------------[ cut here ]------------
kernel BUG at fs/ext4/mballoc.c:4294!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6520 Comm: syz-executor.4 Not tainted 6.0.0-rc4-syzkaller-00010-gd412df530f77 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ext4_mb_use_inode_pa+0x64b/0x6b0
Code: 48 c7 c7 00 04 8b 8c 4c 89 e6 48 89 ea e8 ed f2 1c 02 e9 00 fd ff ff e8 43 3c 55 ff 0f 0b e8 3c 3c 55 ff 0f 0b e8 35 3c 55 ff <0f> 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 56 ff ff ff 48 8b
RSP: 0018:ffffc9000458e7f0 EFLAGS: 00010293
RAX: ffffffff822fca8b RBX: 00000000ffffffff RCX: ffff88807a4d3b00
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000002
RBP: 1ffff1100cc11481 R08: ffffffff822fc7ce R09: ffffed100cc1147f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000040
R13: dffffc0000000000 R14: 0000000000000003 R15: ffff88806608a408
FS:  00007f463613b6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006ba04000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_use_preallocated+0xc97/0xeb0
 ext4_mb_new_blocks+0x6a8/0x48f0
 ext4_ext_map_blocks+0x1b0e/0x7580
 ext4_map_blocks+0xa3d/0x1d00
 ext4_iomap_begin+0x85c/0xc80
 iomap_iter+0x6d0/0x10c0
 __iomap_dio_rw+0x1685/0x2090
 iomap_dio_rw+0x42/0xa0
 ext4_file_write_iter+0x1692/0x1ae0
 do_iter_write+0x6b8/0xc20
 iter_file_splice_write+0x7d2/0xf80
 direct_splice_actor+0xe3/0x1c0
 splice_direct_to_actor+0x4c0/0xbd0
 do_splice_direct+0x27e/0x3d0
 do_sendfile+0x5c5/0xf50
 __se_sys_sendfile64+0x14f/0x1b0
 do_syscall_64+0x3d/0xb0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f463507adf9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f463613b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f463519c050 RCX: 00007f463507adf9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 00007f46350d7567 R08: 0000000000000000 R09: 0000000000000000
R10: 00008400fffffffa R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f463519c050 R15: 00007fff1c54c168
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_mb_use_inode_pa+0x64b/0x6b0
Code: 48 c7 c7 00 04 8b 8c 4c 89 e6 48 89 ea e8 ed f2 1c 02 e9 00 fd ff ff e8 43 3c 55 ff 0f 0b e8 3c 3c 55 ff 0f 0b e8 35 3c 55 ff <0f> 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 56 ff ff ff 48 8b
RSP: 0018:ffffc9000458e7f0 EFLAGS: 00010293
RAX: ffffffff822fca8b RBX: 00000000ffffffff RCX: ffff88807a4d3b00
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000002
RBP: 1ffff1100cc11481 R08: ffffffff822fc7ce R09: ffffed100cc1147f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000040
R13: dffffc0000000000 R14: 0000000000000003 R15: ffff88806608a408
FS:  00007f463613b6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006ba04000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
