loop0: detected capacity change from 0 to 2048
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:236!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 354 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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 29 85 cd ff 4c 89 fa e9 19 ff ff ff e8 8c 17 89 ff 0f 0b e8 85 17 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:ffffc900014b7720 EFLAGS: 00010293
RAX: ffffffff81e7067b RBX: 0000000000000080 RCX: ffff888112c2e540
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000080
RBP: ffffc900014b7770 R08: dffffc0000000000 R09: ffffed102256b84b
R10: ffffed102256b84b R11: 1ffff1102256b84a R12: ffff8881238e8720
R13: ffffc900014b7800 R14: 0000000000000008 R15: 000000000000003c
FS:  00007f3f232996c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000c0 CR3: 000000012321d000 CR4: 00000000003506b0
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:785
 ext4_da_write_end+0x1ce/0x8c0 fs/ext4/inode.c:3093
 generic_perform_write+0x3a2/0x6d0 mm/filemap.c:3893
 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:2282 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5db/0xca0 fs/read_write.c:584
 ksys_write+0x140/0x240 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 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: 0033:0x7f3f2247dea9
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:00007f3f232990c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f3f225abf80 RCX: 00007f3f2247dea9
RDX: 0000000000000078 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007f3f224ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3f225abf80 R15: 00007ffef2bd5608
 </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 29 85 cd ff 4c 89 fa e9 19 ff ff ff e8 8c 17 89 ff 0f 0b e8 85 17 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:ffffc900014b7720 EFLAGS: 00010293
RAX: ffffffff81e7067b RBX: 0000000000000080 RCX: ffff888112c2e540
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000080
RBP: ffffc900014b7770 R08: dffffc0000000000 R09: ffffed102256b84b
R10: ffffed102256b84b R11: 1ffff1102256b84a R12: ffff8881238e8720
R13: ffffc900014b7800 R14: 0000000000000008 R15: 000000000000003c
FS:  00007f3f232996c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000c0 CR3: 000000012321d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400