------------[ cut here ]------------
kernel BUG at fs/buffer.c:2104!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1034 Comm: syz-executor.0 Not tainted 5.10.238-syzkaller-1007487-g59e9a7228857 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__block_commit_write+0x232/0x240 fs/buffer.c:2104
Code: ff 48 8b 5d b8 48 89 df be 08 00 00 00 e8 56 cb e9 ff f0 80 0b 04 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 de d8 af ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc90002897770 EFLAGS: 00010293
RAX: ffffffff81b3bb32 RBX: 0000000000000000 RCX: ffff888119d13b40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900028977c0 R08: dffffc0000000000 R09: fffff94000926991
R10: fffff94000926991 R11: 1ffffd4000926990 R12: 000000000000000c
R13: 0000000000000000 R14: ffffea0004934c80 R15: dffffc0000000000
FS:  00007fd2c34026c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f81e34ae000 CR3: 0000000119b9e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 block_write_end+0x48/0x90 fs/buffer.c:2193
 ext4_write_end+0x475/0xed0 fs/ext4/inode.c:1344
 ext4_da_write_end+0xb7/0xa70 fs/ext4/inode.c:3162
 generic_perform_write+0x36d/0x510 mm/filemap.c:3520
 ext4_buffered_write_iter+0x4b8/0x640 fs/ext4/file.c:271
 ext4_file_write_iter+0x536/0x1980 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+0x725/0xd60 fs/read_write.c:605
 ksys_write+0x140/0x240 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: 0033:0x7fd2c38a0da9
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:00007fd2c34020c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fd2c39d0050 RCX: 00007fd2c38a0da9
RDX: 000000000000000c RSI: 0000000020000300 RDI: 0000000000000004
RBP: 00007fd2c38ed47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd2c39d0050 R15: 00007ffc26d34438
Modules linked in:
---[ end trace 34caa47159674b56 ]---
RIP: 0010:__block_commit_write+0x232/0x240 fs/buffer.c:2104
Code: ff 48 8b 5d b8 48 89 df be 08 00 00 00 e8 56 cb e9 ff f0 80 0b 04 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 de d8 af ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc90002897770 EFLAGS: 00010293
RAX: ffffffff81b3bb32 RBX: 0000000000000000 RCX: ffff888119d13b40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900028977c0 R08: dffffc0000000000 R09: fffff94000926991
R10: fffff94000926991 R11: 1ffffd4000926990 R12: 000000000000000c
R13: 0000000000000000 R14: ffffea0004934c80 R15: dffffc0000000000
FS:  00007fd2c34026c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020014000 CR3: 0000000119b9e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400