loop2: detected capacity change from 0 to 2048 fuse: Bad value for 'user_id' ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:235! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 20850 Comm: syz-executor.2 Not tainted 6.5.0-rc1-syzkaller-00196-gbde7f150276b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:235 [inline] RIP: 0010:ext4_write_inline_data_end+0xe96/0x1020 fs/ext4/inline.c:774 Code: 00 00 31 ff e8 bb 93 50 ff 48 89 d8 48 25 ff 0f 00 00 74 73 e8 6b 8f 50 ff e9 71 01 00 00 e8 61 8f 50 ff 0f 0b e8 5a 8f 50 ff <0f> 0b 48 8b 5c 24 18 48 89 df be 08 00 00 00 e8 06 4e a9 ff 48 c1 RSP: 0018:ffffc900167ef820 EFLAGS: 00010293 RAX: ffffffff823b7446 RBX: 000000000000003c RCX: ffff88803b37d940 RDX: 0000000000000000 RSI: 000000000000003c RDI: 00000000000000a0 RBP: ffffc900167ef948 R08: ffffffff823b69a9 R09: 1ffff110070f1470 R10: dffffc0000000000 R11: ffffed10070f1471 R12: ffff888088baba6a R13: 0000000000000050 R14: 00000000000000a0 R15: 0000000000000050 FS: 00007f1d93a416c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 000000005dd99000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_perform_write+0x419/0x630 mm/filemap.c:3934 ext4_buffered_write_iter+0xc6/0x350 fs/ext4/file.c:299 ext4_file_write_iter+0x1df/0x1b10 call_write_iter include/linux/fs.h:1871 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x782/0xaf0 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1d92c7cb29 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:00007f1d93a410c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f1d92d9bf80 RCX: 00007f1d92c7cb29 RDX: 0000000000000050 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00007f1d92cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f1d92d9bf80 R15: 00007fff221bb318 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:235 [inline] RIP: 0010:ext4_write_inline_data_end+0xe96/0x1020 fs/ext4/inline.c:774 Code: 00 00 31 ff e8 bb 93 50 ff 48 89 d8 48 25 ff 0f 00 00 74 73 e8 6b 8f 50 ff e9 71 01 00 00 e8 61 8f 50 ff 0f 0b e8 5a 8f 50 ff <0f> 0b 48 8b 5c 24 18 48 89 df be 08 00 00 00 e8 06 4e a9 ff 48 c1 RSP: 0018:ffffc900167ef820 EFLAGS: 00010293 RAX: ffffffff823b7446 RBX: 000000000000003c RCX: ffff88803b37d940 RDX: 0000000000000000 RSI: 000000000000003c RDI: 00000000000000a0 RBP: ffffc900167ef948 R08: ffffffff823b69a9 R09: 1ffff110070f1470 R10: dffffc0000000000 R11: ffffed10070f1471 R12: ffff888088baba6a R13: 0000000000000050 R14: 00000000000000a0 R15: 0000000000000050 FS: 00007f1d93a416c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8836d71e5 CR3: 000000005dd99000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400