syzbot

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kernel BUG at fs/ext4/inline.c:236!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 29540 Comm: syz-executor390 Tainted: G        W          6.1.68-syzkaller-00050-g09ca5740fbbe #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:ext4_write_inline_data+0x3a4/0x3b0 fs/ext4/inline.c:236
Code: 07 fe c1 38 c1 0f 8c 42 ff ff ff 4c 89 e7 49 89 d6 e8 f0 ef ca ff 4c 89 f2 e9 2f ff ff ff e8 13 23 84 ff 0f 0b e8 0c 23 84 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55
RSP: 0018:ffffc90006557128 EFLAGS: 00010293
RAX: ffffffff81f14e04 RBX: 000000000000003c RCX: ffff888111532880
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000003000
RBP: ffffc90006557190 R08: ffffffff81f14b8d R09: ffffed102376c04b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000002000
R13: ffffc90006557220 R14: 0000000000003000 R15: 0000000000001000
FS:  00007fa8133e36c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020f65000 CR3: 000000012184f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x328/0xa90 fs/ext4/inline.c:777
 ext4_da_write_end+0x1ea/0x9a0 fs/ext4/inode.c:3081
 generic_perform_write+0x3e6/0x5c0 mm/filemap.c:3840
 ext4_buffered_write_iter+0x360/0x640 fs/ext4/file.c:285
 ext4_file_write_iter+0x194/0x1570
 do_iter_write+0x6e6/0xc50 fs/read_write.c:861
 vfs_iter_write+0x7c/0xa0 fs/read_write.c:902
 iter_file_splice_write+0x7f8/0xf90 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xff/0x130 fs/splice.c:931
 splice_direct_to_actor+0x4b4/0xbb0 fs/splice.c:886
 do_splice_direct+0x27f/0x3c0 fs/splice.c:974
 do_sendfile+0x616/0xfe0 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64 fs/read_write.c:1309 [inline]
 __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1309
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa813469639
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 18 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:00007fa8133e3218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fa8134f2728 RCX: 00007fa813469639
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007
RBP: 00007fa8134f2720 R08: 00007fff26970587 R09: 0000000000000000
R10: 080000000000001f R11: 0000000000000246 R12: 00007fa8134beaa8
R13: 00007fa8134be320 R14: 00000000200011c0 R15: 0030656c69662f2e
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data+0x3a4/0x3b0 fs/ext4/inline.c:236
Code: 07 fe c1 38 c1 0f 8c 42 ff ff ff 4c 89 e7 49 89 d6 e8 f0 ef ca ff 4c 89 f2 e9 2f ff ff ff e8 13 23 84 ff 0f 0b e8 0c 23 84 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55
RSP: 0018:ffffc90006557128 EFLAGS: 00010293
RAX: ffffffff81f14e04 RBX: 000000000000003c RCX: ffff888111532880
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000003000
RBP: ffffc90006557190 R08: ffffffff81f14b8d R09: ffffed102376c04b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000002000
R13: ffffc90006557220 R14: 0000000000003000 R15: 0000000000001000
FS:  00007fa8133e36c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020f65000 CR3: 000000012184f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400