syzbot

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kernel BUG at fs/ext4/inline.c:236!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3560 Comm: syz-executor393 Not tainted 6.1.62-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:236 [inline]
RIP: 0010:ext4_write_inline_data_end+0xe46/0x10c0 fs/ext4/inline.c:777
Code: 00 00 31 ff e8 8b f2 52 ff 48 89 d8 48 25 ff 0f 00 00 74 78 e8 9b ee 52 ff e9 db 01 00 00 e8 91 ee 52 ff 0f 0b e8 8a ee 52 ff <0f> 0b 48 8b 1c 24 48 89 de 48 81 e6 ff 0f 00 00 31 ff e8 53 f2 52
RSP: 0018:ffffc90003cff240 EFLAGS: 00010293
RAX: ffffffff82379fe6 RBX: 000000000000003c RCX: ffff888028805940
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000054000
RBP: ffffc90003cff368 R08: ffffffff82379593 R09: ffffed100fccec71
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888073a04690 R14: 0000000000054000 R15: ffff888073a048e8
FS:  00007fa730d246c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c8e63c3fb8 CR3: 000000007298c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 generic_perform_write+0x3e9/0x5e0 mm/filemap.c:3765
 ext4_buffered_write_iter+0x122/0x3a0 fs/ext4/file.c:285
 ext4_file_write_iter+0x1d2/0x18f0
 do_iter_write+0x6e6/0xc50 fs/read_write.c:861
 iter_file_splice_write+0x806/0xfa0 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xe3/0x1c0 fs/splice.c:931
 splice_direct_to_actor+0x4c0/0xbd0 fs/splice.c:886
 do_splice_direct+0x27f/0x3c0 fs/splice.c:974
 do_sendfile+0x61c/0xff0 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1309
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa730d67579
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 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:00007fa730d24218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fa730dee608 RCX: 00007fa730d67579
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007fa730dee600 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 00007fa730dbb840
R13: 00007fa730dbb0c0 R14: 0000000020000f40 R15: 0030656c69662f2e
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:236 [inline]
RIP: 0010:ext4_write_inline_data_end+0xe46/0x10c0 fs/ext4/inline.c:777
Code: 00 00 31 ff e8 8b f2 52 ff 48 89 d8 48 25 ff 0f 00 00 74 78 e8 9b ee 52 ff e9 db 01 00 00 e8 91 ee 52 ff 0f 0b e8 8a ee 52 ff <0f> 0b 48 8b 1c 24 48 89 de 48 81 e6 ff 0f 00 00 31 ff e8 53 f2 52
RSP: 0018:ffffc90003cff240 EFLAGS: 00010293
RAX: ffffffff82379fe6 RBX: 000000000000003c RCX: ffff888028805940
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000054000
RBP: ffffc90003cff368 R08: ffffffff82379593 R09: ffffed100fccec71
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888073a04690 R14: 0000000000054000 R15: ffff888073a048e8
FS:  00007fa730d246c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c8e63c3fb8 CR3: 000000007298c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400