RBP: 00007f19054901d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff782b80ff R14: 00007f1905490300 R15: 0000000000022000
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/ext4/extents.c:5683!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 14159 Comm: syz-executor.3 Not tainted 6.18.0-rc7-next-20251127 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:ext4_swap_extents+0x9ce/0x1550
Code: 00 00 00 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 15 0a 00 00 48 8b 84 24 c8 00 00 00 89 18 e9 ff fc ff ff e8 53 6c 8c ff 90 <0f> 0b e8 4b 6c 8c ff 90 0f 0b e8 43 6c 8c ff 48 8b 44 24 58 48 c1
RSP: 0018:ffff88801665f8f8 EFLAGS: 00010216
RAX: 0000000000026123 RBX: 0000000000000000 RCX: ffffc90007e54000
RDX: 0000000000040000 RSI: ffffffff81e900bd RDI: 0000000000000007
RBP: ffff88801dfc8b88 R08: 0000000000000000 R09: ffffed1003bf9171
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 00000000fffffff4 R14: ffffea000133ccc0 R15: 0000000000000001
FS:  00007f1905490700(0000) GS:ffff8880e537a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f190548ff78 CR3: 000000001cf9a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ext4_move_extents+0x3197/0x3790
 __ext4_ioctl+0x118f/0x38e0
 __x64_sys_ioctl+0x18f/0x210
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1907f1ab19
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1905490188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f190802df60 RCX: 00007f1907f1ab19
RDX: 00000000200000c0 RSI: 00000000c028660f RDI: 0000000000000003
RBP: 00007f19054901d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff782b80ff R14: 00007f1905490300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_swap_extents+0x9ce/0x1550
Code: 00 00 00 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 15 0a 00 00 48 8b 84 24 c8 00 00 00 89 18 e9 ff fc ff ff e8 53 6c 8c ff 90 <0f> 0b e8 4b 6c 8c ff 90 0f 0b e8 43 6c 8c ff 48 8b 44 24 58 48 c1
RSP: 0018:ffff88801665f8f8 EFLAGS: 00010216
RAX: 0000000000026123 RBX: 0000000000000000 RCX: ffffc90007e54000
RDX: 0000000000040000 RSI: ffffffff81e900bd RDI: 0000000000000007
RBP: ffff88801dfc8b88 R08: 0000000000000000 R09: ffffed1003bf9171
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 00000000fffffff4 R14: ffffea000133ccc0 R15: 0000000000000001
FS:  00007f1905490700(0000) GS:ffff8880e537a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f190548ff78 CR3: 000000001cf9a000 CR4: 0000000000350ef0