------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2735!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19307 Comm: syz-executor.1 Not tainted 5.15.130-syzkaller-00623-g1317bd27a72f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:ext4_writepages+0x3fe6/0x4000 fs/ext4/inode.c:2734
Code: 89 de e8 9d 0a 88 ff 45 84 f6 75 2c e8 03 08 88 ff 49 be 00 00 00 00 00 fc ff df 4c 8b 64 24 50 e9 e4 c5 ff ff e8 ea 07 88 ff <0f> 0b e8 e3 07 88 ff e8 2a 94 18 ff eb 9b e8 d7 07 88 ff e8 1e 94
RSP: 0018:ffffc90000b07620 EFLAGS: 00010293

RAX: ffffffff81e7ed46 RBX: 0000008000000000 RCX: ffff888163c4a780
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b07a30 R08: ffffffff81e7e4b6 R09: ffffed102b7532f7
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000b07c60
R13: 0000000000000000 R14: 000000d410000000 R15: 0000000000000001
FS:  00005555570d4480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31d7a37178 CR3: 0000000118208000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x40e/0x670 mm/page-writeback.c:2366
 filemap_fdatawrite_wbc+0x248/0x2a0 mm/filemap.c:400
 __filemap_fdatawrite_range mm/filemap.c:433 [inline]
 __filemap_fdatawrite mm/filemap.c:439 [inline]
 filemap_flush+0x10c/0x150 mm/filemap.c:466
 ext4_alloc_da_blocks+0x77/0x1a0 fs/ext4/inode.c:3152
 ext4_release_file+0x84/0x310 fs/ext4/file.c:143
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f101ecca9da
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffca50e1c70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f101ecca9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f101edec980 R08: 0000001b2d360000 R09: 00007ffca51d50b0
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000006137e
R13: ffffffffffffffff R14: 00007f101e84f000 R15: 000000000006103d
 </TASK>
Modules linked in:
---[ end trace 6eae7257906d116b ]---
RIP: 0010:ext4_writepages+0x3fe6/0x4000 fs/ext4/inode.c:2734
Code: 89 de e8 9d 0a 88 ff 45 84 f6 75 2c e8 03 08 88 ff 49 be 00 00 00 00 00 fc ff df 4c 8b 64 24 50 e9 e4 c5 ff ff e8 ea 07 88 ff <0f> 0b e8 e3 07 88 ff e8 2a 94 18 ff eb 9b e8 d7 07 88 ff e8 1e 94
RSP: 0018:ffffc90000b07620 EFLAGS: 00010293
RAX: ffffffff81e7ed46 RBX: 0000008000000000 RCX: ffff888163c4a780
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b07a30 R08: ffffffff81e7e4b6 R09: ffffed102b7532f7
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000b07c60
R13: 0000000000000000 R14: 000000d410000000 R15: 0000000000000001
FS:  00005555570d4480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020109000 CR3: 0000000118208000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400