EXT4-fs (loop4): Ignoring removed nomblk_io_submit option
EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,noquota,max_batch_time=0x0000000000000f74,nomblk_io_submit,,errors=continue
EXT4-fs error (device loop4): __ext4_iget:5022: inode #16: block 127754: comm syz.4.3721: invalid block
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:235!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13844 Comm: syz.4.3721 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:235 [inline]
RIP: 0010:ext4_write_inline_data_end+0x865/0x870 fs/ext4/inline.c:799
Code: fc ff ff 4c 89 ef e8 fa 06 d0 ff e9 98 fc ff ff e8 90 89 95 ff 0f 0b e8 89 89 95 ff 0f 0b e8 82 89 95 ff 0f 0b e8 7b 89 95 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41
RSP: 0018:ffffc90000f37740 EFLAGS: 00010293
RAX: ffffffff81cf2c55 RBX: ffff88813a588d68 RCX: ffff888137213b40
RDX: 0000000000000000 RSI: 000000000000003d RDI: 000000000000007a
RBP: ffffc90000f37860 R08: ffff888127d49297 R09: 1ffff11024fa9252
R10: dffffc0000000000 R11: ffffed1024fa9253 R12: ffffea0004c74800
R13: dffffc0000000000 R14: 000000000000007a R15: 000000000000003d
FS:  00007fa2073a76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa207385ff8 CR3: 0000000120f04000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_da_write_inline_data_end+0x37/0x290 fs/ext4/inline.c:996
 ext4_da_write_end+0x7d7/0xa70 fs/ext4/inode.c:3195
 generic_perform_write+0x37b/0x540 mm/filemap.c:3520
 ext4_buffered_write_iter+0x4b8/0x640 fs/ext4/file.c:271
 ext4_file_write_iter+0x53f/0x1980 fs/ext4/file.c:-1
 call_write_iter include/linux/fs.h:2066 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0x758/0xdc0 fs/read_write.c:605
 ksys_write+0x149/0x250 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fa20894aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fa2073a7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa208bc5fa0 RCX: 00007fa20894aeb9
RDX: 000000000000003d RSI: 0000200000000c00 RDI: 0000000000000004
RBP: 00007fa2089b8c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa208bc6038 R14: 00007fa208bc5fa0 R15: 00007fffaec84f08
Modules linked in:
---[ end trace 5ba68004a3a9b170 ]---
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:235 [inline]
RIP: 0010:ext4_write_inline_data_end+0x865/0x870 fs/ext4/inline.c:799
Code: fc ff ff 4c 89 ef e8 fa 06 d0 ff e9 98 fc ff ff e8 90 89 95 ff 0f 0b e8 89 89 95 ff 0f 0b e8 82 89 95 ff 0f 0b e8 7b 89 95 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41
RSP: 0018:ffffc90000f37740 EFLAGS: 00010293
RAX: ffffffff81cf2c55 RBX: ffff88813a588d68 RCX: ffff888137213b40
RDX: 0000000000000000 RSI: 000000000000003d RDI: 000000000000007a
RBP: ffffc90000f37860 R08: ffff888127d49297 R09: 1ffff11024fa9252
R10: dffffc0000000000 R11: ffffed1024fa9253 R12: ffffea0004c74800
R13: dffffc0000000000 R14: 000000000000007a R15: 000000000000003d
FS:  00007fa2073a76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa207385ff8 CR3: 0000000120f04000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400