------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2564!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 6726 Comm: syz-executor.4 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ext4_do_writepages+0x3d38/0x3d40 fs/ext4/inode.c:2563
Code: 4e 8e 4c 89 f2 e8 58 98 8a 02 e9 ab fb ff ff e8 ce 11 40 ff 90 0f 0b e8 c6 11 40 ff 90 0f 0b e8 ce 86 21 09 e8 b9 11 40 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000438ef60 EFLAGS: 00010293
RAX: ffffffff8255f5d7 RBX: 0000004000000000 RCX: ffff888021038000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc9000438f370 R08: ffffffff8255bdb3 R09: 1ffff1100bde464a
R10: dffffc0000000000 R11: ffffed100bde464b R12: 0000000000000001
R13: 000000000040054c R14: 0000004a10000000 R15: ffff88805ef234b0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005639f2fe9950 CR3: 000000001e838000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x213/0x3c0 fs/ext4/inode.c:2768
 do_writepages+0x359/0x870 mm/page-writeback.c:2612
 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:397
 __filemap_fdatawrite_range mm/filemap.c:430 [inline]
 __filemap_fdatawrite mm/filemap.c:436 [inline]
 filemap_flush+0xdf/0x130 mm/filemap.c:463
 ext4_release_file+0x81/0x300 fs/ext4/file.c:169
 __fput+0x429/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa1b/0x27e0 kernel/exit.c:878
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 get_signal+0x16a1/0x1740 kernel/signal.c:2911
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2244c7dca9
Code: Unable to access opcode bytes at 0x7f2244c7dc7f.
RSP: 002b:00007f22459a20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffe4 RBX: 00007f2244dabf80 RCX: 00007f2244c7dca9
RDX: 0000000000042400 RSI: 0000000020000200 RDI: 0000000000000006
RBP: 00007f2244cc947e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2244dabf80 R15: 00007ffc5c80dea8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x3d38/0x3d40 fs/ext4/inode.c:2563
Code: 4e 8e 4c 89 f2 e8 58 98 8a 02 e9 ab fb ff ff e8 ce 11 40 ff 90 0f 0b e8 c6 11 40 ff 90 0f 0b e8 ce 86 21 09 e8 b9 11 40 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000438ef60 EFLAGS: 00010293
RAX: ffffffff8255f5d7 RBX: 0000004000000000 RCX: ffff888021038000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc9000438f370 R08: ffffffff8255bdb3 R09: 1ffff1100bde464a
R10: dffffc0000000000 R11: ffffed100bde464b R12: 0000000000000001
R13: 000000000040054c R14: 0000004a10000000 R15: ffff88805ef234b0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe159cec5e8 CR3: 000000007c5da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400