loop5: detected capacity change from 0 to 2048
------------[ cut here ]------------
kernel BUG at fs/buffer.c:2074!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1033 Comm: syz-executor.5 Not tainted 5.15.185-syzkaller-1080790-g32c443bd6d40 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__block_commit_write+0x279/0x280 fs/buffer.c:2074
Code: ff 48 8b 5d b8 48 89 df be 08 00 00 00 e8 8f 88 e9 ff f0 80 0b 04 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e7 0f ab ff <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83
RSP: 0000:ffffc90002877750 EFLAGS: 00010293
RAX: ffffffff81bd9849 RBX: 0000000000000000 RCX: ffff88811f723b40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900028777a0 R08: dffffc0000000000 R09: fffff94000945009
R10: fffff94000945009 R11: 1ffffd4000945008 R12: 000000000000000c
R13: ffff888128235328 R14: ffffea0004a28040 R15: dffffc0000000000
FS:  00007f42bce026c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020014000 CR3: 000000012267e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 block_write_end+0x48/0x90 fs/buffer.c:2164
 ext4_write_end+0x221/0xa70 fs/ext4/inode.c:1337
 ext4_da_write_end+0x8b/0x9e0 fs/ext4/inode.c:3083
 generic_perform_write+0x34c/0x670 mm/filemap.c:3880
 ext4_buffered_write_iter+0x4ed/0x670 fs/ext4/file.c:270
 ext4_file_write_iter+0x18c/0x14c0 fs/ext4/file.c:664
 call_write_iter include/linux/fs.h:2212 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x802/0xf70 fs/read_write.c:594
 ksys_write+0x140/0x240 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f42bd27fda9
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:00007f42bce020c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f42bd3aef80 RCX: 00007f42bd27fda9
RDX: 000000000000000c RSI: 0000000020000300 RDI: 0000000000000004
RBP: 00007f42bd2cc47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f42bd3aef80 R15: 00007ffcf9c2ed48
 </TASK>
Modules linked in:
---[ end trace 2b58aaae8b21363f ]---
RIP: 0010:__block_commit_write+0x279/0x280 fs/buffer.c:2074
Code: ff 48 8b 5d b8 48 89 df be 08 00 00 00 e8 8f 88 e9 ff f0 80 0b 04 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e7 0f ab ff <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83
RSP: 0000:ffffc90002877750 EFLAGS: 00010293
RAX: ffffffff81bd9849 RBX: 0000000000000000 RCX: ffff88811f723b40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900028777a0 R08: dffffc0000000000 R09: fffff94000945009
R10: fffff94000945009 R11: 1ffffd4000945008 R12: 000000000000000c
R13: ffff888128235328 R14: ffffea0004a28040 R15: dffffc0000000000
FS:  00007f42bce026c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020014000 CR3: 000000012267e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400