------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2735!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3829 Comm: syz-executor.1 Not tainted 5.15.147-syzkaller-00327-g1c3a1f32bcbd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:ext4_writepages+0x3fe6/0x4000 fs/ext4/inode.c:2734
Code: 89 de e8 0d ea 87 ff 45 84 f6 75 2c e8 73 e7 87 ff 49 be 00 00 00 00 00 fc ff df 4c 8b 64 24 50 e9 e4 c5 ff ff e8 5a e7 87 ff <0f> 0b e8 53 e7 87 ff e8 9a 59 18 ff eb 9b e8 47 e7 87 ff e8 8e 59
RSP: 0018:ffffc90004b87620 EFLAGS: 00010293
RAX: ffffffff81e827d6 RBX: 0000008000000000 RCX: ffff88811e0262c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90004b87a30 R08: ffffffff81e81f46 R09: ffffed1021fc6d31
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90004b87c60
R13: 0000000000000000 R14: 000000d410000000 R15: 0000000000000001
FS:  00007f9b2fa2d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557093818 CR3: 000000011e828000 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: 0033:0x7f9b2feccda9
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:00007f9b2fa2d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000021
RAX: 0000000000000004 RBX: 00007f9b2fffb050 RCX: 00007f9b2feccda9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000006
RBP: 00007f9b2ff1947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9b2fffb050 R15: 00007ffc0c929248
 </TASK>
Modules linked in:
---[ end trace d52ab4c8ee06e38d ]---
RIP: 0010:ext4_writepages+0x3fe6/0x4000 fs/ext4/inode.c:2734
Code: 89 de e8 0d ea 87 ff 45 84 f6 75 2c e8 73 e7 87 ff 49 be 00 00 00 00 00 fc ff df 4c 8b 64 24 50 e9 e4 c5 ff ff e8 5a e7 87 ff <0f> 0b e8 53 e7 87 ff e8 9a 59 18 ff eb 9b e8 47 e7 87 ff e8 8e 59
RSP: 0018:ffffc90004b87620 EFLAGS: 00010293
RAX: ffffffff81e827d6 RBX: 0000008000000000 RCX: ffff88811e0262c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90004b87a30 R08: ffffffff81e81f46 R09: ffffed1021fc6d31
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90004b87c60
R13: 0000000000000000 R14: 000000d410000000 R15: 0000000000000001
FS:  00007f9b2fa2d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd9b282d58 CR3: 000000011e828000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400