------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:302! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 614 Comm: syz.6.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:ext4_create_inline_data+0x3f6/0x400 fs/ext4/inline.c:302 Code: ff ff e8 2d 15 ce ff e9 16 ff ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 32 ff ff ff e8 14 15 ce ff e9 28 ff ff ff e8 3a 4f 8b ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 48 89 fb RSP: 0018:ffffc90000ed7420 EFLAGS: 00010293 RAX: ffffffff81e2fd56 RBX: 0000000000000000 RCX: ffff8881116ea180 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000ed7550 R08: ffff8881116ea180 R09: 0000000000000002 R10: 00000000ffffffc3 R11: 0000000000000000 R12: 1ffff920001dae88 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888133298b68 FS: 00007f7c422d66c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9239457f98 CR3: 0000000120a82000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_prepare_inline_data+0x16c/0x1f0 fs/ext4/inline.c:413 ext4_try_to_write_inline_data+0x31c/0x1290 fs/ext4/inline.c:691 ext4_write_begin+0x1ea/0xf70 fs/ext4/inode.c:1204 generic_perform_write+0x2ea/0x560 mm/filemap.c:3846 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:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x580/0xc00 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: 0033:0x7f7c4138ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7c422d6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f7c415c5fa0 RCX: 00007f7c4138ebe9 RDX: 0000000000000012 RSI: 0000200000000100 RDI: 0000000000000004 RBP: 00007f7c41411e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7c415c6038 R14: 00007f7c415c5fa0 R15: 00007ffeacfba9b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_create_inline_data+0x3f6/0x400 fs/ext4/inline.c:302 Code: ff ff e8 2d 15 ce ff e9 16 ff ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 32 ff ff ff e8 14 15 ce ff e9 28 ff ff ff e8 3a 4f 8b ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 48 89 fb RSP: 0018:ffffc90000ed7420 EFLAGS: 00010293 RAX: ffffffff81e2fd56 RBX: 0000000000000000 RCX: ffff8881116ea180 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000ed7550 R08: ffff8881116ea180 R09: 0000000000000002 R10: 00000000ffffffc3 R11: 0000000000000000 R12: 1ffff920001dae88 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888133298b68 FS: 00007f7c422d66c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1de6485000 CR3: 0000000120a82000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400