------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2776!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 6945 Comm: syz-executor.5 Not tainted 5.10.184-syzkaller-01138-g28cc6246b5e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2775
Code: fa 8c ff 31 ff 89 de e8 0f fa 8c ff 45 84 f6 75 27 e8 75 f7 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 61 f7 8c ff <0f> 0b e8 5a f7 8c ff e8 71 f4 22 ff eb 9b e8 4e f7 8c ff e8 65 f4
RSP: 0018:ffffc90000f775a0 EFLAGS: 00010293
RAX: ffffffff81dd8a5f RBX: 0000008000000000 RCX: ffff888119563b40
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000f77990 R08: ffffffff81dd54d3 R09: ffffed102d3bcbdb
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000f77b00 R14: 000000d410000000 R15: ffffc90000f77860
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff1ba945dc0 CR3: 000000010ca7b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12e/0x270 mm/page-writeback.c:2358
 __filemap_fdatawrite_range+0x33c/0x3f0 mm/filemap.c:427
 __filemap_fdatawrite mm/filemap.c:435 [inline]
 filemap_flush+0x23/0x30 mm/filemap.c:462
 ext4_alloc_da_blocks+0x77/0x1a0 fs/ext4/inode.c:3248
 ext4_release_file+0x84/0x310 fs/ext4/file.c:144
 __fput+0x309/0x760 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:861
 do_group_exit+0x141/0x310 kernel/exit.c:983
 __do_sys_exit_group kernel/exit.c:994 [inline]
 __se_sys_exit_group kernel/exit.c:992 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:992
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7ff1c3f99389
Code: Unable to access opcode bytes at RIP 0x7ff1c3f9935f.
RSP: 002b:00007ff1ba945bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff1c3f99389
RDX: 00007ff1c3fefc5b RSI: 0000000000000000 RDI: 000000000000000b
RBP: 000000000000000b R08: 00007ffd165d80b0 R09: 0000000000000004
R10: 00007ffd165d8080 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd165d645f R14: 00007ff1ba946300 R15: 0000000000022000
Modules linked in:
---[ end trace dbc0c9574e3380bb ]---
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2775
Code: fa 8c ff 31 ff 89 de e8 0f fa 8c ff 45 84 f6 75 27 e8 75 f7 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 61 f7 8c ff <0f> 0b e8 5a f7 8c ff e8 71 f4 22 ff eb 9b e8 4e f7 8c ff e8 65 f4
RSP: 0018:ffffc90000f775a0 EFLAGS: 00010293
RAX: ffffffff81dd8a5f RBX: 0000008000000000 RCX: ffff888119563b40
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000f77990 R08: ffffffff81dd54d3 R09: ffffed102d3bcbdb
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000f77b00 R14: 000000d410000000 R15: ffffc90000f77860
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200c1038 CR3: 000000010ca7b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400