------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2766!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 450 Comm: syz-executor.5 Not tainted 5.10.208-syzkaller-999748-g1a7db4583e18 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2765
Code: 90 8c ff 31 ff 89 de e8 4f 90 8c ff 45 84 f6 75 27 e8 b5 8d 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 a1 8d 8c ff <0f> 0b e8 9a 8d 8c ff e8 b1 66 22 ff eb 9b e8 8e 8d 8c ff e8 a5 66
RSP: 0018:ffffc900013d6ce0 EFLAGS: 00010293
RAX: ffffffff81de189f RBX: 0000008000000000 RCX: ffff888112408000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900013d70d0 R08: ffffffff81dde313 R09: ffffed1024739c98
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc900013d7240 R14: 0000008410000000 R15: ffffc900013d6fa0
FS:  00007ff149a8e6c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c75525d58 CR3: 0000000110ddc000 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
 file_write_and_wait_range+0x89/0x120 mm/filemap.c:766
 ext4_sync_file+0x1a2/0xa30 fs/ext4/fsync.c:151
 vfs_fsync_range+0x17b/0x190 fs/sync.c:202
 generic_write_sync include/linux/fs.h:2868 [inline]
 ext4_buffered_write_iter+0x565/0x610 fs/ext4/file.c:278
 ext4_file_write_iter+0x193/0x1c80 fs/ext4/file.c:685
 do_iter_readv_writev+0x58e/0x790
 do_iter_write+0x183/0x650 fs/read_write.c:866
 vfs_iter_write+0x7c/0xa0 fs/read_write.c:907
 iter_file_splice_write+0x7f1/0xf80 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xff/0x130 fs/splice.c:933
 splice_direct_to_actor+0x4d1/0xba0 fs/splice.c:888
 do_splice_direct+0x27f/0x3c0 fs/splice.c:976
 do_sendfile+0x8f4/0x10e0 fs/read_write.c:1257
 __do_sys_sendfile64 fs/read_write.c:1318 [inline]
 __se_sys_sendfile64 fs/read_write.c:1304 [inline]
 __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1304
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7ff149f0b859
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:00007ff149a8e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007ff14a02af80 RCX: 00007ff149f0b859
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007ff149f67ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000080000041 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff14a02af80 R15: 00007ffc9c963c48
Modules linked in:
---[ end trace 29af843b4adf37cb ]---
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2765
Code: 90 8c ff 31 ff 89 de e8 4f 90 8c ff 45 84 f6 75 27 e8 b5 8d 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 a1 8d 8c ff <0f> 0b e8 9a 8d 8c ff e8 b1 66 22 ff eb 9b e8 8e 8d 8c ff e8 a5 66
RSP: 0018:ffffc900013d6ce0 EFLAGS: 00010293

RAX: ffffffff81de189f RBX: 0000008000000000 RCX: ffff888112408000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900013d70d0 R08: ffffffff81dde313 R09: ffffed1024739c98
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc900013d7240 R14: 0000008410000000 R15: ffffc900013d6fa0
FS:  00007ff149a8e6c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555571b0818 CR3: 0000000110ddc000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400