------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:240! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 6277 Comm: syz.5.64 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:ext4_write_inline_data+0x40b/0x4f0 fs/ext4/inline.c:240 Code: fe e8 e9 e7 36 ff 42 8d 44 23 c4 bb 3c 00 00 00 89 44 24 08 44 29 e3 e9 aa fe ff ff e8 ce e7 36 ff 90 0f 0b e8 c6 e7 36 ff 90 <0f> 0b e8 be e7 36 ff 48 8d 3d f7 52 56 0e 48 c7 c2 e0 95 ed 8b 4c RSP: 0018:ffffc90003d7f8e0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000078 RCX: ffffffff82d2c53b RDX: ffff8880280cdd00 RSI: ffffffff82d2c75a RDI: ffff8880280cdd00 RBP: ffff88807127e000 R08: 0000000000000006 R09: 0000000000000080 R10: 000000000000003c R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000080 R14: ffffc90003d7f980 R15: ffff88807127e58a FS: 00007f45fb4396c0(0000) GS:ffff888123eed000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff59e5b7000 CR3: 000000007855a000 CR4: 0000000000350ef0 Call Trace: ext4_write_inline_data_end+0x2a8/0xdb0 fs/ext4/inline.c:825 ext4_da_write_end+0x51e/0xe70 fs/ext4/inode.c:3305 generic_perform_write+0x513/0xa40 mm/filemap.c:4379 ext4_buffered_write_iter+0xdc/0x3b0 fs/ext4/file.c:316 ext4_file_write_iter+0xa2f/0x1cb0 fs/ext4/file.c:735 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6ac/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45fa59de59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f45fb439028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f45fa825fa0 RCX: 00007f45fa59de59 RDX: 0000000000000078 RSI: 00002000000000c0 RDI: 0000000000000004 RBP: 00007f45fa633e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f45fa826038 R14: 00007f45fa825fa0 R15: 00007fff8e2c70e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x40b/0x4f0 fs/ext4/inline.c:240 Code: fe e8 e9 e7 36 ff 42 8d 44 23 c4 bb 3c 00 00 00 89 44 24 08 44 29 e3 e9 aa fe ff ff e8 ce e7 36 ff 90 0f 0b e8 c6 e7 36 ff 90 <0f> 0b e8 be e7 36 ff 48 8d 3d f7 52 56 0e 48 c7 c2 e0 95 ed 8b 4c RSP: 0018:ffffc90003d7f8e0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000078 RCX: ffffffff82d2c53b RDX: ffff8880280cdd00 RSI: ffffffff82d2c75a RDI: ffff8880280cdd00 RBP: ffff88807127e000 R08: 0000000000000006 R09: 0000000000000080 R10: 000000000000003c R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000080 R14: ffffc90003d7f980 R15: ffff88807127e58a FS: 00007f45fb4396c0(0000) GS:ffff888123ded000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff59e5b6000 CR3: 000000007855a000 CR4: 0000000000350ef0