syzbot

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kernel BUG at fs/ext4/inline.c:236!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 289 Comm: syz-executor624 Not tainted 6.1.134-syzkaller-00016-ga0fa2316cce1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:ext4_write_inline_data+0x3ab/0x3b0 fs/ext4/inline.c:236
Code: 07 fe c1 38 c1 0f 8c 2c ff ff ff 48 89 df 49 89 d7 e8 c9 aa cd ff 4c 89 fa e9 19 ff ff ff e8 cc 58 89 ff 0f 0b e8 c5 58 89 ff <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 b8 a4 70 30 e0 55
RSP: 0018:ffffc90000da7740 EFLAGS: 00010293
RAX: ffffffff81e68e0b RBX: 0000010000000006 RCX: ffff88810c002880
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000010000000006
RBP: ffffc90000da7790 R08: dffffc0000000000 R09: ffffed102014e44b
R10: ffffed102014e44b R11: 1ffff1102014e44a R12: ffff88810f9d0168
R13: ffffc90000da7820 R14: 0000010000000005 R15: 000000000000003c
FS:  00005555724e6380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f3d440d4c0 CR3: 0000000125f24000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x343/0xa90 fs/ext4/inline.c:777
 ext4_da_write_end+0x1ce/0x8c0 fs/ext4/inode.c:3092
 generic_perform_write+0x3a2/0x6d0 mm/filemap.c:3892
 ext4_buffered_write_iter+0x36f/0x660 fs/ext4/file.c:285
 ext4_file_write_iter+0x18f/0x13d0 fs/ext4/file.c:-1
 call_write_iter include/linux/fs.h:2274 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5db/0xca0 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __x64_sys_pwrite64+0x191/0x220 fs/read_write.c:706
 x64_sys_call+0x36/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:19
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa9a073f6f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdcda13e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007ffdcda14008 RCX: 00007fa9a073f6f9
RDX: 0000000000000001 RSI: 0000200000000300 RDI: 0000000000000004
RBP: 00007fa9a07b3610 R08: 0000000000000000 R09: 00007ffdcda14008
R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdcda13ff8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data+0x3ab/0x3b0 fs/ext4/inline.c:236
Code: 07 fe c1 38 c1 0f 8c 2c ff ff ff 48 89 df 49 89 d7 e8 c9 aa cd ff 4c 89 fa e9 19 ff ff ff e8 cc 58 89 ff 0f 0b e8 c5 58 89 ff <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 b8 a4 70 30 e0 55
RSP: 0018:ffffc90000da7740 EFLAGS: 00010293
RAX: ffffffff81e68e0b RBX: 0000010000000006 RCX: ffff88810c002880
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000010000000006
RBP: ffffc90000da7790 R08: dffffc0000000000 R09: ffffed102014e44b
R10: ffffed102014e44b R11: 1ffff1102014e44a R12: ffff88810f9d0168
R13: ffffc90000da7820 R14: 0000010000000005 R15: 000000000000003c
FS:  00005555724e6380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f3d440d4c0 CR3: 0000000125f24000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400