 27 cc ff e9 1e f1 ff ff e8 8f 0b 73 ff e8 5a 53 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:ffff8881ea947060 EFLAGS: 00010283
RAX: ffffffff81c7f3c6 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000013e000 RSI: 000000000000270c RDI: 000000000000270d
RBP: ffff8881ea9471b0 R08: ffffffff81c7da79 R09: ffffed103b44ecce
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881d181cc00
R13: dffffc0000000000 R14: ffff8881d79d4000 R15: 0000000000000000
FS:  00007f9c7bfc76c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c7bfa6d58 CR3: 00000001d61b9000 CR4: 00000000003426b0
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 1ffb689ec8a0b6b3 ]---
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 b9 27 cc ff e9 1e f1 ff ff e8 8f 0b 73 ff e8 5a 53 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:ffff8881ea947060 EFLAGS: 00010283
RAX: ffffffff81c7f3c6 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000013e000 RSI: 000000000000270c RDI: 000000000000270d
RBP: ffff8881ea9471b0 R08: ffffffff81c7da79 R09: ffffed103b44ecce
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881d181cc00
R13: dffffc0000000000 R14: ffff8881d79d4000 R15: 0000000000000000
FS:  00007f9c7bfc76c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c7bfa6d58 CR3: 00000001d61b9000 CR4: 00000000003426b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400