loop0: detected capacity change from 0 to 2048
------------[ cut here ]------------
kernel BUG at fs/buffer.c:2097!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 951 Comm: syz-executor.0 Not tainted 6.1.128-syzkaller-1167798-g471a10d3af3b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__block_commit_write+0x27d/0x280 fs/buffer.c:2097
Code: ff 48 8b 5d b8 48 89 df be 08 00 00 00 e8 fb a5 e6 ff f0 80 0b 04 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 43 05 9f ff <0f> 0b 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 28 4c 89
RSP: 0018:ffffc90002527748 EFLAGS: 00010293
RAX: ffffffff81d68f9d RBX: 0000000000000000 RCX: ffff888117fae540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002527798 R08: ffffffff81d68d82 R09: fffff9400093ddd9
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000c
R13: 000000000000000c R14: 5000000000000017 R15: ffffea00049eeec0
FS:  00007f6869fa86c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00157e000 CR3: 0000000126b4c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 block_write_end+0x47/0x90 fs/buffer.c:2187
 ext4_write_end+0x218/0x910 fs/ext4/inode.c:1348
 ext4_da_write_end+0x88/0x9a0 fs/ext4/inode.c:3084
 generic_perform_write+0x416/0x780 mm/filemap.c:3891
 ext4_buffered_write_iter+0x360/0x640 fs/ext4/file.c:285
 ext4_file_write_iter+0x194/0x1570
 call_write_iter include/linux/fs.h:2274 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0xaf6/0xed0 fs/read_write.c:584
 ksys_write+0x199/0x2c0 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f686927cda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6869fa80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f68693abf80 RCX: 00007f686927cda9
RDX: 000000000000000c RSI: 0000000020000300 RDI: 0000000000000004
RBP: 00007f68692c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f68693abf80 R15: 00007ffc60513738
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__block_commit_write+0x27d/0x280 fs/buffer.c:2097
Code: ff 48 8b 5d b8 48 89 df be 08 00 00 00 e8 fb a5 e6 ff f0 80 0b 04 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 43 05 9f ff <0f> 0b 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 28 4c 89
RSP: 0018:ffffc90002527748 EFLAGS: 00010293
RAX: ffffffff81d68f9d RBX: 0000000000000000 RCX: ffff888117fae540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002527798 R08: ffffffff81d68d82 R09: fffff9400093ddd9
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000c
R13: 000000000000000c R14: 5000000000000017 R15: ffffea00049eeec0
FS:  00007f6869fa86c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0363a1bd58 CR3: 0000000126b4c000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400